In short, the 2007 Yukon with the 6.2-liter V8 is rated at 403 horsepower.
The 6.2L V8 was the top engine option for the Yukon Denali in 2007, delivering strong acceleration and towing capability relative to the standard 5.3L V8 used in other Yukon trims. The figure comes from GM’s official specifications for the model year and is echoed by contemporary automotive reporting.
Engine options and trim alignment
To contextualize the horsepower figure, it helps to know where the 6.2L fits in the Yukon lineup. The Yukon offered a 5.3-liter V8 as the standard choice, while the Denali trim—true to its badge—was equipped with the larger 6.2-liter V8 for higher performance.
Denali 6.2L V8 performance figures
Before listing the numbers, note that the Denali’s output is the primary figure people seek when discussing the 6.2 Yukon. The factory rating for the 2007 model year is:
- Horsepower: 403 hp at 5,600 rpm
- Torque: 417 lb-ft at 4,100 rpm
These numbers reflect the engine’s capability in the Denali-equipped Yukon, offering a noticeable performance advantage over the standard Yukon models with the 5.3L V8. Factors such as emissions controls and testing methods can cause small variations between sources or model-year updates.
Notes on accuracy and year-by-year variation
Power ratings can vary slightly by market and testing standards. For the 2007 Yukon Denali with the 6.2L V8, the commonly cited official figure is 403 horsepower and 417 lb-ft of torque. If you’re verifying a specific vehicle, the window sticker or GM’s official 2007 brochure provides definitive numbers for that exact units.
Summary
Bottom line: the 2007 GMC Yukon Denali equipped with the 6.2-liter V8 delivers 403 horsepower, along with 417 lb-ft of torque. This engine made it the high-performance option within the Yukon lineup for that model year, balancing power with the utility expected of a full-size SUV.
How much horsepower does a 2007 Denali 6.2 have?
380 horsepower
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 ...
Was 2007 a good year for Yukon?
As a whole, consumers found the vehicle's comfort and performance to be its strongest features and value to be its weakest. 345 out of 487 of owners (71% of them) rank the 2007 Yukon five out of five stars. Overall, consumers seem aligned in their opinions of the 2007 GMC Yukon.
What year to stay away from Yukon Denali?
But not every Yukon is created equal. With a reputation for questionable reliability, caution is essential—especially when you're considering a used vehicle. Avoid the most problematic model years, like the 2015 GMC Yukon, and be wary even with luxury trims like the Yukon Denali.
Is the Yukon 6.2 reliable?
Key Reliability Strengths
What exactly makes the Yukon XL a dependable choice? It comes down to the “bones” of the vehicle. Proven Powertrains – The 5.3L and 6.2L EcoTec3 V8 engines have been refined over several generations. These engines are designed for high-mileage durability and constant heavy-duty use.


