Size comparison · drawn to scale
Peugeot 408 P54 vs BMW 3 Series G20: size comparison
- Length 3 Series G20 22 mm0.9 in longer
- Width 408 P54 21 mm0.8 in wider
- Height 408 P54 36 mm1 in taller
- Boot 3 Series G20 9 L0.3 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 1:21 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 408 P54 is 22 mm0.9 in shorter, 21 mm0.8 in wider and 36 mm1 in taller than the 3 Series G20. Its wheelbase is 64 mm3 in shorter.
| Dimension | 408 P54 | 3 Series G20 | Difference, car 1 vs car 2 |
|---|---|---|---|
| Length | 4,687 mm15 ft 5 in15 ft 5 in4,687 mm | 4,709 mm15 ft 5 in15 ft 5 in4,709 mm | −22 mm−0.9 in −0.5% |
| Width | 1,848 mm6 ft 1 in6 ft 1 in1,848 mm | 1,827 mm6 ft 0 in6 ft 0 in1,827 mm | +21 mm+0.8 in +1.1% |
| Height | 1,478 mm4 ft 10 in4 ft 10 in1,478 mm | 1,442 mm4 ft 9 in4 ft 9 in1,442 mm | +36 mm+1 in +2.5% |
| Wheelbase | 2,787 mm9 ft 2 in9 ft 2 in2,787 mm | 2,851 mm9 ft 4 in9 ft 4 in2,851 mm | −64 mm−3 in −2.2% |
| Footprint | 8.66 m²93.2 sq ft93.2 sq ft8.66 m² | 8.60 m²92.6 sq ft92.6 sq ft8.60 m² | +0.06 m²+0.6 sq ft +0.7% |
| Boot | 471 L16.6 cu ft16.6 cu ft471 L | 480 L17.0 cu ft17.0 cu ft480 L | −9 L−0.3 cu ft −1.9% |
| Kerb weight | Not in our catalog yet | 1,525–1,800 kg3,362–3,968 lb3,362–3,968 lb1,525–1,800 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.
408 P54
- Single garage
- Tight 813 mm2 ft 8 in to spare in length, 576 mm1 ft 11 in each side
- Parking bay
- Tight 313 mm1 ft 0 in to spare in length, 326 mm1 ft 1 in each side
3 Series G20
- Single garage
- Tight 791 mm2 ft 7 in to spare in length, 587 mm1 ft 11 in each side
- Parking bay
- Tight 291 mm11 in to spare in length, 337 mm1 ft 1 in each side
Frequently asked questions
Which is bigger, the Peugeot 408 P54 or the BMW 3 Series G20?
The Peugeot 408 P54 is the bigger car by footprint (length × width). The 408 P54 is 22 mm shorter, 21 mm wider and 36 mm taller than the 3 Series G20. Its wheelbase is 64 mm shorter.
Will the Peugeot 408 P54 and the BMW 3 Series G20 fit in a standard garage?
In a typical single garage of 5.5 × 3.0 m inside: The Peugeot 408 P54 fits, but it is tight to get out (813 mm to spare in length, 576 mm each side). The BMW 3 Series G20 fits, but it is tight to get out (791 mm to spare in length, 587 mm each side). Widths are without mirrors; check your own garage with our garage checker.
Which has the bigger boot?
The BMW 3 Series G20: 480 L against 471 L in the Peugeot 408 P54 (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.
