Engines

Trim Levels Horsepower Torque
(lb-ft.)
SLE(3SB
pkg.)
SLT(4SA
pkg.)
Vortec 4.2L I6 Standard Standard 285 276

Mechanical

  SLE SLT
3SB
  pkg.
4SA
  pkg.
Alternator, 150 amps Standard Standard
Battery, heavy duty, 600 cold-cranking amps, maintenance-free, includes rundown protection and retained accessory power Standard Standard
Brakes, 4-wheel antilock, 4-wheel disc Standard Standard
Engine block heater (4WD models only) Available Available
Exhaust, aluminized stainless-steel muffler and tailpipe Standard Standard
StabiliTrak, stability control system with traction control Standard Standard
Transfer case, electronic Autotrac, includes auto 4WD and panel-mounted electronic controls (4WD models only) Standard Standard
Transmission, 4-speed automatic, electronically controlled with overdrive Standard Standard

Transmission

  SLE SLT
3SB
  pkg.
4SA
  pkg.
Rear axle, 3.42 ratio Standard Standard
Rear axle, 3.73 ratio Available Available
Transmission, 4-speed automatic, electronically controlled with overdrive Standard Standard

Steering

Turning Diameter  Envoy
Turning diameter, curb-to-curb, ft 36.4
Features  SLE SLT
3SB
  pkg.
4SA
  pkg.
Differential, locking, heavy duty, rear Available Available
StabiliTrak, stability control system with traction control Standard Standard
Suspension, Luxury Ride, includes 1.81" high-pressure gas shocks, urethane front and rear jounce bumpers, and front and rear stabilizer bars Standard Standard
Transfer case, electronic Autotrac, includes auto 4WD and panel-mounted electronic controls (requires 4WD) Standard Standard

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