
First 2024 Duramax on the Dyno
All-New 2024 Duramax L5P Dyno Tested: Power Gains & Real-World Performance
Gearheads, the wait is over! We’ve got the first 2024 Duramax GMC Sierra Denali 3500 HD on the dyno, putting GM’s claimed power increase to the test. See how much torque this beast REALLY delivers and learn why peak horsepower isn’t everything when it comes to towing and hauling. Plus, a sneak peek at the stunning new interior and Banks Power’s growing line of performance parts for the L5P. Watch Now!