 Thundering 367 horsepower @ 5500 rpm |
 375 lb.-ft. of torque @ 4300 rpm |
| More horsepower than any half-ton engine offered by Ford, Dodge or Nissan(1) |
| EPA estimated MPG 13 city/18 highway in 2WD models |
| EPA estimated MPG 13 city/17 highway in 4x4 models |
| High-speed air movement deep inside the combustion chamber, which generates a better fuel-to-air mixture |
| Variable Valve Timing (VVT) technology that optimizes combustion, enhances low-end torque and high-end power, promotes fuel efficiency, and helps lower emissions |
| A cast-iron crankshaft with undercut and rolled fillets |
| High-flow cast-aluminum cylinder heads that feature a low-friction roller-rocker valvetrain |
| Electronic Throttle Control that provides outstanding throttle response, greater reliability and improved efficiency |
| A fast, smart Engine Control Module with plenty of memory synchronizes the multitude of engine operations that occur every split second |
| Hydraulic engine mounts for improved vibration isolation |
| A coil-near-plug ignition system for a precise delivery of high-energy spark |
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| 1 Based on 2008 GM Large Pickup segment and latest available competitive information. |
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