1999 GMC Sierra 1500 SL 2 door Truck (Regular Cab)

Learn about the GMC Sierra 1500 full-size pickup truck. See the engine specifications, gas mileage, price, and MSRP. Research GMC SL warranty features and GM Financial lending options.

Looking for a GMC Sierra 1500?

Find your perfect ride. Choose from thousands of vehicles. Your Sierra 1500 SL may be waiting for you.

Home » Vehicles » 1999 GMC Sierra 1500 SL 2 Door Regular Cab 4WD SB 4.3L 6-Cylinder naturally aspired 5M

The products and offers that appear on the website are from respective partners, companies, and third-party advertisers from which we receive compensation. This compensation may impact how and where products appear on this site including the order in which they appear. This site does not include all financial products or companies or all available product offers. Learn more about our partners and how we make money

About the 1999 GMC Sierra 1500 truck (regular cab)

The 1999 GMC Sierra 1500 is manufactured under the GMC car brand. It is categorized as a full-size pickup truck and features a truck (regular cab) body. This 2 door truck (regular cab) has four wheel drive with a 5-speed manual transmission. The GMC Sierra 1500 is primarily domestic from United States. The GMC automobile line is a subsidiary auto manufacturer held by General Motors (General Motors Company).

Thinking about changing vehicles?

Looking for a new car? Check out GMC Sierra 1500 truck (regular cab) listings. Browse extensive inventories to find the vehicle that is right for you!

1999 GMC Sierra 1500 SL 2 Door Regular Cab 4WD SB 4.3L 6-Cylinder naturally aspired 5M 1

Introduction to the 1999 GMC Sierra 1500 SL

The GMC Sierra 1500 comes in several trim levels and packages including the 1999 GMC Sierra 1500 SL 2 Door Regular Cab 4WD SB (4.3L 6-Cylinder naturally aspired 5M). This variation of the Sierra 1500 truck (regular cab) sports the SL 2 door Regular Cab 4WD SB with a 4.3L 6-cylinder naturally aspired 5M on the GMC Sierra 1500 chassis. The Sierra 1500 SL trim can feature automobile upgrade packages based on the origin of the vehicle and the generation.

GMC Sierra 1500 SL Prices and MSRP

Are you excited to buy a 1999 GMC Sierra 1500 SL? The recommended MSRP is quoted at $ and related Kelly Blue Book rates are often found at lower price points. Used vehicle quotes depend on the year, make, style, and qualities. GMC Sierra 1500 prices can increase outside of these estimates due to variables like increased demand, reduced availability, and market scarcity. During 2021, auto estimates and comparable motor vehicle equity rose due to global chip scarcity and supply chain inhibitions. This situation brought about pressure on the marketplace and older used values surpassing the price highs historically solely seen by new vehicle models.


Trim & Style: SL 2 door Regular Cab 4WD SB with a 4.3L 6-cylinder naturally aspired 5M

Made In: United States

Sierra 1500 SL Performance and Engine

The performance specifications and efficiency of your vehicle’s engine matter a lot. As an example, if you are pulling a load or flatbed trailer with a truck. The performance specs and abilities of your engine pulling package matters a lot. If you are taking your sports car out for a track day, your horsepower and engine can lead to more bragging rights. On the other hand, if you are looking for a smaller economical car to drive as a daily driver, you may not even care what is under the hood so long as it is trustworthy and the engine runs well.

GMC Automobile Details

The 1999 GMC Sierra 1500 may come along with several different performance offerings and engine choices. This exact GMC automobile is set up with the 4.3 gas engine with a four wheel drive drivetrain.

Engine:Horsepower: 200
Doors: 2 doorTransmission: 5-speed manual
Drive Type: four wheel driveFuel: regular unleaded
MSRP: $Manufactured: United States
Data comes from dealer network APIs but is not endorsed or certified by any dealer.
1999 GMC Sierra 1500 SL 2 Door Regular Cab 4WD SB 4.3L 6-Cylinder naturally aspired 5M 2

Fuel Economy and Miles Per Gallon (MPG)

Being aware of your gas mileage and fuel economy are very important elements when it relates to shopping for a GMC Sierra 1500. The actual expense of the vehicle includes much more than the sticker price and includes the fuel cost. This is generally the next most expensive element when it comes to vehicle ownership. The 3rd most expensive factor is heeding the recommended manufacturer’s maintenance schedule and handling preventive maintenance.

The U.S. Environmental Protection Agency or EPA gives assessments around a vehicle’s gas mileage (MPG) and the number of miles a car or truck can effectively drive per a gallon of fuel consumed on city streets and on the highway. MPG is dependent on GMC Sierra 1500 engine type, efficiency, operation altitude, and other things like aftermarket adjustments, but it provides a good baseline for fuel consumption.

For the 1999 GMC Sierra 1500, the EPA quotes drivers will get about 13/16 MPG while operating the vehicle on city streets and while operating the vehicle on the highway. These valuations are different since city driving includes driving on community roadways, stopping at traffic control devices, pausing at stop signs, waiting at crosswalks for pedestrians, and other things which call for the GMC Sierra 1500 to stop and start more often. On the highway, the GMC Sierra 1500’s engine and fuel efficiency can be pushed to the limit achieving a higher MPG ranking.

Compare Your Car’s Miles Per Gallon

See how your present car or truck measures up to the fuel performance of the 1999 GMC Sierra 1500. This can be a significant consideration in the vehicle purchasing process. Use the gas mileage comparison calculator shown below to see how many more miles you could drive and costs related to fuel. Can you save gas money by driving this GMC Sierra 1500 or will it cost you more?

MPG: 13/16 MPG (city/Highway)

Compare Other vehicle MPGs

Why Finance Your Sierra 1500 SL

Finding financing for your 1999 GMC Sierra 1500 truck (regular cab) can be a great way to get into the car you need while paying off the cost across a handful of years by making month-to-month car payments. You often usually start the vehicle buying process by looking for the vehicle model you prefer to buy. Next, consider the monetary aspect of the new car and the amount of money you will need to get to finance the vehicle by finding the difference in between the sticker price of your brand new GMC Sierra 1500 and the values of your down payment and any trade-in credit from your old motor vehicle.

This will calculate the amount you will be required to finance your 1999 GMC Sierra 1500. Consult loan companies to see quoted financing offers. These offers will normally be based on your credit rating, customer credit profile, and credit history. The next step includes choosing the best lender. It is best to check out financing APRs from a number of lending institutions (checking out deals with 3-4 loan providers is excellent). Checking offers from competing lenders will help you secure the best funding deal possible on your GMC vehicle.

To round off your Sierra 1500 financing, you need to do a few things including having an approved credit score, meeting lender requirements, and meeting auto financing requirements. Before you apply, try to have a credit score of over 600 (nonprime credit bracket) when financing a newer motor vehicle. Credit scores in the 500s (subprime bracket) may be acceptable for slightly older used motor vehicle financing. Improving your credit score is important because your rating can directly impact your given lending rates throughout the finance process.

Other lending institution requirements include making a minimum amount of income monthly and meeting residency conditions by living in an area the lender services. In the non-prime credit category of 601 to 660 scores, loan providers may require borrowers to have a month-to-month income of $1,600 to $2,000. Subprime lending institutions in the 501 to 600 credit history usually have comparable requirements. Finally your car should satisfy general motor vehicle finance requirements like being more recent than 10 years old and having no more than 100,000 miles with favorable vehicle equity.

GMC Sierra 1500 Refinancing

Refinance your GMC Sierra 1500 SL truck (regular cab). Learn how you can save money by adjusting your current loan.

Find GMC Sierra 1500 Insurance

Learn about insurance and see coverage options for your GMC Sierra 1500. Bundling your insurance can save you money.

Learn About GM Financial

GM Financial is GMC’s internal monetary services division. If you are thinking about buying a more recent vehicle from an auto brand dealer, they can offer several funding options. The deals and bonuses can include financing deals like 0% APR for 60 months and 6.9% stand alone APR for 84 months (based on the down payment amount). GM Financial can even provide leasing offers and incentives like 10,500 annual miles for 39 months with a set dollar amount due at signing.

Calculate Lending Options for Your Sierra 1500 SL

It is essential to know how much you can afford to pay for your brand-new 1999 GMC Sierra 1500. When tracking your individual expenditures, you may want to compare your financing offers from various lenders. This step may be important not only for car budgeting but also for your financial well being. Checking loan rates and terms with a finance calculator is among the simplest ways to quickly see your estimated auto payment.

What is the Car Payment to Buy a GMC Sierra 1500 SL?

Ever wonder how much money it would be to sign an automobile loan on a 1999 GMC Sierra 1500? Here is some info you can use to start your research! The answer to the vehicle payment question depends on a few calculations. The month-to-month automobile payment on a GMC Sierra 1500 SL is calculated by your down payment amount, car loan APR, term, credit score, trade in-value, and various other variables. Details like the sales tax on the Sierra 1500 SL also need to be taken into account. So, since the manufacturer’s suggested retail price or MSRP is $, an average estimated auto payment for a brand-new Sierra 1500 might be approximately $-.

This value is determined by using the MSRP and subtracting a 10% down payment together with a vehicle loan rate of interest of 5% throughout a 48 month term. Remember these variables can change based on your quoted car loan rates and lending offers. Keep in mind this is what it may cost if you bought the 1999 GMC Sierra 1500 “brand-new” according to the MSRP. With used and older motor vehicles, there is a considerable chance the monthly auto payment will be drastically varied. You can check additional estimates using varying percentages and numbers using a car payment calculator.

Estimated Monthly Payment


Involved Payment Factors

Down Payment: 10% (estimated payment)
Loan Interest Rate: 5% (average rate)
Car Loan Term: 72 months (varies by offer)

Note: This estimated payment does not include other factors and costs like sales tax which would normally be included in actual payment estimate.

1999 GMC Sierra 1500 Refinancing

Refinancing your GMC Sierra 1500 is also a choice to keep in mind after you have already made a number of your initial regular monthly motor vehicle payments. The primary lending institutions you originally financed through often have benefits and promotions which terminate or are front-weighted. Special offers like cash back refunds and 0% APR financing discounts may start losing their effectiveness or worth after 6 to 12 automobile payments.

If your financial scenario has changed because you purchased your GMC Sierra 1500 or if your original interest rate and term are no longer advantageous to you, think about refinancing. You can usually save cash on your month-to-month vehicle payments by refinancing your automobile loan.

GMC Sierra 1500 Vehile Insurance Plans

Maintaining valid car insurance coverage insurance coverage for your GMC Sierra 1500 is extremely important. Getting the best insurance plan and coverage for you may help cover expenses associated with traffic accidents, car theft, and other damage to your SUV, truck, or car. Not only can it assist you in fixing the damage from a vehicle accident or hitting an object, but retaining valid insurance is often a legal obligation to drive on public roadways in most states and counties in the USA. The most ideal vehicle insurance plans are often comprehensive collision coverage which helps you repair your GMC truck (regular cab) and pay for non accident-related damage from many things like inclement weather, storms, fire, vandalism, and animal strikes on top of automobile crashes. Insurance can even help you pay for repairs to the 4.3L engine in your truck (regular cab) as well as other mechanical parts and components. The amount you spend for the insurance coverage can range and is frequently based upon the manufacture year of your car. If you drive the 1999 SL, this will be factored into your month-to-month insurance coverage payments. Find out more about insurance and secure your GMC Sierra 1500 SL 2 door Regular Cab 4WD SB with a 4.3L 6-cylinder naturally aspired 5M.

1999 GMC Sierra 1500 SL 2 Door Regular Cab 4WD SB 4.3L 6-Cylinder naturally aspired 5M 3

Where to Purchase a GMC Sierra 1500 SL

Searching for the right car or truck can be tough. There are a great deal of factors to think of when it comes time to buy an automobile. You have to find the ideal make and model that fits your goals along with managing a motor vehicle payment that fits into your spending plan. There are a lot of options around for locating and buying used and new motor vehicle stock, so it may be tough to understand where to start your motor vehicle purchasing journey. Carvana is one of the very best dealers to start purchasing a vehicle. Their large inventory, financing offers, and trade-in policies can allow you to quickly trade the motor vehicle you have now for another one you desire to drive. Find out how to purchase a car or truck using Carvana.

Shop for a GMC Sierra 1500

Sierra 1500 SL Safety and Features

Warranty and Maintenance Specifications

When it comes to getting the finest care for your new automobile, we frequently think about branded factory warranties. These factory manufacturer’s warranties provide standard protections like a restricted 3 year or 36,000 mile bumper-to-bumper service warranty and a 5 year duration or 60,000 mile powertrain guarantee. These yearly durations begin with the original sale date to the first owner.

Supplementary manufacturer factory auto service warranties are often readily available depending upon the engine type of the motor vehicle. New motor vehicles with diesel engines can come with a factory 5 year duration or 100,000 mile powertrain service warranty. Hybrid cars and electric powered vehicles (EVs) additionally can have distinct coverage like a 8 year duration or 100,000 mile warranty.

There are also extended vehicle service plans (VSPs), Certified pre-owned (CPO) guarantees, and extra warranty coverage selections available beyond the manufacturers original factory plans. VSPs provide maintenance service plans with supplementary coverage for a vehicle’s parts in the event that your vehicle has a large mechanical failure. These are excellent choices to consider when purchasing a used automobile.

CPO extended warranties often add coverage for extra years with a time and/or mileage limitation like 2 years or 80,000 miles on the car or truck. Cars, trucks, and SUVs that come with CPO status undergo a rigorous pre-owned inspection by professional specialists which includes extra warranty years. CPO motor vehicles normally have price points more than equivalent used motor vehicles , however, they may be worth it for having the assurance that the vehicle you are buying is mechanically good.

Other protection alternatives include prepaid auto upkeep programs from auto dealers. These plans help to maintain the components, services, and labor that belong to the recommended producer’s upkeep schedule. You will find these checks and associated mileages posted in the automobile owner’s manual.

Information Regarding Sierra 1500 Warranty Details

Factory Warranty: A factory service warranty is what you may think of when it comes to the general idea of a “motor vehicle warranty”. These types of service warranties most frequently come with new vehicles and are one of the simplest and most budget friendly ways to safeguard your car – warranty wise because the new automobile may cost more than a used one leading to less affordability.

Drivetrain Warranty: A drivetrain service warranty covers the parts and components which drive the vehicle forward. The elements of the drivetrain can consist of the axles, driveshaft, transmission, engine, exhaust manifolds, wheels, and similar elements. The warranty also usually protects internal engine components like seals, gaskets, and other rubberized parts. A drivetrain warranty is another term for a powertrain warranty and might cover similar components depending on the automaker’s definitions and warranty terms.

Roadside Warranty: A roadside service warranty assists you when you are stranded or broken down on the road. This service warranty for the GMC Sierra 1500 SL includes standard support services like towing, blowout fixing or replacement, dead battery help and jumpstarts, lockout assistance, fluid and fuel delivery, and other comparable services. A roadside service warranty resembles roadside assistance, but it is included with the brand-new motor vehicle from the manufacturer and not an add-on product through insurance or a vehicle service contract or VSC.

Rust & Corrosion Warranty: A rust and corrosion warranty can help protect the frame, materials, and body of the car. Car manufacturers include this warranty with new cars to help repair damage brought on by caustic liquids, substances, and substances. While car bodies are developed from corrosion-resistant materials like aluminum, carbon, plastic, and magnesium, rust can form on body panels. Large volumes of roadway deicers like salt or sodium chloride, calcium chloride, magnesium chloride, and comparable elements and compounds can trigger an automobile’s body to rust. Other corrosive solutions like bleach and acid (while not normally encountered on roadways), can cause rust if sprayed on a car’s body panels.

GMC Sierra 1500 Factory Warranty Coverage

Factory Warranty:Drive Train Warranty:
Roadside Warranty:Rust & Corrosion Warranty:
Data comes from dealer network APIs but is not endorsed or certified by any dealer.

GMC Sierra 1500 SL Additional Details

In order to create interest in a wider market of car drivers who are interested in the 1999 GMC Sierra 1500 SL, a few different trim levels are provided. Many automotive corporations provide different alternatives for their automobiles. This includes General Motors (General Motors Company) who makes the Sierra 1500 model. These choices can feature things like assorted paint shades, wheel dimensions, or bundles that consist of features like a sunroof or entertainment system. Offering these options permits manufacturers to attract different kinds of car shoppers and helps them to move even more cars and trucks.

These factory options enable customers to select an automobile which meets their requirements plus can include different functions that they might desire in their automobile. Some vehicle suppliers may provide things like a selection of various engines, trim lines, as well as sport packages to select from, while others might offer different exterior colors or interior trim levels or colors. The alternatives that are available will vary across car manufacturers, makes, and models, so do your research when you are looking for a vehicle with specific features like heated seats or 3rd occupant seating.

By taking the time to look into the different alternatives that are out there for vehicles, you, as the customer, can make sure that you are buying specifically what you want in your new vehicle. This truck (regular cab) by Sierra 1500 comes set up from the automobile maker with a number of standard trims and options. They consist of options like the and other typical features.

1999 GMC Sierra 1500 SL 2 Door Regular Cab 4WD SB 4.3L 6-Cylinder naturally aspired 5M 4

GMC Sierra 1500 Questions

Looking for info about the GMC Sierra 1500 SL? Here are some answers to frequently asked FAQs. It is essential to do your research on the vehicle and research the specific details. Check out the auto specs and be aware of how your car payment on your motor vehicle can impact your budget and finances. These FAQs can help you understand the capabilities of the vehicle along with MPGs, weight, horsepower, and engine capabilities.

What is a GMC Sierra 1500 SL?

The GMC Sierra 1500 is a vehicle line produced by General Motors (General Motors Company). The SL is a specific package of the GMC Sierra 1500 lineup. The vehicle is categorized as a full-size pickup truck.

How much does a GMC Sierra 1500 SL cost?

The GMC Sierra 1500 SL costs around $.

What is the car payment to buy a GMC Sierra 1500 SL?

The monthly car payment on a GMC Sierra 1500 SL depends on your down payment, car loan interest rate, term, credit score, trade in-value, and other factors. Things like sales tax on the Sierra 1500 SL also need to be considered. Since the MSRP is $, the average car payment for a new Sierra 1500 could be around $-. This can be estimated by using the MSRP minus a 10% down payment with a auto loan interest rate of 5% over a term of 48 months. Keep in mind these factors will vary depending on your qualifying loan rates and lending offers. You can check additional estimates with varying numbers by using a car payment calculator.

Can I lease a GMC Sierra 1500 SL?

You may be able to lease a GMC Sierra 1500 SL through an auto loan lender or financial institution.

Can I refinance my GMC Sierra 1500 SL?

You may be able to refinance your GMC Sierra 1500 SL depending on your credit score and financial situation. To learn more about lenders who offer vehicle refinancing and car loans, check out the best auto refinance companies.

Where can I buy a GMC Sierra 1500 SL?

Try searching car dealers like Carvana for a GMC Sierra 1500 SL. They often have good deals on recent vehicles and may also have a similar GMC Sierra 1500 in their inventory.

How far does the GMC Sierra 1500 SL go on a single tank of gas?

The GMC Sierra 1500 SL can usually travel around 338.0/416.0 miles miles on a full tank of gas. This range is dependent on driving conditions, vehicle maintenance, and other roadway factors.

Does the GMC Sierra 1500 have good gas mileage?

GMC Sierra 1500 gets an EPA estimated 13/16 MPG miles per gallon (MPG) on the city/highway roads. The combined MPG is 14 MPG. Understanding if this is a good gas mileage depends on what you are comparing the vehicle to. You can use our Gas Mileage Comparison calculator to see MPG estimates between vehicles with different MPG ratings along with destinations.

What kind of gas mileage does the GMC Sierra 1500 get?

The GMC Sierra 1500 gets 13/16 MPG (city/highway) MPG per the Environmental Protection Agency or EPA. The combined MPG rating is 14.

What type of gas does a GMC Sierra 1500 use?

The GMC Sierra 1500 uses the regular unleaded fuel type.

How much gas does the GMC Sierra 1500 gas tank hold?

The gas tank in the GMC Sierra 1500 holds 26 gallons of gas.

What type of vehicle is the GMC Sierra 1500 SL?

The GMC Sierra 1500 with the SL package is a full-size pickup truck.

What is the towing capacity of a GMC Sierra 1500?

The GMC Sierra 1500 has a towing capacity of 4,000 pounds.

How much horsepower does a GMC Sierra 1500 have?

The GMC Sierra 1500 has a horsepower rating of 200HP.

What kind of engine does a GMC Sierra 1500 SL have?

The GMC Sierra 1500 SL comes with a 4.3L V6 4×4 5-speed manual engine.

What type of drivetrain does a GMC Sierra 1500 SL have?

The GMC Sierra 1500 SL features a four wheel drive drivetrain.

What kind of transmission does a GMC Sierra 1500 come with?

The GMC Sierra 1500 SL comes with a 5-speed manual transmission.

Where is the GMC Sierra 1500 made?

The GMC Sierra 1500 SL is made in the United States by General Motors (General Motors Company).

Is the GMC Sierra 1500 domestic or imported?

The GMC Sierra 1500 is a domestic vehicle.

What car company makes the GMC Sierra 1500 SL?

The General Motors (General Motors Company) is the auto manufacturer which produces the GMC Sierra 1500 SL.

How much does a GMC Sierra 1500 weigh?

The GMC Sierra 1500 SL has a gross vehicle weight of 6,100 pounds and a curb weight of 4,236 pounds. Learn more about how a vehicle is weighed.

What kind of warranty does the GMC Sierra 1500 come with?

The GMC Sierra 1500 SL can come with a few warranties from the manufacturer including a drivetrain warranty, a roadside warranty, a anti-rust warranty, and a maintenance program.

Related Vehicles

Ready To Start The Refinance Process?

Start by connecting with lenders**.