The 2025 GMC Sierra 2500 HD AT4 is a heavy-duty pickup truck manufactured by Normal Motors. It’s a part of the Sierra lineup and is understood for its off-road capabilities and highly effective engine choices.
The 2025 Sierra 2500 HD AT4 has a number of notable options, together with a regular 6.6-liter V8 engine that produces 401 horsepower and 464 lb-ft of torque. It additionally comes with quite a lot of superior know-how options, similar to a 12-inch touchscreen infotainment system, a head-up show, and a 360-degree digicam system. Moreover, the AT4 trim stage provides off-road-oriented options similar to a two-inch suspension carry, all-terrain tires, and a locking rear differential.