1994-2004 GMC Sonoma: Technical Specifications
Updated: 11/23/08
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Specs for this generation GMC Sonoma include everything from fuel mileage to seating capacity to options availability.
Vehicle Dimensions
| Specification | crew cab | ext. cab | reg. cab long bed | reg. cab short bed |
| Wheelbase, in. | 122.9 | 122.9 | 117.9 | 108.3 |
| Overall Length, in. | 205.3 | 203.7 | 205.0 | 189.0 |
| Overall Width, in. | 67.8 | 67.9 | 67.9 | 67.9 |
| Overall Height, in. | 63.4 | 62.2 | 62.1 | 62.1 |
| Curb Weight, lbs. | 4039 | 3168 | 2983 | 2930 |
| Cargo Volume, cu. ft. | -- | -- | -- | -- |
| Standard Payload, lbs. | 1111 | 1461 | 1727 | 1667 |
| Fuel Capacity, gals. | 18.0 | 20.0 | 20.0 | 20.0 |
| Seating Capacity | 5 | 5 | 3 | 3 |
| Front Head Room, in. | 39.6 | 39.5 | 39.5 | 39.5 |
| Max. Front Leg Room, in. | 42.4 | 43.2 | 43.2 | 43.2 |
| Rear Head Room, in. | 38.2 | -- | -- | -- |
| Max. Rear Leg Room, in. | 34.6 | -- | -- | -- |
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Specifications Key: NA = not available; "--" = measurement does not exist. |
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Powertrain Options and Availability
Sonomas had a choice of three engines: 2.2-liter 4-cylinder, 165-horsepower 4.3-liter V6, and an "enhanced" 4.3-liter V6 that delivered 30 extra horsepower. In 1995, the 4.3-liter dipped from 165 to 155 horsepower, while the "enhanced" version dropped to 191. For '96, the revised 4.3-liter Vortec V6 jumped to 180 horsepower (but just 170 horses with 2WD, where the V6 was an option). A high-output version now made 190 horsepower with 4WD or 180 with 2WD. In 1997, the regular V6 was rated at 180 horsepower with 4WD, or 175 with 2WD. Those ratings grew to 190 and 180, respectively, for 2000. Most Sonomas could have 5-speed manual shift, or an electronic 4-speed automatic transmission.
| Engines | cu. in |
Horse- power | Torque | Transmission: |
Consumer Guide Observed |
| ohv V6 | 4.3 / 262 | 180-195 | 245-260 | 5-speed manual: 18/25 4-speed automatic: 20/24 |
5-speed manual: -- 4-speed automatic: 18 |
| ohv I4 | 2.2 / 134 | 118-120 | 130-140 | 5-speed manual: 23/30 4-speed automatic: 20/27 |
5-speed manual: 22.3 4-speed automatic: -- |
| ohv V6 | 4.3 / 262 | 155-180 | 235-245 | 5-speed manual: 18/25 4-speed automatic: 19/24 |
5-speed manual: -- 4-speed automatic: 18.4 |
|
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
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