Size comparison · drawn to scale
Smart Forfour W453 vs Peugeot 108 I: size comparison
- Length Forfour W453 20 mm0.8 in longer
- Width Forfour W453 50 mm2 in wider
- Height Forfour W453 94 mm4 in taller
- Boot 108 I 11 L0.4 cu ft more
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 1:20 on a desktop screen · grid 500 mm1 ft · in Overlay both cars start at the front bumper Side view: dashed lines mark the axles Front view: width without mirrors Top view: footprint on the road
Dimensions and difference
The Forfour W453 is 20 mm0.8 in longer, 50 mm2 in wider and 94 mm4 in taller than the 108 I. Its wheelbase is 152 mm6 in longer.
| Dimension | Forfour W453 | 108 I | Difference, car 1 vs car 2 |
|---|---|---|---|
| Length | 3,495 mm11 ft 6 in11 ft 6 in3,495 mm | 3,475 mm11 ft 5 in11 ft 5 in3,475 mm | +20 mm+0.8 in +0.6% |
| Width | 1,665 mm5 ft 6 in5 ft 6 in1,665 mm | 1,615 mm5 ft 4 in5 ft 4 in1,615 mm | +50 mm+2 in +3.1% |
| Height | 1,554 mm5 ft 1 in5 ft 1 in1,554 mm | 1,460 mm4 ft 9 in4 ft 9 in1,460 mm | +94 mm+4 in +6.4% |
| Wheelbase | 2,492 mm8 ft 2 in8 ft 2 in2,492 mm | 2,340 mm7 ft 8 in7 ft 8 in2,340 mm | +152 mm+6 in +6.5% |
| Footprint | 5.82 m²62.6 sq ft62.6 sq ft5.82 m² | 5.61 m²60.4 sq ft60.4 sq ft5.61 m² | +0.21 m²+2.2 sq ft +3.7% |
| Boot | 185 L6.5 cu ft6.5 cu ft185 L | 196 L6.9 cu ft6.9 cu ft196 L | −11 L−0.4 cu ft −5.6% |
| Kerb weight | 995–1,200 kg2,194–2,646 lb2,194–2,646 lb995–1,200 kg | 915 kg2,017 lb2,017 lb915 kg | +80 kg+176 lb +8.7% |
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.
Forfour W453
- Single garage
- Fits 2,005 mm6 ft 7 in to spare in length, 668 mm2 ft 2 in each side
- Parking bay
- Tight 1,505 mm4 ft 11 in to spare in length, 418 mm1 ft 4 in each side
108 I
- Single garage
- Fits 2,025 mm6 ft 8 in to spare in length, 693 mm2 ft 3 in each side
- Parking bay
- Tight 1,525 mm5 ft 0 in to spare in length, 443 mm1 ft 5 in each side
Frequently asked questions
Which is bigger, the Smart Forfour W453 or the Peugeot 108 I?
The Smart Forfour W453 is the bigger car by footprint (length × width). The Forfour W453 is 20 mm longer, 50 mm wider and 94 mm taller than the 108 I. Its wheelbase is 152 mm longer.
Will the Smart Forfour W453 and the Peugeot 108 I fit in a standard garage?
In a typical single garage of 5.5 × 3.0 m inside: The Smart Forfour W453 fits with room to open the doors (2,005 mm to spare in length, 668 mm each side). The Peugeot 108 I fits with room to open the doors (2,025 mm to spare in length, 693 mm each side). Widths are without mirrors; check your own garage with our garage checker.
Which has the bigger boot?
The Peugeot 108 I: 196 L against 185 L in the Smart Forfour W453 (seats up, as quoted by the maker).
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.
