2003-2008 Isuzu Ascender: Technical Specifications
Updated: 11/23/08
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Specs for this generation Isuzu Ascender include everything from fuel mileage to seating capacity to options availability.
Vehicle Dimensions
| Specification | Extended 4-door wagon | |
| Wheelbase, in. | 129.0 | |
| Overall Length, in. | 207.6 | |
| Overall Width, in. | 76.1 | |
| Overall Height, in. | 75.5 | |
| Curb Weight, lbs. | 4954 | |
| Cargo Volume, cu. ft. | 107.4 | |
| Standard Payload, lbs. | -- | |
| Fuel Capacity, gals. | 25.0 | |
| Seating Capacity | 7 | |
| Front Head Room, in. | 40.2 | |
| Max. Front Leg Room, in. | 41.4 | |
| Rear Head Room, in. | 39.6 | |
| Max. Rear Leg Room, in. | 37.0 | |
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Specifications Key: NA = not available; "--" = measurement does not exist. |
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Powertrain Options and Availability
Two powertrains have been available in early Ascenders: either a 275-horsepower 4.2-liter inline six-cylinder engine or a 285-horsepower 5.3-liter V8, each mated to a four-speed automatic transmission. For 2005, the V8 gained Displacement on Demand technology and a 300-hp rating. Six-cylinder engines rose to 291 horsepower in 2006. Isuzu's SUV loses its available V8 engine for 2007.
| Engines | cu. in |
Horse- power | Torque | Transmission: |
Consumer Guide Observed |
| dohc I6 | 4.2 / 256 | 291 | 277 | 4-speed automatic: 15/21 | 4-speed automatic: -- |
| ohv V8 | 5.3 / 327 | 285 | 325 | 4-speed automatic: 14/18 | 4-speed automatic: 15.5 |
| dohc I6 | 4.2 / 256 | 275 | 275 | 4-speed automatic: 15/20 | 4-speed automatic: 14.8 |
| ohv V8 | 5.3 / 327 | 300 | 330 | 4-speed automatic: 14/19 | 4-speed automatic: -- |
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Specifications Key: NA = not available; "--" = measurement does not exist. |
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Built In: USA
Drive Wheels: longitudinal front-engine/rear- or 4-wheel drive








