Specs

Research 1999 GMC Envoy specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

4dr 4WD

Brakes

Brake ABS System 4-Wheel
Brake Type Power
Rear Drum Diam x Width (in)
Drum - Rear (Yes or )
Rear Brake Rotor Diam x Thickness (in) 11.6 x 0.79
Front Brake Rotor Diam x Thickness (in) 10.82 x 1.14
Disc - Rear (Yes or ) Yes
Disc - Front (Yes or ) Yes
Brake ABS System (Second Line)

Cargo Area Dimensions

Cargo Area Length @ Floor to Console (in)
Cargo Area Length @ Floor to Seat 2 (in) 40.5
Cargo Area Length @ Floor to Seat 1 (in) 74.6
Cargo Volume to Seat 4 (ft³)
Cargo Volume to Seat 3 (ft³)
Cargo Volume to Seat 2 (ft³) 37.3
Cargo Volume to Seat 1 (ft³) 74.1
Cargo Box (Area) Height (in) 34.6
Cargo Box Width @ Wheelhousings (in) 38.1
Cargo Area Width @ Beltline (in) - TBD -
Cargo Area Length @ Floor to Seat 4 (in)
Cargo Area Length @ Floor to Seat 3 (in)

Cooling System

Total Cooling System Capacity (qts) 11.7

Doors

Side Door Type

Electrical

Cold Cranking Amps @ 0° F (Primary) 525
Cold Cranking Amps @ 0° F (2nd)
Maximum Alternator Capacity (amps) 100
Maximum Alternator Watts 1200

Engine

SAE Net Horsepower @ RPM 190 @ 4400
Fuel System SFI
Engine Type Gas V6
SAE Net Torque @ RPM 250 @ 2800
Engine Oil Cooler Yes
Displacement 4.3L/262
Engine Order Code L35

Exterior Dimensions

Length, Overall w/rear bumper (in) 183.8
Wheelbase (in) 107.0
Overhang, Rear w/bumper (in) 42.0
Step Up Height - Side (in)
Step Up Height - Front (in)
Side Door Opening Width (in)
Side Door Opening Height (in)
Rear Door Opening Width (in) - TBD -
Rear Door Opening Height (in) - TBD -
Ground Clearance, Rear (in) 7.5
Ground Clearance, Front (in) 8.3
Ground to Top of Load Floor (in) 29.5
Overhang, Front (in) 34.8
Height, Overall (in) 64.4
Width, Max w/o mirrors (in) 67.8

Frame

Frame Type Ladder

Fuel Tank

Aux Fuel Tank Capacity, Approx (gal)
Aux Fuel Tank Location
Fuel Tank Location Forward of Rear Axle
Fuel Tank Capacity, Approx (gal) 18.0

Interior Dimensions

Front Leg Room (in) 42.4
Second Hip Room (in) 51.3
Second Shoulder Room (in) 57.2
Second Leg Room (in) 36.3
Passenger Capacity 5
Second Head Room (in) 38.1
Front Hip Room (in) 53.6
Front Shoulder Room (in) 57.1
Front Head Room (in) 39.5

Mileage

EPA Fuel Economy Est - City (MPG) 16
EPA Fuel Economy Est - Hwy (MPG) 20

Steering

Steering Ratio (:1), On Center 16.0
Steering Ratio (:1), At Lock 13.0
Turning Diameter - Curb to Curb (ft) 39.5
Turning Diameter - Wall to Wall (ft) 41.2
Steering Type Power

Summary

Vehicle Name GMC Envoy
Vehicle Name GMC Envoy
Body Style 4 Door
Body Code TB4

Suspension

Spring Capacity - Front (lbs) 2800
Suspension Type - Front Torsion Bar
Suspension Type - Rear 2-Stage Multi-Leaf
Spring Capacity - Rear (lbs) 2700
Axle Type - Front Independent Driving
Axle Type - Rear Semi-Floating
Axle Capacity - Front (lbs) 2800
Axle Capacity - Rear (lbs) 2900
Axle Ratio (:1) - Front 3.73
Axle Ratio (:1) - Front 3.42
Axle Ratio (:1) - Rear 3.73
Axle Ratio (:1) - Rear 3.42
Shock Absorber Diameter - Front (mm) 46 de Carbon
Shock Absorber Diameter - Rear (mm) 36 Load-Leveling
Stabilizer Bar Diameter - Front (in) 1.30
Stabilizer Bar Diameter - Rear (in) 0.91

Tires

Rear Tire Size P235/70R15
Front Tire Size P235/70R15
Spare Tire Order Code
Rear Tire Order Code QBF
Front Tire Order Code QBF
Revolutions/Mile @ 45 mph - Rear 743
Revolutions/Mile @ 45 mph - Front 743
Spare Tire Capacity (lbs) 1643
Rear Tire Capacity (lbs) 1643
Front Tire Capacity (lbs) 1643
Spare Tire Size P235/70R15
Revolutions/Mile @ 45 mph - Spare 743

Trailering

Dead Weight Hitch - Max Trailer Wt. (lbs) 3500
Wt Distributing Hitch - Max Trailer Wt. (lbs) 5000
Wt Distributing Hitch - Max Tongue Wt. (lbs) 600
Fifth Wheel Hitch - Max Trailer Wt. (lbs) N/A
Fifth Wheel Hitch - Max Tongue Wt. (lbs) N/A
Dead Weight Hitch - Max Tongue Wt. (lbs) 350

Transmission

Trans Order Code M30
Seventh Gear Ratio (:1)
Transfer Case Power Take Off
Transfer Case Gear Ratio (:1), Low 2.72
Transfer Case Gear Ratio (:1), High 1.00
Transfer Case Model New Process 233
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 Electronic
Trans Description Cont. Automatic w/OD,
Trans Type 4
Drivetrain 4-Wheel Drive

Vehicle

Rear Door Type Liftgate

Weight Information

Gross Vehicle Weight Rating Cap (lbs) 5350
Gross Combined Wt Rating (lbs) 9500
Curb Weight - Rear (lbs) 1753
Curb Weight - Front (lbs) 2335
Gross Axle Wt Rating - Rear (lbs) 2700
Gross Axle Wt Rating - Front (lbs) 2800

Wheels

Spare Wheel Material Steel
Spare Wheel Size (in) 15 x 7
Front Wheel Material Aluminum
Rear Wheel Material Aluminum
Rear Wheel Size (in) 15 x 7
Front Wheel Size (in) 15 x 7