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Road Test: 2006 Alpha Hummer H1
| 2006 Hummer H1 Alpha | | General | | Location of final assembly | Mishawaka, Indiana | | Body style | Four-door, four-pass wagon | | EPA size class | Full-size SUV | | Drivetrain layout | Front engine, 4WD | | Airbags | None | | Powertrain | | Engine type | 90o V-8, cast-iron block, alum heads | | Bore x stroke, in | 4.06 x 3.90 | | Displacement, ci/L | 403/6.6 | | Compression ratio | 17.5:1 | | Valve gear | OHV, 2 valves/cyl | | Fuel induction | Direct injection, high-pressure common-rail | | SAE horsepower, hp @ rpm | 300 @ 3000 | | SAE torque, lb-ft @ rpm | 520 @ 1500 | | Transmission type | Allison 1000 5-speed auto | | 1st | 3.10:1 | | 2nd | 1.81:1 | | 3rd | 1.41:1 | | 4th | 1.00:1 | | 5th | 0.71:1 | | Reverse | 4.49:1 | | Axle ratio | 2.56:1 | | Geared-hub ratio | 1.92:1 | | Final-drive ratio | 3.49:1 | | Transfer-case model | NVG 242 | | Low-range ratio | 2.72:1 | Crawl ratio
(1st x axle
gears x low
range) | 41.4:1 | | Recommended fuel | Diesel #2 | | Dimensions/Capacities | | Wheelbase, in | 130.0 | | Length, in | 184.5 | | Width, in | 86.5 | | Height, in | 77.0 | | Track, f/r, in | 71.6/71.6 | | Headroom, f/r, in | 41.6/40.0 | | Legroom, f/r, in | 38.1/29.9 | | Shoulder room, f/r, in | 77.1/77.7 | | Total cargo area volume, cu ft | 58.3 | | Ground clearance, in | 16.0 | | Approach/departure angle, deg | 72.0/38.0 | | Breakover angle, deg | 32.5 | | Grade capability, deg | 31.0 | | Side-slope capability, deg | 22.0 | | Fording depth, in | 30.0 | | Base curb weight, lb | 7558 | | Payload capacity, lb | 2742 | | GVWR, lb | 10,300 | | GCWR, lb | 17,300 | | Towing capacity, lb | 7000 | | Fuel capacity, gal | 29.5 + 22.0 | | Chassis | | Suspension, f/r | IFS, double A-arm, coil springs/IRS, double A-arm, coil springs | | Steering type | Hydraulic power assist | | Ratio Variable | 13/16:1 | | Turns, lock to lock | 2.5 | | Turning circle, ft | 26.5 | | Brakes, f/r | 12.0-in inboard mounted discs/12.0-in inboard mounted discs | | Wheels | 17x10.0-in cast-aluminum run-flat rims | | Tires | 37x12.50R17LT Goodyear Wrangler GSA | | Inflation control | Central Tire Inflation Systemwith on-board compressor | | Load/speed rating | 129Q | | EPA fuel economy, city/hwy | N/A | | Price | | Base price | $126,000 | | Price as tested | $129,855 |
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