The 2003 GMC Sonoma, the latest model year on record, is 202.4″ long, 68.1″ wide and 63″ tall on a 118.9″ wheelbase, and weighs 3,450 lb. At 16.9 ft it fits a standard garage and leaves 1.1 ft spare in an 18-foot street space.
Every GMC Sonoma generation, measured
The biggest change in length came in 2000, when the new car was 1.9″ longer than the 1994–1999 one. The biggest change in weight came in 1994: 432 lb heavier than before.
| Generation | Length | Width | Height | Wheelbase | Curb weight |
|---|---|---|---|---|---|
| 1991–1993 | 192.9″ | 65″ | 62.6″ | 118.1″ | 3,025 lb |
| 1994–1999 | 202.8″ | 68.1″ | 61.4″ | 118.1″ | 3,457 lb |
| 2000–2003 | 204.7″ | 68.1″ | 63″ | 120.5″ | 3,225 lb |
Sonoma year by year
| Model year | Length | Width | Wheelbase | Curb weight | Body styles |
|---|---|---|---|---|---|
| 2003 | 202.4″ | 68.1″ | 118.9″ | 5 | |
| 2002 | 201.6″ | 68.1″ | 118.9″ | 9 | |
| 2001 | 201.2″ | 68.1″ | 118.5″ | 8 | |
| 2000 | 199.2″ | 68.1″ | 116.5″ | 10 | |
| 1999 | 198.8″ | 68.1″ | 116.1″ | 12 | |
| 1998 | 198.8″ | 68.1″ | 116.1″ | 12 | |
| 1997 | 200″ | 68.1″ | 117.7″ | 12 | |
| 1996 | 198″ | 68.1″ | 116.1″ | 8 | |
| 1995 | 198″ | 68.1″ | 116.1″ | 8 | |
| 1994 | 197.2″ | 68.1″ | 115.4″ | 7 | |
| 1993 | 188.6″ | 65″ | 116.5″ | 6 | |
| 1992 | 188.6″ | 65″ | 116.5″ | 6 | |
| 1991 | 188.6″ | 65″ | 116.5″ | 6 |
Sonoma on the used market
In 143 Sonoma listings we have collected since June 2026, the 2000–2003 car is the most common: 85 of them (59%), at an average asking price of $5,601.
| Generation | Listings | Share | Average asking price | Average mileage |
|---|---|---|---|---|
| 2000–2003 | 85 | 59% | $5,601 | 133,856 mi |
| 1994–1999 | 52 | 36% | $4,546 | 133,647 mi |
| 1991–1993 | 6 | 4% | $3,183 | 171,714 mi |
Will a Sonoma fit
| Space | Typical size | This car | Verdict |
|---|---|---|---|
| Single garage | 20 ft deep | 16.9 ft | Fits, with room to open the door |
| Street parking space | 18 ft | 16.9 ft | Fits comfortably |
| Standard parking bay width | 8.5 ft wide | 5.7 ft | Room to open doors both sides |
Against cars of the same length
Among the 634 cars within 10″ of its length, the Sonoma is lighter than 87% and narrower than 97%.
| Measure | This car | Typical of 634 cars within 10″ of its length | Difference |
|---|---|---|---|
| Width | 68.1″ | 74.8″ | −6.7″ |
| Wheelbase | 118.9″ | 116.5″ | +2.4″ |
| Curb weight | 3,450 lb | 4,314 lb | −864 lb |
Specs vary by trim. Yours decodes from the VIN.
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Frequently asked questions
Is the 2003 Sonoma bigger than the 2002?
Yes: the 2003 model is 0.8″ longer.
Which Sonoma years share the same body?
By our measurements the body changed in 1994 and 2000. Model years inside each range, such as 2000–2003, share the same dimensions; the boundaries are estimated from changes in size.
How much does a used Sonoma cost?
In our listings collected since June 2026, the average asking price runs from $3,183 for the 1991–1993 car to $5,601 for the 2000–2003 one, across 143 listings.
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