Size comparison · drawn to scale
Mercedes-Benz A-Class W176 vs Volkswagen ID.3 I: size comparison
- Length A-Class W176 30 mm1 in longer
- Width ID.3 I 29 mm1 in wider
- Height ID.3 I 135 mm5 in taller
- Boot ID.3 I 44 L1.6 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 A-Class W176 is 30 mm1 in longer, 29 mm1 in narrower and 135 mm5 in lower than the ID.3 I. Its wheelbase is 71 mm3 in shorter.
| Dimension | A-Class W176 | ID.3 I | Difference, car 1 vs car 2 |
|---|---|---|---|
| Length | 4,292 mm14 ft 1 in14 ft 1 in4,292 mm | 4,262 mm14 ft 0 in14 ft 0 in4,262 mm | +30 mm+1 in +0.7% |
| Width | 1,780 mm5 ft 10 in5 ft 10 in1,780 mm | 1,809 mm5 ft 11 in5 ft 11 in1,809 mm | −29 mm−1 in −1.6% |
| Height | 1,417 mm4 ft 8 in4 ft 8 in1,417 mm | 1,552 mm5 ft 1 in5 ft 1 in1,552 mm | −135 mm−5 in −8.7% |
| Wheelbase | 2,699 mm8 ft 10 in8 ft 10 in2,699 mm | 2,770 mm9 ft 1 in9 ft 1 in2,770 mm | −71 mm−3 in −2.6% |
| Footprint | 7.64 m²82.2 sq ft82.2 sq ft7.64 m² | 7.71 m²83.0 sq ft83.0 sq ft7.71 m² | −0.07 m²−0.8 sq ft −0.9% |
| Boot | 341 L12.0 cu ft12.0 cu ft341 L | 385 L13.6 cu ft13.6 cu ft385 L | −44 L−1.6 cu ft −11.4% |
| Kerb weight | 1,370–1,485 kg3,020–3,274 lb3,020–3,274 lb1,370–1,485 kg | 1,772–1,994 kg3,907–4,396 lb3,907–4,396 lb1,772–1,994 kg | −402 kg−886 lb −22.7% |
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.
A-Class W176
- Single garage
- Fits 1,208 mm4 ft 0 in to spare in length, 610 mm2 ft 0 in each side
- Parking bay
- Tight 708 mm2 ft 4 in to spare in length, 360 mm1 ft 2 in each side
ID.3 I
- Single garage
- Tight 1,238 mm4 ft 1 in to spare in length, 596 mm1 ft 11 in each side
- Parking bay
- Tight 738 mm2 ft 5 in to spare in length, 346 mm1 ft 2 in each side
Frequently asked questions
Which is bigger, the Mercedes-Benz A-Class W176 or the Volkswagen ID.3 I?
The Volkswagen ID.3 I is the bigger car by footprint (length × width). The A-Class W176 is 30 mm longer, 29 mm narrower and 135 mm lower than the ID.3 I. Its wheelbase is 71 mm shorter.
Will the Mercedes-Benz A-Class W176 and the Volkswagen ID.3 I fit in a standard garage?
In a typical single garage of 5.5 × 3.0 m inside: The Mercedes-Benz A-Class W176 fits with room to open the doors (1,208 mm to spare in length, 610 mm each side). The Volkswagen ID.3 I fits, but it is tight to get out (1,238 mm to spare in length, 596 mm each side). Widths are without mirrors; check your own garage with our garage checker.
Which has the bigger boot?
The Volkswagen ID.3 I: 385 L against 341 L in the Mercedes-Benz A-Class W176 (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.
