1990-1998 GMC Sierra: Overview
Updated: 11/23/08
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Pros
- Acceleration (V8)
- Visibility
- Passenger and cargo room
- Antilock brakes (later models)
- Trailer-towing capability
Cons
- Fuel economy
- Ride
- Climate controls (early)
- Noise
Vehicle Highlights
GMC's Sierra and the nearly identical Chevrolet C/Ks had been redone as early 1988 models, in three series: 1500 (1/2 ton), 2500 (3/4 ton), and 3500 (1-ton). C pickups were 2-wheel drive; K indicated Insta-Trac part-time 4WD. Models without flared rear fenders were called Wideside, models with flared rear fenders Sportside. The short-bed had a 117.5-inch wheelbase and 6.5-foot bed. Long-bed trucks rode a 131.5-inch wheelbase with 8-foot bed. Extended-cab models had a 141.5-inch wheelbase with 6.5-foot bed, or a 155.5-inch wheelbase with 8-foot bed.The 6-passenger extended-cab (2500 only) had two full-width bench seats. A folding bench was available in other extended-cabs. Others got a 3-place bench seat or two buckets. Base engine was a 4.3-liter V6, making 160 horsepower. Options included 5.0- and 5.7-liter gasoline V8s, and a 6.2-liter diesel. All models had antilock rear brakes, and either manual shift or an automatic transmission.
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Expert Ratings Summary (view detailed report)
| Category | GMC Sierra 1500 5.0-liter ext. cab Rating | |
|---|---|---|
| Performance | 4 | |
| Fuel Economy | 2 | |
| Ride Quality | 3 | |
| Steering/Handling/Braking | 3 | |
| Quietness | 3 | |
| Controls/Materials | 4 | |
| Interior Room | 6 | |
| Room/Comfort (rear) | 2 | |
| Cargo Capacity | 2 | |
| Value within Class | 5 | |
| Total Score: | 34 |








