GMC Sierra 2500HD Denali performance summary
The 2026 GMC Sierra 2500HD Denali makes 401 hp and 1234 Nm of torque. It runs 0-100 km/h in 7.5s, about 7.0s from 0-60 mph, and reaches a listed top speed of 109 mph (175 km/h). In the Carspeed quarter-mile simulation, it covers 402 m in 15.60s.
On Carspeed's data it is relaxed — quicker off the line than 37% of the cars in our database, with more power than 72% of them and a higher top speed than 13%. That works out to roughly 180 per horsepower at list price.
GMC Sierra 2500HD Denali photos
Photos: Wikimedia Commons / CC
How the GMC Sierra 2500HD Denali ranks against 1,483 cars
GMC Sierra 2500HD Denali vs its closest rivals
| Car | HP | 0–100 | Top speed | 1/4 mi |
|---|---|---|---|---|
| GMC Sierra 2500HD Denali | 401 | 7.5s | 175 km/h | 15.60s |
| GMC Sierra 2500HD | 401 | 7.5s | 175 km/h | 15.60s |
| GMC Sierra 2500HD AT4 | 401 | 7.5s | 170 km/h | 15.64s |
| GMC Sierra 2500HD Denali Black Edition | 401 | 7.5s | 170 km/h | 15.64s |
| GMC Sierra HD Denali Reserve | 401 | 7.5s | 170 km/h | 15.64s |
| GMC Sierra 3500HD AT4 | 401 | 7.7s | 170 km/h | 15.78s |
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GMC Sierra 2500HD Denali FAQ
What is the GMC Sierra 2500HD Denali 0-60 mph time?
The GMC Sierra 2500HD Denali does 0-60 mph in about 7.0s, based on its 7.5s 0-100 km/h figure.
What is the top speed of the GMC Sierra 2500HD Denali?
The listed top speed is 109 mph, or 175 km/h.
How much horsepower does the GMC Sierra 2500HD Denali have?
The GMC Sierra 2500HD Denali is listed at 401 hp with 1234 Nm of torque.
What is the GMC Sierra 2500HD Denali quarter-mile time?
Carspeed estimates the GMC Sierra 2500HD Denali quarter-mile at 15.60s over 402 m using its published performance data.
What cars are similar to the GMC Sierra 2500HD Denali?
Similar performance rivals include GMC Sierra 2500HD, GMC Sierra 2500HD AT4, GMC Sierra 2500HD Denali Black Edition.