2003 HUMMER H1 4-Passenger Open Top Hard Doors Specs

4-Passenger Open Top Hard Doors
MSRP based on 4-Passenger Open Top Hard Doors

Quick Specs

Engine Turbo Diesel V8, 6.5L
EPA Class No Data
Style Name 4-Passenger Open Top Hard Doors
Drivetrain Four Wheel Drive
Passenger Capacity 4
Passenger Doors 4
Body Style Sport Utility
Transmission HD 4-speed automatic transmission w/OD


Rear Door Type N/A
Weight Information
Gross Vehicle Weight Rating Cap (lbs) 10,300
Curb Weight - Front (lbs) 3748
Gross Axle Wt Rating - Front (lbs) 4100
Gross Combined Wt Rating (lbs) 15,300
Curb Weight - Rear (lbs) 3066
Gross Axle Wt Rating - Rear (lbs) 6800
Interior Dimensions
Second Leg Room (in) 29.9
Front Hip Room (in) 23.1
Front Leg Room (in) 44.1
Second Shoulder Room (in) 77.1
Passenger Capacity 4
Second Head Room (in) 42.9
Front Shoulder Room (in) 77.1
Second Hip Room (in) 22.4
Front Head Room (in) 44.4
Exterior Dimensions
Ground to Top of Load Floor (in) - TBD -
Side Door Opening Height (in) - TBD -
Overhang, Front (in) N/A
Rear Door Opening Height (in) - TBD -
Step Up Height - Side (in) - TBD -
Width, Max w/o mirrors (in) 86.5
Ground Clearance, Front (in) 16.0
Side Door Opening Width (in) - TBD -
Wheelbase (in) 130.0
Overhang, Rear w/bumper (in) - TBD -
Rear Door Opening Width (in) - TBD -
Height, Overall (in) 77.0
Ground Clearance, Rear (in) 16.0
Step Up Height - Front (in) - TBD -
Length, Overall w/rear bumper (in) 184.5
Cargo Area Dimensions
Cargo Box Width @ Wheelhousings (in) - TBD -
Cargo Volume to Seat 4 (ft³) - TBD -
Cargo Area Length @ Floor to Seat 4 (in) NA
Cargo Volume to Seat 2 (ft³) - TBD -
Cargo Area Length @ Floor to Seat 2 (in) 44.0
Cargo Box (Area) Height (in) - TBD -
Cargo Area Length @ Floor to Console (in) - TBD -
Cargo Area Width @ Beltline (in) - TBD -
Cargo Volume to Seat 3 (ft³) - TBD -
Cargo Area Length @ Floor to Seat 3 (in) NA
Cargo Volume to Seat 1 (ft³) - TBD -
Cargo Area Length @ Floor to Seat 1 (in) 76.5

Fuel Economy

Fuel Tank
Fuel Tank Location Mid-ship
Fuel Tank Capacity, Approx (gal) 25
Aux Fuel Tank Location Behind Rear Axle
Aux Fuel Tank Capacity, Approx (gal) 17
EPA Fuel Economy Est - City (MPG) N/A
EPA Fuel Economy Est - Hwy (MPG) N/A

Performance Specs

Engine Oil Cooler Yes
SAE Net Horsepower @ RPM 195 @ 3400
Displacement 6.5L/396
Engine Order Code TZA
SAE Net Torque @ RPM 430 @ 1800
Fuel System EFI
Engine Type Turbo Diesel V8
Second Gear Ratio (:1) 1.48
Reverse Ratio (:1) 2.08
Transfer Case Gear Ratio (:1), High 1.00
Trans Description Cont. Again NA
Fifth Gear Ratio (:1) NA
Trans PTO Access NA
Seventh Gear Ratio (:1) NA
Trans Type 4
Third Gear Ratio (:1) 1.00
Clutch Size (in) NA
Transfer Case Gear Ratio (:1), Low 2.72
Drivetrain 4-Wheel Drive
First Gear Ratio (:1) 2.48
Sixth Gear Ratio (:1) NA
Transfer Case Model New Venture #242
Trans Description Cont. HD Automatic w/OD
Fourth Gear Ratio (:1) 0.75
Trans Power Take Off NA
Transfer Case Power Take Off NA
Trans Order Code 4L80-E
Rear Brake Rotor Diam x Thickness (in) 10.5 x - TBD -
Disc - Rear (Yes or ) Yes
Brake ABS System (Second Line) NA
Drum - Rear (Yes or ) NA
Brake Type Pwr
Front Brake Rotor Diam x Thickness (in) 10.5 x - TBD -
Disc - Front (Yes or ) Yes
Rear Drum Diam x Width (in) NA
Brake ABS System Yes
Turning Diameter - Wall to Wall (ft) - TBD -
Steering Ratio (:1), At Lock 16
Steering Type Power Variable Ratio
Turning Diameter - Curb to Curb (ft) - TBD -
Steering Ratio (:1), On Center 13
Front Tire Capacity (lbs) - TBD -
Revolutions/Mile @ 45 mph - Spare NA
Rear Tire Size 37X12.5R17
Revolutions/Mile @ 45 mph - Front - TBD -
Spare Tire Order Code NA
Rear Tire Capacity (lbs) - TBD -
Front Tire Order Code NA
Spare Tire Size NA
Revolutions/Mile @ 45 mph - Rear - TBD -
Front Tire Size 37X12.5R17
Spare Tire Capacity (lbs) NA
Rear Tire Order Code NA
Rear Wheel Material Aluminum
Spare Wheel Size (in) NA
Front Wheel Size (in) 17 x -TBD-
Spare Wheel Material NA
Front Wheel Material Aluminum
Rear Wheel Size (in) 17 x -TBD-
Axle Capacity - Front (lbs) - TBD -
Shock Absorber Diameter - Rear (mm) - TBD -
Axle Type - Front Indep Dbl A-Frame
Axle Ratio (:1) - Rear 2.56
Spring Capacity - Front (lbs) - TBD -
Axle Capacity - Rear (lbs) - TBD -
Stabilizer Bar Diameter - Front (in) - TBD -
Suspension Type - Front Coil Spring
Axle Type - Rear Indep Dbl A-Frame
Shock Absorber Diameter - Front (mm) - TBD -
Spring Capacity - Rear (lbs) - TBD -
Axle Ratio (:1) - Front 2.56
Stabilizer Bar Diameter - Rear (in) - TBD -
Suspension Type - Rear Coil Spring

Safety Features

Air Bag-Frontal-Driver No
Air Bag-Frontal-Passenger No
Air Bag-Passenger Switch (On/Off) No
Air Bag-Side Body-Front No
Air Bag-Side Body-Rear No
Air Bag-Side Head-Front No
Air Bag-Side Head-Rear No
Brakes-ABS Yes
Child Safety Rear Door Locks No
Daytime Running Lights No
Traction Control Yes
Night Vision No
Rollover Protection Bars No
Fog Lamps No
Parking Aid No
Tire Pressure Monitor Yes
Back-Up Camera No
Stability Control No
Other Features 4-wheel anti-lock brakes
3-point seat belts for all seating positions
TT4 traction control system
Side door impact beams


Basic Miles/km 36,000
Basic Years 3
Corrosion Miles/km 100,000
Corrosion Years 6
Drivetrain Miles/km 36,000
Drivetrain Years 3

Other Specs

Cooling System
Total Cooling System Capacity (qts) 26
Maximum Alternator Capacity (amps) 124
Cold Cranking Amps @ 0° F (Primary) 600
Maximum Alternator Watts - TBD -
Cold Cranking Amps @ 0° F (2nd) 600
Fifth Wheel Hitch - Max Trailer Wt. (lbs) N/A
Wt Distributing Hitch - Max Trailer Wt. (lbs) NA
Dead Weight Hitch - Max Trailer Wt. (lbs) 5000
Fifth Wheel Hitch - Max Tongue Wt. (lbs) N/A
Wt Distributing Hitch - Max Tongue Wt. (lbs) NA
Dead Weight Hitch - Max Tongue Wt. (lbs) 500
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