Size comparison · drawn to scale
Opel Adam I vs Opel Karl I: size comparison
- Length Adam I 23 mm0.9 in longer
- Width Adam I 125 mm5 in wider
- Height About the same height
- Boot Karl I 36 L1.3 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 1:19 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 Adam I is 23 mm0.9 in longer, 125 mm5 in wider and 1 mm0.0 in lower than the Karl I. Its wheelbase is 74 mm3 in shorter.
| Dimension | Adam I | Karl I | Difference, car 1 vs car 2 |
|---|---|---|---|
| Length | 3,698 mm12 ft 2 in12 ft 2 in3,698 mm | 3,675 mm12 ft 1 in12 ft 1 in3,675 mm | +23 mm+0.9 in +0.6% |
| Width | 1,720 mm5 ft 8 in5 ft 8 in1,720 mm | 1,595 mm5 ft 3 in5 ft 3 in1,595 mm | +125 mm+5 in +7.8% |
| Height | 1,484 mm4 ft 10 in4 ft 10 in1,484 mm | 1,485 mm4 ft 10 in4 ft 10 in1,485 mm | −1 mm−0.0 in −0.1% |
| Wheelbase | 2,311 mm7 ft 7 in7 ft 7 in2,311 mm | 2,385 mm7 ft 10 in7 ft 10 in2,385 mm | −74 mm−3 in −3.1% |
| Footprint | 6.36 m²68.5 sq ft68.5 sq ft6.36 m² | 5.86 m²63.1 sq ft63.1 sq ft5.86 m² | +0.50 m²+5.4 sq ft +8.5% |
| Boot | 170 L6.0 cu ft6.0 cu ft170 L | 206 L7.3 cu ft7.3 cu ft206 L | −36 L−1.3 cu ft −17.5% |
| Kerb weight | 1,086 kg2,394 lb2,394 lb1,086 kg | 939 kg2,070 lb2,070 lb939 kg | +147 kg+324 lb +15.7% |
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.
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.
Adam I
- Single garage
- Fits 1,802 mm5 ft 11 in to spare in length, 640 mm2 ft 1 in each side
- Parking bay
- Tight 1,302 mm4 ft 3 in to spare in length, 390 mm1 ft 3 in each side
Karl I
- Single garage
- Fits 1,825 mm6 ft 0 in to spare in length, 703 mm2 ft 4 in each side
- Parking bay
- Tight 1,325 mm4 ft 4 in to spare in length, 453 mm1 ft 6 in each side
Frequently asked questions
Which is bigger, the Opel Adam I or the Opel Karl I?
The Opel Adam I is the bigger car by footprint (length × width). The Adam I is 23 mm longer, 125 mm wider and 1 mm lower than the Karl I. Its wheelbase is 74 mm shorter.
Will the Opel Adam I and the Opel Karl I fit in a standard garage?
In a typical single garage of 5.5 × 3.0 m inside: The Opel Adam I fits with room to open the doors (1,802 mm to spare in length, 640 mm each side). The Opel Karl I fits with room to open the doors (1,825 mm to spare in length, 703 mm each side). Widths are without mirrors; check your own garage with our garage checker.
Which has the bigger boot?
The Opel Karl I: 206 L against 170 L in the Opel Adam I (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.

