The 2007 Denali's 6.2-liter V8 produces 403 horsepower.
GM rated the 6.2L V8 at 403 horsepower and about 417 lb-ft of torque under SAE net standards, reflecting the engine’s performance in US-market Denali models such as the Escalade, Yukon Denali, and Tahoe Denali. These figures are what buyers and reviewers typically cited when assessing the Denali’s power for highway merging, towing, and overall acceleration.
Engine details and ratings
The 6.2-liter V8 used in the 2007 Denali belongs to GM's larger-displacement V8 lineup and is calibrated to deliver strong, broad-spectrum power for a full-size luxury SUV or pickup. The official figures—403 horsepower and about 417 lb-ft of torque—are SAE net, meaning they account for auxiliary equipment and normal vehicle condition rather than a gross, no-accessories measurement.
What the horsepower figure means
Horsepower is a snapshot of power output at the crank under standard testing conditions. In everyday driving, factors such as vehicle weight, axle ratio, transmission tuning, and drivetrain losses affect how that horsepower translates to actual acceleration and performance.
Model variations in 2007 Denali lineup
In 2007, the Denali trim appeared across several GM luxury-body platforms, including Escalade, Yukon Denali, and Tahoe Denali. All shared the 6.2L V8 configuration and the same general horsepower figure, though individual vehicle options and tuning could influence feel and performance slightly on the road.
Performance context
With 403 hp and a substantial torque figure, the 2007 Denali was designed to deliver confident highway passing, smoother acceleration from a standstill, and adequate towing capability for a class of large, premium SUVs and trucks. The engine paired with the Denali’s luxury features and all-wheel-drive configurations helped position it as a capable, upscale alternative in its segment.
Bottom line
The 2007 Denali’s 6.2-liter V8 delivers 403 horsepower and roughly 417 lb-ft of torque on SAE net ratings, a figure that remained a benchmark for GM’s premium full-size SUVs in that era.
Summary
In brief, if you’re evaluating a 2007 Denali equipped with the 6.2L V8, expect about 403 horsepower and around 417 lb-ft of torque under SAE net standards. This power output supported the Denali’s blend of luxury and capability across its 2007 lineup.
What is the specs of the 2007 GMC Denali 6.2 engine?
The bored-out all-aluminum 6.2-liter engine sports variable cam timing and makes 380 horsepower and 415 pound-feet of torque (a seemingly random 23 horsepower and two pound-feet shy of the '07 Escalade), and the 6L80 six-speed is a simplified transmission design—GM's first "clutch to clutch"—which is roughly the same ...
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Estimated Values
| Condition | Trade-In Value | Private Party Value |
|---|---|---|
| Excellent | $3,950 | $5,775 |
| Very Good | $3,750 | $5,500 |
| Good | $3,500 | $5,175 |
| Fair | $2,900 | $4,400 |
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