Specs

Research 2008 GMC Envoy specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

SLE1 2WD 4dr SLE1

Brakes

Front Brake Rotor Diam x Thickness (in) 12.0 x 1.14
Disc - Rear (Yes or ) Yes
Brake Type Pwr
Brake ABS System 4-Wheel
Disc - Front (Yes or ) Yes
Brake ABS System (Second Line)
Rear Drum Diam x Width (in)
Drum - Rear (Yes or )
Rear Brake Rotor Diam x Thickness (in) 12.8 x 0.78

Cargo Area Dimensions

Cargo Area Length @ Floor to Seat 1 (in) 70.0
Cargo Area Length @ Floor to Console (in)
Cargo Volume to Seat 2 (ft³) 43.7
Cargo Area Width @ Beltline (in)
Cargo Box Width @ Wheelhousings (in) 46.1
Cargo Box (Area) Height (in) 39.6
Cargo Volume to Seat 1 (ft³) 80.1
Cargo Volume to Seat 2 (ft³)
Cargo Area Length @ Floor to Seat 4 (in)
Cargo Area Length @ Floor to Seat 3 (in)
Cargo Area Length @ Floor to Seat 2 (in) 39.7
Cargo Volume to Seat 4 (ft³)
Cargo Volume to Seat 3 (ft³)

Cooling System

Total Cooling System Capacity (qts) 13.9

Doors

Side Door Type

Electrical

Maximum Alternator Watts
Cold Cranking Amps @ 0° F (Primary) 600
Cold Cranking Amps @ 0° F (2nd)
Maximum Alternator Capacity (amps) 150

Engine

SAE Net Torque @ RPM 276 @ 4600
Engine Type Gas I6
Engine Order Code LL8
Engine Oil Cooler
Displacement 4.2L/254
Fuel System SFI
SAE Net Horsepower @ RPM 285 @ 6000

Exterior Dimensions

Ground Clearance, Front (in) 8.0
Overhang, Rear w/bumper (in) - TBD -
Overhang, Front (in) - TBD -
Height, Overall (in) 71.9
Width, Max w/o mirrors (in) 74.7
Length, Overall w/rear bumper (in) 191.6
Wheelbase (in) 113.0
Step Up Height - Side (in)
Side Door Opening Width (in)
Step Up Height - Front (in)
Side Door Opening Height (in)
Ground to Top of Load Floor (in) 32.1
Rear Door Opening Width (in)
Rear Door Opening Height (in)
Ground Clearance, Rear (in) - TBD -

Frame

Frame Type Ladder

Fuel Tank

Aux Fuel Tank Capacity, Approx (gal)
Aux Fuel Tank Location
Fuel Tank Location
Fuel Tank Capacity, Approx (gal) 22

Interior Dimensions

Second Leg Room (in) 37.0
Second Shoulder Room (in)
Second Shoulder Room (in) 58.5
Passenger Capacity 2
Passenger Capacity 5
Second Hip Room (in)
Second Hip Room (in) 58.1
Second Leg Room (in)
Second Head Room (in) 39.6
Second Head Room (in)
Front Hip Room (in) 55.5
Front Shoulder Room (in) 58.5
Front Leg Room (in) 41.4
Front Head Room (in) 40.2

Mileage

EPA Fuel Economy Est - City (MPG) 14
EPA Fuel Economy Est - Hwy (MPG) 20

Steering

Steering Ratio (:1), At Lock 20.4
Turning Diameter - Wall to Wall (ft) - TBD -
Steering Type Pwr Rack & Pinion
Steering Ratio (:1), On Center 20.4
Turning Diameter - Curb to Curb (ft) 36.4

Summary

Body Style 4 Door
Body Code TB4
Vehicle Name GMC Envoy

Suspension

Suspension Type - Rear Coil
Suspension Type - Front Coil
Spring Capacity - Front (lbs) 3100
Spring Capacity - Rear (lbs) 3200
Axle Type - Front Independent
Axle Type - Rear Semi-floating
Axle Capacity - Front (lbs) 2950
Axle Capacity - Rear (lbs) 3200
Axle Ratio (:1) - Front
Axle Ratio (:1) - Rear 3.73
Axle Ratio (:1) - Rear 3.42
Shock Absorber Diameter - Front (mm) 46
Shock Absorber Diameter - Rear (mm) 36
Stabilizer Bar Diameter - Front (in) 1.34
Stabilizer Bar Diameter - Rear (in) 0.94

Tires

Revolutions/Mile @ 45 mph - Spare - TBD -
Spare Tire Order Code ZNF
Rear Tire Order Code QTM
Front Tire Order Code QTM
Revolutions/Mile @ 45 mph - Rear - TBD -
Revolutions/Mile @ 45 mph - Front - TBD -
Spare Tire Capacity (lbs) - TBD -
Rear Tire Capacity (lbs) 1793
Front Tire Capacity (lbs) 1793
Spare Tire Size P235/75R16
Rear Tire Size P245/65R17
Front Tire Size P245/65R17

Trailering

Dead Weight Hitch - Max Tongue Wt. (lbs) 500
Wt Distributing Hitch - Max Trailer Wt. (lbs) 5300
Wt Distributing Hitch - Max Tongue Wt. (lbs) 870
Wt Distributing Hitch - Max Tongue Wt. (lbs) 795
Dead Weight Hitch - Max Trailer Wt. (lbs) 5000
Fifth Wheel Hitch - Max Tongue Wt. (lbs)
Fifth Wheel Hitch - Max Trailer Wt. (lbs)
Wt Distributing Hitch - Max Trailer Wt. (lbs) 5800

Transmission

Drivetrain Rear Wheel Drive
Transfer Case Power Take Off
Transfer Case Gear Ratio (:1), Low
Transfer Case Gear Ratio (:1), High
Transfer Case Model
Trans PTO Access
Trans Power Take Off
Clutch Size (in)
Reverse Ratio (:1) 2.29
Sixth Gear Ratio (:1)
Fifth Gear Ratio (:1)
Fourth Gear Ratio (:1) 0.70
Third Gear Ratio (:1) 1.00
Second Gear Ratio (:1) 1.63
First Gear Ratio (:1) 3.06
Trans Description Cont. Again
Trans Description Cont. Automatic w/OD
Trans Type 4
Trans Order Code M30

Vehicle

Rear Door Type Liftgate

Weight Information

Gross Combined Wt Rating (lbs) 10500
Gross Combined Wt Rating (lbs) 10000
Gross Vehicle Weight Rating Cap (lbs) 5550
Curb Weight - Rear (lbs) 2016
Curb Weight - Front (lbs) 2300
Gross Axle Wt Rating - Rear (lbs) 3200
Gross Axle Wt Rating - Front (lbs) 2950

Wheels

Rear Wheel Size (in) 17 x 7
Spare Wheel Size (in) 16 x - TBD -
Front Wheel Material Aluminum
Rear Wheel Material Aluminum
Spare Wheel Material Steel
Front Wheel Size (in) 17 x 7