GMC Sierra 2500 HD Trucks: The Best Models to Buy Used

Shopping for a used heavy-duty pickup is a significant investment, even if it's not a newer model year. You need a reliable option with strong, long-term performance without sacrificing vehicle quality. GMC's Sierra HD Trucks have been a go-to pick for drivers. But with models dating back decades, with various trims and configurations, it can be challenging to know which to choose.

Below is a complete guide on the best used GMC Sierra 2500 HD Trucks to buy by model year, trim, configuration, towing, and more.

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Best GMC Sierra 2500 HD Trucks to Buy Used

Below are the five best years for the GMC Sierra 2500 HD Truck to buy used.

1. 2010 GMC SIERRA 2500 HD

The 2010 GMC Sierra 2500 HD Truck is still one of the best heavy-duty pickups to buy used if you're looking for a standard, dependable vehicle. For $3,932 to $20,059 MSRP, J.D. Power ranked it first for the Best Large Heavy Duty Pickup of 2010, and they rated it 89 out of 100 for reliability due to its solid build quality.

2. 2013 GMC SIERRA 2500 HD

The 2013 GMC Sierra 2500 HD Truck significantly improved its powertrain options, making it an ideal pickup to buy used for its performance. For $6,696 to $28,697 MSRP, it introduced a new bi-fuel 6.0L V8 engine, offered a stronger 6.6L Duramax turbodiesel engine option (397hp and 765 lb.-ft. of torque), added a bigger six-speed automatic transmission, and accelerates from 0 to 60 mph in just 7 seconds!

3. 2016 GMC SIERRA 2500 HD

The 2016 GMC Sierra 2500 HD Truck received many changes worth considering. For $13,508 to $43,204 MSRP, it standardized xenon headlights and LED running lights, added a new seven-inch IntelliLink touchscreen interface, and integrated Apple CarPlay/Android Auto.

4. 2017 GMC SIERRA 2500 HD

The 2017 GMC Sierra 2500 HD Truck was recognized as a high-value pickup-a must when shopping for a used truck. For $15,469 to $44,891 MSRP, Edmunds rated it 4 out of 5 for its upgraded 6.6L turbodiesel V8 engine, immense towing capabilities, and Teen Driver mode, which became standard.

5. 2020 GMC SIERRA 2500 HD

The 2020 GMC Sierra 2500 HD Truck was a redesign year, bringing new offerings and designs at a lower price than newer used models. For $23,711 to $61,339 MSRP, you get an upgraded cabin with a roomier interior, better quality materials, and a standard full suite of advanced driver safety features for all trims.

Best Used GMC Sierra 2500 HD Trims & Configurations

Below is a breakdown of the best-used GMC Sierra 2500 HD to buy by trim and configuration.

Best Used GMC Sierra 2500 SLE Trucks

• The 2010 GMC Sierra 2500 HD SLE offers the best value for its features and standard equipment. For $4,092 to $13,722 MSRP, it's the recommended trim by Carfax due to its keyless entry, 17-inch wheels, cruise control, four audio speakers, and more.
• The 2013 GMC Sierra 2500 HD SLE bumps up the features from the base level trim without breaking the bank. For $7,699 to $21,481 MSRP, it includes driver-side lumbar adjustments, alloy wheels, and full power accessories to enhance daily driving, like a power remote control.
• The 2017 GMC Sierra 2500 HD SLE brought new changes that are a must for heavy-duty pickup drivers. For $18,022 to $34,491 MSRP, it received an upgraded eight-inch central touchscreen, LED cargo box lighting, and remote locking EZ tailgate.
• The 2020 GMC Sierra 2500 HD SLE benefitted from a redesign year, offering drivers new options. For $26,574 to $41,848 MSRP, you get a standard Wi-Fi hotspot, cruise control, and an available ProGrade Trailering™ System.
• The 2021 GMC Sierra 2500 HD SLE received trim-exclusive changes that heavy-duty pickup drivers need in a lower trim level. For $28,815 to $46,771 MSRP, the MultiPro Tailgate became standard, allowing you to configure your tailgate for various tasks, like a bed extender, an entry step, and even an outdoor KICKER® audio system.
  

Best Used GMC Sierra 2500 HD SLT Trucks

• The 2010 GMC Sierra 2500 HD SLT has trim-exclusive options unavailable in the rest of the lineup. For $5,219 to $20,059 MSRP, you get an available rear seat entertainment system and a sunroof to make driving even more enjoyable at a lower price point.
• The 2013 GMC Sierra 2500 HD SLT offers significant value in a mid-level trim. For $10,033 to $26,557 MSRP, it includes a standard heavy-duty trailering package with an integrated trailer brake controller, an upgraded Bose stereo system with a USB port, and an auto-dimming rearview mirror.
• The 2016 GMC Sierra 2500 HD SLT was a redesign year with trim-exclusive updates worth the price. For $19,094 to $38,157 MSRP, it upgraded its Digital Steering Assist to make maneuvering a massive pickup easier in tighter areas-which is crucial for heavy-duty pickups.
• The 2017 GMC Sierra 2500 HD SLT comes packed with plenty of standard equipment without upgrading to upper-level trims. For $21,190 to $39,285 MSRP, it includes power-folding mirrors, foglights, remote ignition, and a 110-volt household-style power outlet.
• The 2020 GMC Sierra 2500 HD SLT offers trim-specific benefits you won't find in the lineup. For $33,259 to $49,910 MSRP, it has a standard MultiPro Tailgate and enhanced towing/trailering performance due to its lower curb weight that increases with upper-level trims due to their chrome designs.
  
  

Best Used GMC Sierra 2500 HD AT4 Trucks

Since the AT4 trim wasn't introduced to the Sierra 2500 HD Truck until 2020, below are the four best model years to buy used and why.

• The 2020 GMC Sierra 2500 HD AT4 debuted as a new trim and part of a redesign year, introducing an impressive off-roading experience. For $41,755 to $56,524 MSRP, it features a lifted suspension, red tow hooks, and additional skid plates.
• The 2021 GMC Sierra 2500 HD AT4 brought new off-roading equipment in this model year. For $45,142 to $58,793 MSRP, it now includes mud terrain tires and a standard high-clearance step.
• The 2022 GMC Sierra 2500 HD AT4 is your off-road designed trim for a reason. For $49,163 to $61,192 MSRP, you get trailering mirrors, 18-inch darkened wheels, and a dual-path air induction system to make your adventures smoother.
• The 2023 GMC Sierra 2500 HD AT4 has the world's first six-function GMC MultiPro Tailgate with off-road enhancing features. For $54,811 to $65,428 MSRP, you get six powered tailgate configurations to improve loading/unloading, red recovery hooks, and an available high clearance step.
  
  

Best Used GMC Sierra 2500 HD Denali Trucks

• The 2013 GMC Sierra 2500 HD Denali gives you luxury for a lower price with valuable heavy-duty pickup features exclusive to this trim. For $11,408 to $28,697 MSRP, it includes an EZ-lift tailgate, four-bar chrome grille, brushed metallic interior, and rear parking sensors.
• The 2016 GMC Sierra 2500 HD Denali was one of the two trims that received an upgraded Digital Steering Assist for better handling. For $22,527 to $43,204 MSRP, you also get top-of-the-line features, including a power-sliding rear window with defogger and front/rear parking sensors.
• The 2017 GMC Sierra 2500 HD Denali has a long list of standard upscale designs. For $25,278 to $44,891 MSRP, it comes with a chrome exterior with matching side steps, premium cabin materials, wireless phone charging, ventilated front seats, and plenty more.
• The 2018 GMC Sierra 2500 HD Denali maximizes your pickup's luxury as a redesign year with trim-exclusive amenities. For $18,163 to $49,552 MSRP, it upgraded the interior trim, added more exterior chrome, and included a navigation system.
• The 2020 GMC Sierra 2500 HD Denali cabin has many trim-exclusive conveniences. For $45,205 to $61,339 MSRP, it has premium leather materials on the heated/ventilated front seats, an upgraded climate control system, and a higher driving position for better visibility.
  

Best Used GMC Sierra 2500 HD Diesel Trucks

• The 2010 GMC Sierra 2500 HD Truck has a powerful, fuel-efficient turbodiesel engine option. For $3,932+ to $20,059+ MSRP, the Duramax V8 produces 365 hp and 660 lb.-ft. of torque and a powertrain-exclusive six-speed automatic transmission.
• The 2011 GMC Sierra 2500 HD Truck offered a new 6.6L Duramax turbodiesel engine that increased its torque by 105 lb.-ft. from last year's models-outputting 397 hp and 765 lb.-ft. of torque. Average pricing is $5,531+ to $23,499+ MSRP.
• The 2013 GMC Sierra 2500 HD Truck's Duramax turbodiesel V8 engine produces 397hp and 765 lb.-ft. of torque with a stronger Allison 1000 six-speed transmission for 11% better fuel economy per GMC. Average pricing is $7,699+ to $21,481+ MSRP.
• The 2017 GMC Sierra 2500 HD Truck upgraded its turbodiesel powertrain for this model year. For $15,469+ to $44,891+ MSRP, the 6.6L Duramax V8 engine now outputs 445hp and 910 lb.-ft. of torque and updated its hood-mounted air intake.
• The 2020 GMC Sierra 2500 HD Truck's 6.6.L Duramax V8 became paired with a new 10-speed automatic transmission and has a respectable average fuel economy of 17-18 mpg highway-very valuable for pickup drivers hauling on long drives! Average pricing is $23,711+ to $61,339+ MSRP.
  
  

Best Used GMC Sierra 2500 HD Crew Cab Trucks

• The 2010 GMC Sierra 2500 HD Crew Cab brings roomy back seating that many pickups on the market can only fit children comfortably. For $4,195 to $20,059 MSRP, this model is spacious enough for most adult sizes and has supportive seating materials.
• The 2013 GMC Sierra 2500 HD Crew Cab adds interior space, includes fold-up rear sets, and offers two bed length options (6.5-ft. and 8-ft.) to suit your preferences. Average pricing is $7,662 to $28,697 MSRP.
• The 2016 GMC Sierra 2500 HD Crew Cab with 4WD and turbodiesel V8 boasts powertrain performance. For $18,915 to $43,204 MSRP, it accelerates from 0 to 60 mph in 7 seconds, which is incredible for a heavy-duty pickup.
• The 2017 GMC Sierra 2500 HD Crew Cab with 4WD Diesel has a remarkable powertrain performance. For $15,469 to $44,891 MSRP, it accelerates from 0 to 60 mph in only 6.5 seconds, even with a longer and heavier Crew Cab model! 
• The 2020 GMC Sierra 2500 HD Crew Cab has ample cargo and cabin space in a redesign year. For $26,180 to $61,339 MSRP, the rear seats flip up for storing large items, include many in-cabin storage areas for smaller items, and have abundant headroom and legroom for this configuration.
  
  

Best Used 4x4 GMC Sierra 2500 HD Trucks

• The 2010 GMC Sierra 2500 HD 4x4 upper trim levels with 4WD get features to strengthen your ride control. For $4,368 to $20,059 MSRP, it's equipped with Autotrac®, an electric transfer case that automatically engages 4WD based on road conditions and when it detects the vehicle is slipping.
• The 2011 GMC Sierra 2500 HD 4x4, combined with upgrades for this model year, offers a refined ride and responsive steering. For $5,531 to $23,499 MSRP, a new frame, suspension components, and a 6.6L Duramax turbodiesel engine option with exhaust braking were added.
• The 2013 GMC Sierra 2500 HD 4x4 models came with new package features to make driving on rugged roads easier. For $7,341 to $28,697 MSRP, you can now add a Z71 Off-Road Suspension Package with skid plates and supportive equipment, like gas-charged monotube shocks.
• The 2016 GMC Sierra 2500 HD 4x4 with the Crew Cab configuration and turbodiesel V8 can tackle any terrain at night or day with power. For $18,915 to $43,204 MSRP, it impressively accelerates from 0 to 60 mph in 7 seconds and has newly standardized xenon headlights and LED running lights.
• The 2017 GMC Sierra 2500 HD 4x4 with a Crew Cab configuration can not only accelerate from 0 to 60 mph in an astounding 6.5 seconds but also has enhanced maneuverability. For $15,469 to $44,891 MSRP, it comes with a new Adaptive Steering system that changes your steering ratio according to car speed and wheel position for greater ride control.
  
  

Used GMC Sierra 2500 HD Trucks with the Best Interior

• The 2010 GMC Sierra 2500 HD Truck may surprise you in making the best interior list. For $3,932 to $20,059 MSRP, it has a spacious and incredibly quiet cabin with utilitarian-like or luxury-inspired design options (depending on the trim level) to match your ideal aesthetic at a lower price.
• The 2020 GMC Sierra 2500 HD Truck was a redesign year, where the interior was notably revamped. For $23,711 to $61,339 MSRP, it added more cargo space, upgraded its cabin materials, and standardized its advanced safety suite on all trims.
• The 2021 GMC Sierra 2500 HD Truck offers new high-tech interior features to the lineup. For $25,562 to $62,167 MSRP, the luxurious Denali adds a standard HD 360-degree camera system with bed views, and all trims can access an available head-up display with wireless charging.
• The 2022 GMC Sierra 2500 HD Truck brought new and improved interior updates. For $27,910 to $64,302 MSRP, it now includes wireless connectivity and offers upscale available cabin designs, like a lighted center console storage and heated/ventilated front leather-appointed seats.
• The 2023 GMC Sierra 2500 HD Truck may seem obvious in making the best interior list as the newest used model year, but it's for many reasons. For $33,366 to $67,099 MSRP, it has best-in-class front headroom (43 inches) and legroom (44.5 inches), forged perforated leather seating, and four interior color combinations to choose from.
  
  

Used GMC Sierra 2500 HD Trucks with the Best Towing Capacity

• The 2010 GMC Sierra 2500 HD Truck is best if you don't need superior towing strength. For $3,932 to $20,059 MSRP, it can tow up to 13,000 lbs. when properly equipped with a fuel-efficient Duramax V8 and rearview camera as an option to make hitching trailers simpler and cheaper.
• The 2013 GMC Sierra 2500 HD Truck has a 13,000 lbs. standard tow capacity but can tow up to 17,800 lbs. with a gooseneck hitch and has a 4,212 lbs. max payload rating.  Average pricing is $6,696 to $28,697 MSRP.
• The 2017 GMC Sierra 2500 HD Truck's newly upgraded diesel engine has one of the highest towing capabilities in its class. For $15,469 to $44,891 MSRP, it can tow up to 18,100 lbs. and haul up to 3,534 pounds when properly equipped.
• The 2018 GMC Sierra 2500 HD Truck has a 14,500 lbs. max trailer weight, can tow up to 18,000 lbs. with a fifth-wheel trailer, and haul up 3,204 lbs. Average pricing is $18,163 to $49,552 MSRP.
• The 2020 GMC Sierra 2500 HD Truck increased its max towing capacity to 18,500 lbs., has a 3,979 lbs. max payload, and brought new trailering equipment as part of a redesign year. For $23,711 to $61,339 MSRP, it came with standard extendable tow mirrors, a 15-view towing camera system, and a trailer tire pressure monitoring system.
  
  

Should You Buy a Cheap Used GMC Sierra 2500 HD Truck Under $25,000? $20,000?

One of the main benefits of buying a used GMC Sierra 2500 HD Truck is getting it at a lower price than newly released ones. However, you should avoid listings under $15,000 as best practice. Pricing this low typically means the vehicle is in rough condition, which may cost you more in the long run than paying more upfront for a used, reliable truck.

You can likely avoid investing in a lemon by finding a used GMC Sierra 2500 for sale for under $25,000 or $20,000.

Used GMC Sierra 2500 HD Trucks for Sale in Santa Fe, NM

Shopping for the best used GMC Sierra 2500 HD to buy doesn't have to be a leap of faith. At Octane GMC of Sante Fe, you can have better peace of mind with an OEM dealership over questionable used car lots and private third-party sellers.

We even offer a 48-hour love-it or leave-it guarantee with lifetime alignment, 101-point safety, and reliability checks as part of our Octane Advantage program.

Ready to buy the best used heavy-duty pickup for your needs? Browse our used truck inventory or contact us for any questions today!