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Pontiac Bonneville Specs

Since 1983 the Bonneville has grown 4.3″ in length and gained 516 lb: weight rose 16%, length only 2%.

NHTSA vPIC · Transport Canada · 4 generations · 1983–2005 · Updated Nov 4, 2026
Quick answer

The 2005 Pontiac Bonneville, the latest model year on record, is 202.8″ long, 74.4″ wide and 56.7″ tall on a 112.2″ wheelbase, and weighs 3,691 lb. At 16.9 ft it fits a standard garage and leaves 1.1 ft spare in an 18-foot street space.

Every Pontiac Bonneville generation, measured

The biggest change in length came in 1992, when the new car was 2.0″ longer than the 1987–1991 one. The biggest change in weight came in 2000: 302 lb heavier than before.

FIG.01·Pontiac Bonneville dimensions by generation
GenerationLengthWidthHeightWheelbaseCurb weight
1983–1986198.4″71.7″55.9″108.3″3,175 lb
1987–1991198.8″72″55.5″110.6″3,322 lb
1992–1999200.8″73.6″55.5″111″3,362 lb
2000–2005202.8″74.4″55.9″112.2″3,664 lb
ROWS 4·SOURCE NHTSA vPIC / Transport Canada

Bonneville year by year

FIG.02·Pontiac Bonneville dimensions by model year
Model yearLengthWidthWheelbaseCurb weightBody styles
2005202.8″74.4″112.2″3,691 lb2
2004202.8″74.4″112.2″3,691 lb2
2003202.8″74.4″112.2″3,684 lb2
2002202.8″74.4″112.2″3,664 lb2
2001202.8″74.4″112.2″3,664 lb2
2000202.8″74.4″112.2″3,664 lb2
1999200.4″74.4″110.6″3,516 lb2
1998201.2″74.4″110.6″3,477 lb2
1997201.2″74.4″110.6″3,477 lb2
1996200.4″74.4″110.6″3,477 lb2
1995200.4″74.4″110.6″3,516 lb2
1994200.4″74.4″110.6″3,516 lb2
1993200.8″73.6″111″3,362 lb1
1992200.8″73.6″111″3,362 lb1
1991198.8″72″111″3,565 lb1
1990198.8″72″111″3,565 lb1
1989198.8″72″111″3,303 lb1
1988198.8″72″110.6″3,223 lb1
1987198.8″72″110.6″3,322 lb3
1986200.4″71.7″108.3″3,217 lb1
1985200.4″71.7″108.3″3,210 lb3
1984198.4″71.7″108.3″3,175 lb1
1983198.4″71.7″108.3″3,175 lb1
ROWS 23·SOURCE Transport Canada vehicle specifications

Bonneville on the used market

In 34 Bonneville listings we have collected since June 2026, the 2000–2005 car is the most common: 24 of them (71%), at an average asking price of $4,522.

FIG.05·Pontiac Bonneville generations on the used market
GenerationListingsShareAverage asking priceAverage mileage
2000–20052471%$4,522142,665 mi
1992–19991029%$3,225157,252 mi
ROWS 2·SOURCE ForCar, US used-car listings collected since June 2026

Will a Bonneville fit

FIG.02·Pontiac Bonneville — will it fit
SpaceTypical sizeThis carVerdict
Single garage20 ft deep16.9 ftFits, with room to open the door
Street parking space18 ft16.9 ftFits comfortably
Standard parking bay width8.5 ft wide6.2 ftRoom to open doors both sides
ROWS 3·SOURCE ForCar, computed from vehicle dimensions

Against cars of the same length

FIG.03·Pontiac Bonneville against similar-sized cars
MeasureThis carTypical of 620 cars within 10″ of its lengthDifference
Width74.4″74.8″−0.4″
Wheelbase112.2″116.5″−4.3″
Curb weight3,691 lb4,319 lb−628 lb
ROWS 3·SOURCE ForCar, computed across vehicles of similar length

Bonneville against its rivals

FIG.04·Pontiac Bonneville against its rivals
ModelModel yearLengthWidthCurb weight
Pontiac Bonneville (this car)2005202.8″74.4″3,691 lb
Cadillac Deville2005207.1″74.4″3,977 lb
Buick LeSabre2005200″73.6″3,567 lb
Buick Park Avenue2005206.7″74.8″3,869 lb
ROWS 4·SOURCE NHTSA vPIC / Transport Canada; rivals: same EPA class and body, most searched
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Everything on the Pontiac Bonneville
Recalls21 campaignsFuel economy21 mpg bestReliability3.5/5Common problems1,633 complaintsCheck a VINAgainst this exact buildCargo space18 cu ftUsed prices58 listingsWindow stickerOriginal Monroney labelDecode a VINWhat each character meansAbout this car1984–2005

Frequently asked questions

Is the 2005 Bonneville bigger than the 2004?

No. The 2005 and 2004 Bonneville are the same size and weight.

Which Bonneville years share the same body?

By our measurements the body changed in 1987, 1992 and 2000. Model years inside each range, such as 2000–2005, share the same dimensions; the boundaries are estimated from changes in size.

Which is bigger, the Bonneville or the Cadillac Deville?

The 2005 Cadillac Deville is 4.3″ longer and 286 lb heavier than the 2005 Bonneville.

How much does a used Bonneville cost?

In our listings collected since June 2026, the average asking price runs from $3,225 for the 1992–1999 car to $4,522 for the 2000–2005 one, across 34 listings.

Dimensions from NHTSA vPIC and Transport Canada vehicle records, manufacturer-declared for 23 Bonneville model years, 1983 to 2005. Metric values converted to inches and pounds; generation boundaries are estimated from changes in size (how we measure). Last updated Nov 2026. — ForCar Reviewed by , founder of ForCar.
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