Size comparison · drawn to scale
Pontiac Bonneville Special vs Fiat 124 Spider I: size comparison
- Length 124 Spider I 33 mm1 in longer
- Height 124 Spider I 14 mm0.6 in taller
Car 1 blue, solid outline
Car 2 coral, dashed outline

Change cars
Zoom in to read the measurements - or see the table below.
Scale about 1:18 on a desktop screen · grid 500 mm1 ft · in Overlay both cars start at the front bumper Side view: dashed lines mark the axles
Dimensions and difference
The Bonneville Special is 33 mm1 in shorter and 14 mm0.6 in lower than the 124 Spider I. Its wheelbase is 230 mm9 in longer.
| Dimension | Bonneville Special | 124 Spider I | Difference, car 1 vs car 2 |
|---|---|---|---|
| Length | 4,021 mm13 ft 2 in13 ft 2 in4,021 mm | 4,054 mm13 ft 4 in13 ft 4 in4,054 mm | −33 mm−1 in −0.8% |
| Width | Not in our catalog yet | 1,740 mm5 ft 9 in5 ft 9 in1,740 mm | - |
| Height | 1,219 mm4 ft 0 in4 ft 0 in1,219 mm | 1,233 mm4 ft 1 in4 ft 1 in1,233 mm | −14 mm−0.6 in −1.1% |
| Wheelbase | 2,540 mm8 ft 4 in8 ft 4 in2,540 mm | 2,310 mm7 ft 7 in7 ft 7 in2,310 mm | +230 mm+9 in +10.0% |
| Kerb weight | Not in our catalog yet | 1,125–1,155 kg2,480–2,546 lb2,480–2,546 lb1,125–1,155 kg | - |
Width without mirrors. Figures come from the catalog version pages; the drawing uses the same numbers. Body outlines are generic for the body type - proportions are exact, styling is not. Weight difference compares the lightest versions.
Garage and parking
A typical single garage is about 5.5 × 3.0 m18 ft 1 in × 9 ft 10 in inside; a parking bay about 5.0 × 2.5 m16 ft 5 in × 8 ft 2 in. Room to open a door: about 600 mm2 ft each side.
124 Spider I
- Single garage
- Fits 1,446 mm4 ft 9 in to spare in length, 630 mm2 ft 1 in each side
- Parking bay
- Tight 946 mm3 ft 1 in to spare in length, 380 mm1 ft 3 in each side
Frequently asked questions
Which is bigger, the Pontiac Bonneville Special or the Fiat 124 Spider I?
The Fiat 124 Spider I is the bigger car by length. The Bonneville Special is 33 mm shorter and 14 mm lower than the 124 Spider I. Its wheelbase is 230 mm longer.
Will the Pontiac Bonneville Special and the Fiat 124 Spider I fit in a standard garage?
In a typical single garage of 5.5 × 3.0 m inside: The Fiat 124 Spider I fits with room to open the doors (1,446 mm to spare in length, 630 mm each side). Widths are without mirrors; check your own garage with our garage checker.
Drawn to one scale
Both cars use the same millimetre grid, so a longer bonnet or a taller roof shows exactly as it is.
Wheels at the real wheelbase
Dashed lines mark the axles. In Overlay both cars start at the front bumper; car 2 has a dashed outline.
Will it fit my garage?
Switch to Top view, or to feet and inches if your garage plan is in feet. Allow about 600 mm (2 ft) for opening the doors.
