- GM’s Vortec 5300 5.3L V8 is standard on all half-ton models. It delivers 295 hp and 330 lb.-ft. of torque. This flexible-fuel engine can run on either unleaded gasoline or a blend of up to 85 percent ethanol.
- GM’s Vortec 6000 6.0L V8 is standard on all 3/4-ton Suburban models. It generates 325 hp and 365 lb.-ft. of torque.
- GM’s Vortec 8100 8.1L V8 is available on 2500 series 3/4-ton models, with 320 hp and 440 lb.-ft. of torque.
Three different four-speed automatic transmissions with electronic controls and tow/haul modes are available, depending on your engine choice.
2005 Chevy Suburban, New Features
- Fuel economy has been boosted by about 1 mpg
- 2WD half-ton model available on Z71 off-road package
- Touch-screen navigation radio available
- OnStar driver safety and security system, featuring Gen 6 hardware with analog/digital coverage and upgraded hands-free capabilities, standard on all equipment groups
- Rear liftgate with flip-up rear glass is standard on all models
- Rear axle ratio changes: 3.42 ratio standard on half-ton models only; 3.73 ratio standard on 3/4-ton models only
- Revised interior trim for LS and LT models
- 160-amp alternator standard on half-ton models only; 145-amp alternator standard on 3/4-ton models only
- Revised tire pressure monitoring system with individual tire alert system is now available on 3/4-ton models (does not include spare tire)
- Redesigned assist steps for improved aerodynamics and durability
- 17-inch 5-spoke aluminum wheels included on LT package
- Engine oil cooler included and only available with 3/4-ton models with Vortec 8100 V-8
- Transmission oil cooler included and only available with trailering equipment or 3/4-ton models
- Two new exterior colors: Sandstone Metallic, Bermuda Blue Metallic
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