GMC Sierra 2500 Engine

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GMC Sierra 2500 series trucks are built for both work and play. The engines for the Sierra are the exact same as what the Chevrolet truck and Suburban use. The latest generation of Sierra trucks have really gotten serious upgrades in the powertrain department. The 5.3 liter engines used have variable cylinder used by controlling spark and fuel.



The big dog Sierra engine is the Duramax diesel. GM has made lots of improvements over the years increasing horsepower, torque and fuel efficiency. The new Garrett turbocharger and new Bosch fuel injector pump and helped ratchet up the power for this beast of an engine. The newest transmission is an Allision unit and is almost impossible to tear up.

Listed below are the engines used for the GMC Sierra 2500 truck :

Vortec 4300 (4.3 L)
V6 Vortec 4800 (4.8 L)
V8 Vortec 5300 (5.3 L)
V8 Vortec 6000 (6.0 L)
V8 Vortec 8100 (8.1 L)
V8 6.0 L Vortec 6000 V8
8.1 L Vortec 8100 V8
6.6 L Duramax V8
4.3 L V6 195 hp (145 kW)
4.8 L V8 295 hp (220 kW)
5.3 L V8 315 hp (235 kW)
6.0 L V8 360 hp (268 kW)
6.2 L V8 403 hp (301 kW)