GMC Sierra HD AT4X AEV
The Sierra HD AT4X AEV comes exclusively as a 2500HD crew cab with the standard six-foot-nine-inch bed and four-wheel drive. Both the 401-hp 6.6-liter V-8 gasser with 464 pound-feet of torque and the preferred 470-hp turbocharged 6.6-liter V-8 Duramax diesel powerplant with 975 pound-feet of torque are offered.
The GMC Sierra HD AT4X AEV comes exclusively as a 2500HD crew cab with the standard six-foot-nine-inch bed and four-wheel drive. Both the 401-hp 6.6-liter V-8 gasser with 464 pound-feet of torque and the preferred 470-hp turbocharged 6.6-liter V-8 Duramax diesel powerplant with 975 pound-feet of torque are offered. A 10-speed automatic transmission bolts to either, but the final-drive ratio for the gas engines is 3.73:1 while diesels get 3.42 gearing. Both powertrains slurp from a 36.0-gallon fuel tank.
2024 Ram 2500: What’s New
The heavy-duty 2024 Ram 2500 is largely carryover for the new model year. The only change is the addition of a standard tailgate ajar warning lamp. For 2023, Ram introduced a Rebel off-road trim. It also added the digital rearview mirror, trailer reverse steering control, the Trailer Tow app, and a Mopar performance hood.
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