2020 GMC Sierra 3500HD SLT
*Estimated taxes and fees. All amounts reflect the dealership’s listing. DriversHub assumes no liability for omissions, inaccuracies, or non‑disclosed fees in dealer‑supplied pricing.
Start NegotiationNegotiation Potential
50 days at this dealer
Time on the market may give you some room to negotiate.
1 active alternative
Similar vehicles nationwide
Limited availability reduces your negotiating room.
Ask Miles about this car, what it should cost, and how to handle the dealer.
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Miles Overview
This is GMC's heavy-duty three-quarter-ton pickup, the one you cross-shop with the Ford F-250 and Ram 2500 when you need serious towing and payload capability. It drives like a big truck, which you expect, but the steering is direct and the brakes feel strong even when you're loaded up. The cabin is roomy and well built, and the available Denali trim brings real luxury with heated and ventilated seats and a quiet interior. You can get it as a regular, double, or crew cab, and the bed is available in a couple of lengths, so you can match it to how you actually work. The SLT adds leather upholstery, power-adjustable pedals, and a larger touchscreen over the SLE, but skips the AT4's off-road hardware and the Denali's extra luxury. Under the hood is a 6.6L V8 gasoline engine paired with a six-speed automatic and four-wheel drive, giving you strong low-end grunt for towing and hauling. The SLT can be ordered with the Duramax diesel and Allison ten-speed automatic, which bumps torque significantly and makes heavy towing feel effortless.
Vehicle Specs
Miles Overview
This is GMC's heavy-duty three-quarter-ton pickup, the one you cross-shop with the Ford F-250 and Ram 2500 when you need serious towing and payload capability. It drives like a big truck, which you expect, but the steering is direct and the brakes feel strong even when you're loaded up. The cabin is roomy and well built, and the available Denali trim brings real luxury with heated and ventilated seats and a quiet interior. You can get it as a regular, double, or crew cab, and the bed is available in a couple of lengths, so you can match it to how you actually work. The SLT adds leather upholstery, power-adjustable pedals, and a larger touchscreen over the SLE, but skips the AT4's off-road hardware and the Denali's extra luxury. Under the hood is a 6.6L V8 gasoline engine paired with a six-speed automatic and four-wheel drive, giving you strong low-end grunt for towing and hauling. The SLT can be ordered with the Duramax diesel and Allison ten-speed automatic, which bumps torque significantly and makes heavy towing feel effortless.
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Estimated Monthly Payment
$587
6% APR for 72 months
*Estimated taxes and fees. All amounts reflect the dealership’s listing. DriversHub assumes no liability for omissions, inaccuracies, or non‑disclosed fees in dealer‑supplied pricing.
Negotiation Potential
50 days at this dealer
Time on the market may give you some room to negotiate.
1 active alternative
Similar vehicles nationwide
Limited availability reduces your negotiating room.
Ask Miles about this car, what it should cost, and how to handle the dealer.
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About this Dealer
Verified Dealer
Mark's Discount Truck and Auto Sales is a car dealer in Londonderry, NH.