Sierra 2500HD AT4 vs Sierra 2500HD
GMC · GMC
The verdict
In a quarter-mile drag race, the Sierra 2500HD beats the Sierra 2500HD AT4 by a hair, finishing 0.03 seconds ahead. It's tight on paper, but our simulator gives the edge to the Sierra 2500HD thanks to a slightly better power-to-weight balance.
Spec head-to-head
Simulated race times
Acceleration curves
Who should buy which?
If budget is the deciding factor, the Sierra 2500HD is the obvious pick at $43,900 versus the Sierra 2500HD AT4's $70,000. Both are formidable. The Sierra 2500HD AT4 suits buyers who prioritise raw power; the Sierra 2500HD appeals to those after the bigger output.
FAQ
Which is faster, the Sierra 2500HD AT4 or the Sierra 2500HD?
In our simulated 1/4 mile drag race, the Sierra 2500HD is faster, beating the Sierra 2500HD AT4 by 0.03 seconds.
What is the 0–100 km/h time of the Sierra 2500HD AT4 vs the Sierra 2500HD?
The Sierra 2500HD AT4 hits 100 km/h in 7.5 seconds, while the Sierra 2500HD does it in 7.5 seconds.
How much horsepower does each car have?
The Sierra 2500HD AT4 produces 401 hp; the Sierra 2500HD produces 401 hp.
What are the top speeds?
The Sierra 2500HD AT4 tops out at 170 km/h, and the Sierra 2500HD reaches 175 km/h.
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