GMC Sierra 2500HD

The GMC Sierra 2500HD was in production from 2019 to 2022. It came in a single version, the 6.6L 10AT with 445 hp. Compared with the previous generation (2014 – 2019), peak power rose from 403 to 445 hp.

• Overview
• Variants 1
• Specifications
• Dimensions
• Timeline

Body styleNot specified

Production2019 – 2022

Variants1

Fuel—

Key specifications (range)

Power445 hp

0–100 km/h—

Top speed—

Fuel economy—

Similar cars

Mercedes-Benz GLS-Class2019 – 2023 up to449 hp Audi RS 52019 – 2024 up to450 hp BMW M2 CS2019 – 2020 up to450 hp Porsche 911 Carrera S2019 – 2024 up to450 hp Mercedes-AMG GLE2019 – 2023 up to435 hp SCG Boot2019 – present up to460 hp

Variant	Fuel	Power	0–100	Top	Gearbox
6.6L 10AT (445 HP)		445 hp	—	—	—

Variant:6.6L 10AT (445 HP)

6.6L 10AT (445 HP) 445 hp

Engine

Power

327.3 KW @ - RPM445 HP @ - RPM439 BHP @ - RPM

Length—

Width—

Height—

Wheelbase—

Curb weight—

Torque—

Ranges across all 1 variants of this generation.

1. 
   2008 – 2013 Sierra 2500HD
2. 
   2014 – 2019 Sierra 2500HD
3. 
   2019 – 2022 Sierra 2500HD
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