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2020 GMC Sierra 3500HD

$36,800 - $65,100
Price Range (MSRP)
GMC Sierra 3500HD

2020 GMC Sierra 3500HD Overview

The Sierra 3500 HD is GMC’s most capable heavy-duty truck, slotting into the lineup above the 2500 HD. Both trucks are all-new for 2020, sporting GMC’s new Multipro tailgate, new trailering features, a head-up display, and a rear camera mirror. The company says its new trucks are also larger, with more cargo and passenger space.

Though both trucks have the same dimensions and appearance, the 3500 has stronger springs and other components that increase its towing and payload capacity. Though GMC says more than half of its Sierra HD customers choose the top Denali trim, there’s also an off-road AT4 model in the lineup.

The Sierra 3500 HD comes standard with a 6.6-liter V8 that produces 401 horsepower and 464 lb-ft of torque paired with a six-speed automatic transmission. There’s an available 6.6-liter turbodiesel V8 that makes 446 hp and 910 lb-ft of torque that comes mated to a new 10-speed Allison transmission.

The Sierra HD competes with the Chevrolet Silverado HD and Ford F-350. The Sierra HD line has a starting price of $40,000, but we don’t have the details on 3500’s starting price just yet. GMC says the trucks will go on sale in late summer 2019.

2020 GMC Sierra 3500HD Models

Trim Engine Transmission Drivetrain Price (MSRP)
Base
6.6-liter V8 Gas
6-Speed Automatic
Rear-Wheel Drive
Four-Wheel Drive
$36,800
SLE
6.6-liter V8 Gas
6-Speed Automatic
Rear-Wheel Drive
Four-Wheel Drive
$41,200
SLT
6.6-liter V8 Gas
6-Speed Automatic
Rear-Wheel Drive
Four-Wheel Drive
$53,600
AT4
6.6-liter V8 Gas
6-Speed Automatic
Four-Wheel Drive
$58,900
Denali
6.6-liter V8 Gas
6-Speed Automatic
Four-Wheel Drive
$64,900

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