Size comparison · drawn to scale
Audi A4 B9 vs Alfa Romeo 166 (936): size comparison
- Length About the same length
- Width A4 B9 27 mm1 in wider
- Height A4 B9 11 mm0.4 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 1:21 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 A4 B9 is 6 mm0.2 in longer, 27 mm1 in wider and 11 mm0.4 in taller than the 166 (936). Its wheelbase is 120 mm5 in longer.
| Dimension | A4 B9 | 166 (936) | Difference, car 1 vs car 2 |
|---|---|---|---|
| Length | 4,726 mm15 ft 6 in15 ft 6 in4,726 mm | 4,720 mm15 ft 6 in15 ft 6 in4,720 mm | +6 mm+0.2 in +0.1% |
| Width | 1,842 mm6 ft 1 in6 ft 1 in1,842 mm | 1,815 mm5 ft 11 in5 ft 11 in1,815 mm | +27 mm+1 in +1.5% |
| Height | 1,427 mm4 ft 8 in4 ft 8 in1,427 mm | 1,416 mm4 ft 8 in4 ft 8 in1,416 mm | +11 mm+0.4 in +0.8% |
| Wheelbase | 2,820 mm9 ft 3 in9 ft 3 in2,820 mm | 2,700 mm8 ft 10 in8 ft 10 in2,700 mm | +120 mm+5 in +4.4% |
| Footprint | 8.71 m²93.7 sq ft93.7 sq ft8.71 m² | 8.57 m²92.2 sq ft92.2 sq ft8.57 m² | +0.14 m²+1.5 sq ft +1.6% |
| Boot | 460 L16.2 cu ft16.2 cu ft460 L | Not in our catalog yet | - |
| Kerb weight | 1,485–1,685 kg3,274–3,715 lb3,274–3,715 lb1,485–1,685 kg | Not in our catalog yet | - |
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.
A4 B9
- Single garage
- Tight 774 mm2 ft 6 in to spare in length, 579 mm1 ft 11 in each side
- Parking bay
- Tight 274 mm11 in to spare in length, 329 mm1 ft 1 in each side
166 (936)
- Single garage
- Tight 780 mm2 ft 7 in to spare in length, 593 mm1 ft 11 in each side
- Parking bay
- Tight 280 mm11 in to spare in length, 343 mm1 ft 1 in each side
Frequently asked questions
Which is bigger, the Audi A4 B9 or the Alfa Romeo 166 (936)?
The Audi A4 B9 is the bigger car by footprint (length × width). The A4 B9 is 6 mm longer, 27 mm wider and 11 mm taller than the 166 (936). Its wheelbase is 120 mm longer.
Will the Audi A4 B9 and the Alfa Romeo 166 (936) fit in a standard garage?
In a typical single garage of 5.5 × 3.0 m inside: The Audi A4 B9 fits, but it is tight to get out (774 mm to spare in length, 579 mm each side). The Alfa Romeo 166 (936) fits, but it is tight to get out (780 mm to spare in length, 593 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.

