Hennessey has just unveiled its latest beast: it is the 2025 GMC Yukon Denali Ultimate with 600 horsepower, almost 200 over the stock version ...

The GMC Yukon has a long history as a full-size SUV ... Engine options included a 5.3-liter V-8, 6.2-liter V-8 and a turbo-diesel 3.0-liter six-cylinder. A mid-cycle refresh for 2025 brought ...

If 420 horses from a naturally aspirated 6.2-liter small block are not enough, Hennessey can supercharger your 2025 GMC Yukon to 600 ponies ...

Your message was sent. You'll receive a response shortly. Use our comparison tool to look at this model side-by-side with other vehicles or view the full specifications list . About 15 years ago ...