1999 GMC Sierra 2500 HD SL 2 door Truck (Regular Cab)

Learn about the GMC Sierra 2500 full-size pickup truck. See the engine specifications, gas mileage, price, and MSRP. Research GMC HD SL warranty features and GM Financial lending options.

Looking for a GMC Sierra 2500?

Find your perfect ride. Choose from thousands of vehicles. Your Sierra 2500 HD SL may be waiting for you.

Home » Vehicles » 1999 GMC Sierra 2500 HD SL 2 Door Regular Cab LB 6.0L 8-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

Information on the 1999 GMC Sierra 2500 truck (regular cab)

The 1999 GMC Sierra 2500 is produced under the GMC automobile brand name. It is categorized as a full-size pickup truck and makes use of a truck (regular cab) body. This 2 door truck (regular cab) has rear wheel drive with a 5-speed manual transmission. The GMC Sierra 2500 is primarily domestic from the country of United States. The GMC automobile line is a subsidiary car manufacturer held by General Motors (General Motors Company).

Thinking about changing vehicles?

Looking for a new car? Check out GMC Sierra 2500 truck (regular cab) listings. Browse extensive inventories to find the vehicle that is right for you!

1999 GMC Sierra 2500 HD SL 2 Door Regular Cab LB 6.0L 8-Cylinder naturally aspired 5M 1

Overview of the 1999 GMC Sierra 2500 HD SL

The GMC Sierra 2500 comes in different trim levels and spec packages such as the 1999 GMC Sierra 2500 HD SL 2 Door Regular Cab LB (6.0L 8-Cylinder naturally aspired 5M). This variation of the Sierra 2500 truck (regular cab) sports the HD SL 2 door Regular Cab LB with a 6.0L 8-cylinder naturally aspired 5M on the GMC Sierra 2500 vehicle chassis. The Sierra 2500 HD SL trim may integrate vehicle enhancement packages depending upon the origin of the motor vehicle and the generation.

GMC Sierra 2500 HD SL Price and MSRP

Are you excited to acquire a 1999 GMC Sierra 2500 HD SL? The initial MSRP is posted at $ and used vehicle Kelly Blue Book valuations are normally found at lower price points. Used prices are based on the year, make, configuration, and qualities. GMC Sierra 2500 asking prices can increase outside of these ranges due to variables like increased demand, limited supply, and auto industry shortages. During 2021, motor vehicle rates and associated automobile equity inflated due to computer chip shortfalls and supply chain limits. This resulted in tensions on the car market with older used values passing up the highs historically just seen by new car models.


Trim & Style: HD SL 2 door Regular Cab LB with a 6.0L 8-cylinder naturally aspired 5M

Made In: United States

Sierra 2500 HD SL Performance Specifications and Engine

The performance specifications and abilities of your vehicle’s engine matter a lot. If you are hauling a load or hard sided trailer with a truck. The efficiency, specs and capacities of your engine towing bundle matters a lot. Your horsepower and engine can lead to more bragging rights if you are taking your sports car out for a track day. On the other hand, if you are trying to find a sedan to run about town as a daily driver, you may not even care what is under the hood if it is efficient and the engine runs well.

GMC Auto Details

The 1999 GMC Sierra 2500 might feature several different performance bundles and engine alternatives. This specific GMC motor vehicle includes the 6.0 gas engine with a rear wheel drive drivetrain.

Engine:Horsepower: 300
Doors: 2 doorTransmission: 5-speed manual
Drive Type: rear 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 2500 HD SL 2 Door Regular Cab LB 6.0L 8-Cylinder naturally aspired 5M 2

Fuel Economy and Gas Mileage

Comprehending gas mileage and fuel usage are essential factors when it relates to looking at a GMC Sierra 2500. Besides the MSRP cost of the automobile, the fuel expense is generally the next most pricey factor when it comes to car ownership. The third most expensive factor is sticking to the advised upkeep schedule and conducting preventive repairs and maintenance.

The U.S. Environmental Protection Agency or EPA produces estimations around a vehicle’s gas mileage (MPG) and the number of miles an auto can proficiently drive per a gallon of fuel consumed on city streets and on the highway. MPG is dependent on GMC Sierra 2500 engine type, efficiency, operation elevation, and other things like aftermarket adjustments, however it supplies an excellent guideline for fuel use.

For the 1999 GMC Sierra 2500, the EPA predicts drivers will get around for operating the vehicle on city streets and while driving on the highway. These valuations are different since city driving entails traveling on town roadways, stopping at traffic lights, pausing at stop signs, waiting at crosswalks for pedestrians, and other things which call for the GMC Sierra 2500 to start and stop more regularly. On the highway, the GMC Sierra 2500’s engine and fuel performance are pushed to the limit accomplishing a greater MPG rating.

MPG Comparisons

Are you thinking about comparing and contrasting vehicle MPGs? See how your current car or truck compares to the fuel efficiency of the 1999 GMC Sierra 2500. This could be a significant consideration in your vehicle buying process. Use the gas mileage comparison calculator shown below to see how many more miles you could drive and fuel prices. Can you save gas money by driving this GMC Sierra 2500 or will it cost you more in gas to drive?

MPG: (city/Highway)

Compare Other vehicle MPGs

Finance Your Sierra 2500 HD SL

Finding financing for your 1999 GMC Sierra 2500 truck (regular cab) can be a great way to own the automobile you would like while paying it off throughout a handful of months by making regular monthly payments toward the vehicle. Car buyers start the car or truck buying journey by finding the vehicle model they wish to purchase. Next, you need to calculate the amount you will be required to have to finance by finding the difference in between the out the door cost of your brand-new GMC Sierra 2500 and the amounts of your down payment and any trade-in value from your used car or truck. Remove these values from the brand-new car or truck’s cost.

This will calculate the total amount of money you will be required to finance your 1999 GMC Sierra 2500. Check with lenders to see qualified financing deals. These deals will be based on your credit bracket, consumer credit profile, and credit history. This next step involves choosing the best lender. It is desirable to check out loan rates, terms and APRs from a range of lenders (evaluating deals with 3-4 lenders is good). Checking the competing offers will help you secure the very best funding offer possible on your GMC motor vehicle.

To finish your Sierra 2500 financing, you need to do a few things involving having a qualifying credit history, meeting lending institution guidelines, and meeting vehicle finance requirements. Before you apply, try to have a credit rating of over 600 (nonprime category) when shopping for a newer car. Credit scores in the 500s (subprime category) might be acceptable for older used motor vehicle financing. Improving your credit score is important considering your score can directly impact your offered rate of interest throughout the finance process.

Other lending institution requirements consist of making a specific level of income monthly and fulfilling residency conditions by living in an area the loan provider services for a specified period of time. In the nonprime credit category of 601 to 660 ratings, lenders may require borrowers to have a monthly income of $1,600 to $2,000. Subprime lending institutions in the 501 to 600 credit history usually have similar requirements. Lastly your automobile needs to fulfill general motor vehicle financing requirements like being more recent than 10 years old and having fewer than 100,000 miles with positive vehicle equity.

GMC Sierra 2500 Refinancing

Refinance your GMC Sierra 2500 HD SL truck (regular cab). Learn how you can save money by adjusting your current loan.

Find GMC Sierra 2500 Insurance

Learn about insurance and see coverage options for your GMC Sierra 2500. Bundling your insurance can save you money.

Learn About GM Financial

GM Financial is GMC’s internal finance services branch. They offer many financing offers if you are considering buying a newer car from one of the auto brands dealers. The benefits and offers can include finance deals like 0% APR for 60 months and 6.9% stand alone APR for 84 months (based on the amount of down payment). GM Financial can even offer leasing deals and incentives like 10,500 yearly miles for 39 months with a set dollar amount due at signing.

Calculate Funding for Your Sierra 2500 HD SL

It is important to recognize how much you can manage to put towards your brand-new 1999 GMC Sierra 2500. This is essential not only for automobile budgeting when tracking your personal financial resources but also for comparing finance offers from various lending institutions. Using a financing calculator is one of the most convenient ways to quickly see your predicted car payment.

What is the Monthly Payment to Buy a GMC Sierra 2500 HD SL?

Wondering how much it would cost to sign an automobile loan on a 1999 GMC Sierra 2500? Here is an estimate you can use to begin the research! The best answer to your vehicle payment question depends on a couple of calculations. The month-to-month car payment on a GMC Sierra 2500 HD SL depends on your down payment, car loan rate of interest, term, your credit history, trade in-value, and additional elements. Details like sales tax on the Sierra 2500 HD SL also need to be thought about. Because the manufacturer’s suggested retail price or MSRP is $, an average estimated auto payment for a new Sierra 2500 may be near $-.

This can be approximated by using the MSRP minus a 10% down payment with an automobile loan interest rate of 5% over a term of 48 months. Keep in mind it does not take into account mandatory information like sales tax. Simply use this information for your research. Remember this payment is what it may cost if you purchased the 1999 GMC Sierra 2500 “new” based upon the MSRP. With older automobiles, there is a high possibility the month-to-month automobile payment will be considerably varied. You can check more quotes using different percentages and numbers by using a car loan 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.

Info About 1999 GMC Sierra 2500 Refinancing

Refinancing your GMC Sierra 2500 is also an option to think about after you have already made a number of your preliminary month-to-month vehicle payments. The original lenders you originally financed through often have rewards and deals which lapse or are front-weighted. For example, special offers like cash back kickbacks and 0% APR financing discounts might begin losing their usefulness or benefit after 6 to 12 motor vehicle payments.

Carefully read the terms of your finance paperwork to understand when refinancing is a great alternative to think about. Refinancing helps you to find a new loan for your auto unpaid debt with a brand-new loan provider successfully modifying your loan’s APR and term with the new loan’s interest rate and term. If your personal financial circumstance has improved because you secured the loan for your GMC Sierra 2500 or if your original term and interest rate are no longer beneficial to you, consider refinancing. You can generally conserve money on your monthly motor vehicle payments by refinancing your vehicle loan.

GMC Sierra 2500 Car Insurance Coverage

Maintaining an auto insurance policy insurance coverage for your GMC Sierra 2500 is a must have. Choosing the appropriate insurance plan for you may help cover costs and damages related to traffic crashes and collisions, vehicle theft, and additional damage to your truck, car, or SUV. Not only will your insurance policy assist you in fixing the damage from an automobile collision or hitting a stationary object, but maintaining current insurance coverage is typically a legal obligation to operate a vehicle on public roads in most states and counties in the U.S.A. The very best vehicle insurance plans and associated coverage include comprehensive collision coverage which helps you repair accident-related damage to your GMC truck (regular cab) and cover non accident-related damage from lots of things like bad weather conditions, storms, wildland fires, vandalism, and animal strikes on top of motor vehicle accidents. The insurance plan can additionally help you fix the 6.0L engine in your truck (regular cab) along with other mechanical components. The amount you spend for the insurance coverage can vary and is frequently based upon the year of your automobile. If you drive the 1999 HD SL, this will be factored into your monthly insurance payments. Find out more about insurance and protect your GMC Sierra 2500 HD SL 2 door Regular Cab LB with a 6.0L 8-cylinder naturally aspired 5M.

1999 GMC Sierra 2500 HD SL 2 Door Regular Cab LB 6.0L 8-Cylinder naturally aspired 5M 3

Buy a GMC Sierra 2500 HD SL

Looking for the ideal car can be hard. When it comes time to buy a vehicle, there are a lot of things to consider. You need to find the right make and model that fits your goals along with managing a car payment that works with your budget plan. There are a lot of alternatives around for looking at new and used motor vehicle inventory, so it may be hard to understand where to start your vehicle purchasing journey. Carvana is among the best dealers to start buying an automobile. Their big stock, lending offers, and trade-in policies can allow you to easily swap the car or truck you have now for another one you wish to drive. Discover how to buy a vehicle with Carvana.

Shop for a GMC Sierra 2500

Sierra 2500 HD SL Safety and Features

Service Warranty and Maintenance Details

When it comes to getting the best care for your brand-new automobile, we typically think of factory warranties. These factory manufacturer’s warranties consist of traditional protections like a restricted 3 year or 36,000 mile bumper-to-bumper service warranty and a 5 year long or 60,000 mile powertrain protection warranty. These annual timeframes begin with the initial date of sale to the initial car or truck’s owner.

Supplementary manufacturer car service contracts are also readily available based on the engine type of the car or truck. Brand-new motor vehicles with diesel engines can come with a factory 5 year or 100,000 mile powertrain guarantee. Hybrid vehicles and electric powered vehicles (EVs) often come with unique protection like a 8 year duration or 100,000 mile service warranty.

There are also extended vehicle service plans (VSPs), Certified pre-owned (CPO) guarantees, and additional guarantee coverage alternatives offered beyond the auto manufacturers factory programs. VSPs offer routine maintenance service plans with supplemental protection for parts in the event your vehicle has an explosive mechanical failure. When buying a used vehicle, these are great options to consider.

CPO guarantees normally include protection for additional years with a mileage and/or time limitation like 2 years or 80,000 miles on the motor vehicle. Cars, trucks, and SUVs that carry CPO status undergo an extensive pre-owned inspection by certified technicians which adds additional warranty years. CPO cars usually have price points more than equivalent used automobiles , however, they could be worth it for having the assurance that the car you are getting is mechanically robust.

Other coverage options consist of pre-paid auto maintenance plans from car dealers. These plans maintain the components, services, and labor that belong to the advised producer’s maintenance schedule. You can identify these service checks and associated mileages posted in the vehicle owner’s manual.

Specific Sierra 2500 Warranties

Factory Warranty: A factory service warranty is what you might think of when it comes to the basic concept of an “automobile warranty”. These types of service warranties most typically come with brand-new vehicles and are one of the most convenient and most economical methods to secure your automobile – warranty wise given that the new vehicle may cost more than a used one leading to you spending more money.

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

Roadside Warranty: A roadside warranty helps you when you are stranded or are broken down when traveling. This service warranty for the GMC Sierra 2500 HD SL includes basic aid services such as towing, blowout fixing or replacement, dead battery help and jumpstarts, lockout help, fluid and fuel delivery, and other similar services. A roadside warranty resembles roadside assistance, however it is included with the brand-new vehicle from the automaker and not an add-on product through insurance policies or a vehicle service contract (VSC).

Rust & Corrosion Warranty: A rust and corrosion warranty helps to guard the body, materials, and frame of the motor vehicle. Car manufacturers include this warranty with brand-new vehicles to help repair damage triggered by caustic liquids, substances, and materials.

GMC Sierra 2500 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 2500 HD SL Manufacturer Details

In order to interest a bigger range of consumers who are interested in the 1999 GMC Sierra 2500 HD SL, a few different trim levels are provided. A large number of motor vehicle makers feature different choices for their vehicles. This includes General Motors (General Motors Company) who makes the Sierra 2500 model. These choices can consist of things like different paint shades, wheel sizes, or bundles that include benefits like a sunroof or gps system. Offering these options permits manufacturers to attract different kinds of car shoppers and also enables them to sell even more cars.

These alternatives permit consumers to select a vehicle which meets their needs plus can include various features that they might desire in their vehicle. Some auto producers might provide things like a selection of various engines, trim lines, and performance packages to pick from, while others might provide a wide range of exterior colors or interior trim levels. The alternatives that are offered will vary across car manufacturers, makes, and models, so do your research when you are trying to find a car with particular options like heated seats or third occupant seating.

By putting in the time to explore the various options that are out there for vehicles, you, as the customer, can make sure that you are getting exactly what you want in your new car. This truck (regular cab) by Sierra 2500 comes set up from the car manufacturer with a number of basic configurations and options. They consist of options like the and other typical components.

1999 GMC Sierra 2500 HD SL 2 Door Regular Cab LB 6.0L 8-Cylinder naturally aspired 5M 4

GMC Sierra 2500 Frequently Asked Questions

Have concerns about the GMC Sierra 2500 HD SL? Find answers to commonly asked FAQs. It is crucial to do your research on the vehicle and research the specific details. Check out the auto specs and be aware of how the car payment on a motor vehicle can affect your budget and finances. These questions can help you begin to understand the capabilities of the vehicle along with MPGs, weight, horsepower, and engine capabilities.

What is a GMC Sierra 2500 HD SL?

The GMC Sierra 2500 is a vehicle line produced by General Motors (General Motors Company). The HD SL is a specific package of the GMC Sierra 2500 lineup. The vehicle is categorized as a full-size pickup truck.

How much does a GMC Sierra 2500 HD SL cost?

The GMC Sierra 2500 HD SL costs around $.

What is the car payment to buy a GMC Sierra 2500 HD SL?

The monthly car payment on a GMC Sierra 2500 HD 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 2500 HD SL also need to be considered. Since the MSRP is $, the average car payment for a new Sierra 2500 could be around $-. This can be estimated by using the MSRP minus a 10% down payment with a motor vehicle 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 2500 HD SL?

You may be able to lease a GMC Sierra 2500 HD SL through an auto loan lender or financial institution.

Can I refinance my GMC Sierra 2500 HD SL?

You may be able to refinance your GMC Sierra 2500 HD 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 2500 HD SL?

Try searching car dealers like Carvana for a GMC Sierra 2500 HD SL. They often have good deals on recent vehicles and may also have a similar GMC Sierra 2500 in their inventory.

How far does the GMC Sierra 2500 HD SL go on a single tank of gas?

The GMC Sierra 2500 HD SL can usually travel around 0/0 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 2500 have good gas mileage?

GMC Sierra 2500 gets an EPA estimated miles per gallon (MPG) on the city/highway roads. The combined MPG is 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 2500 get?

The GMC Sierra 2500 gets (city/highway) MPG per the Environmental Protection Agency or EPA. The combined MPG rating is .

What type of gas does a GMC Sierra 2500 use?

The GMC Sierra 2500 uses the regular unleaded fuel type.

How much gas does the GMC Sierra 2500 gas tank hold?

The gas tank in the GMC Sierra 2500 holds 34 gallons of gas.

What type of vehicle is the GMC Sierra 2500 HD SL?

The GMC Sierra 2500 with the HD SL package is a full-size pickup truck.

What is the towing capacity of a GMC Sierra 2500?

The GMC Sierra 2500 has a towing capacity of 7,500 pounds.

How much horsepower does a GMC Sierra 2500 have?

The GMC Sierra 2500 has a horsepower rating of 300HP.

What kind of engine does a GMC Sierra 2500 HD SL have?

The GMC Sierra 2500 HD SL comes with a 6.0L V8 5-speed manual engine.

What type of drivetrain does a GMC Sierra 2500 HD SL have?

The GMC Sierra 2500 HD SL features a rear wheel drive drivetrain.

What kind of transmission does a GMC Sierra 2500 come with?

The GMC Sierra 2500 HD SL comes with a 5-speed manual transmission.

Where is the GMC Sierra 2500 made?

The GMC Sierra 2500 HD SL is made in the United States by General Motors (General Motors Company).

Is the GMC Sierra 2500 domestic or imported?

The GMC Sierra 2500 is a domestic vehicle.

What car company makes the GMC Sierra 2500 HD SL?

The General Motors (General Motors Company) is the auto manufacturer which produces the GMC Sierra 2500 HD SL.

How much does a GMC Sierra 2500 weigh?

The GMC Sierra 2500 HD SL has a gross vehicle weight of 7,200 pounds and a curb weight of 4,586 pounds. Learn more about how a vehicle is weighed.

What kind of warranty does the GMC Sierra 2500 come with?

The GMC Sierra 2500 HD 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**.