Size comparison · drawn to scale
Audi e-tron vs Porsche Cayenne (9Y0): size comparison
- Length Cayenne (9Y0) 18 mm0.7 in longer
- Width Cayenne (9Y0) 48 mm2 in wider
- Height Cayenne (9Y0) 80 mm3 in taller
- Boot Cayenne (9Y0) 170 L6.0 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 1:22 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 e-tron is 18 mm0.7 in shorter, 48 mm2 in narrower and 80 mm3 in lower than the Cayenne (9Y0). Its wheelbase is 33 mm1 in longer.
| Dimension | e-tron | Cayenne (9Y0) | Difference, car 1 vs car 2 |
|---|---|---|---|
| Length | 4,900 mm16 ft 1 in16 ft 1 in4,900 mm | 4,918 mm16 ft 2 in16 ft 2 in4,918 mm | −18 mm−0.7 in −0.4% |
| Width | 1,935 mm6 ft 4 in6 ft 4 in1,935 mm | 1,983 mm6 ft 6 in6 ft 6 in1,983 mm | −48 mm−2 in −2.4% |
| Height | 1,616 mm5 ft 4 in5 ft 4 in1,616 mm | 1,696 mm5 ft 7 in5 ft 7 in1,696 mm | −80 mm−3 in −4.7% |
| Wheelbase | 2,928 mm9 ft 7 in9 ft 7 in2,928 mm | 2,895 mm9 ft 6 in9 ft 6 in2,895 mm | +33 mm+1 in +1.1% |
| Footprint | 9.48 m²102.1 sq ft102.1 sq ft9.48 m² | 9.75 m²105.0 sq ft105.0 sq ft9.75 m² | −0.27 m²−2.9 sq ft −2.8% |
| Boot | 600 L21.2 cu ft21.2 cu ft600 L | 770 L27.2 cu ft27.2 cu ft770 L | −170 L−6.0 cu ft −22.1% |
| Kerb weight | 2,565–2,730 kg5,655–6,019 lb5,655–6,019 lb2,565–2,730 kg | 2,060–2,370 kg4,542–5,225 lb4,542–5,225 lb2,060–2,370 kg | +505 kg+1,113 lb +24.5% |
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.
e-tron
- Single garage
- Tight 600 mm2 ft 0 in to spare in length, 533 mm1 ft 9 in each side
- Parking bay
- Tight 100 mm4 in to spare in length, 283 mm11 in each side
Cayenne (9Y0)
- Single garage
- Tight 582 mm1 ft 11 in to spare in length, 509 mm1 ft 8 in each side
- Parking bay
- Tight 82 mm3 in to spare in length, 259 mm10 in each side
Frequently asked questions
Which is bigger, the Audi e-tron or the Porsche Cayenne (9Y0)?
The Porsche Cayenne (9Y0) is the bigger car by footprint (length × width). The e-tron is 18 mm shorter, 48 mm narrower and 80 mm lower than the Cayenne (9Y0). Its wheelbase is 33 mm longer.
Will the Audi e-tron and the Porsche Cayenne (9Y0) fit in a standard garage?
In a typical single garage of 5.5 × 3.0 m inside: The Audi e-tron fits, but it is tight to get out (600 mm to spare in length, 533 mm each side). The Porsche Cayenne (9Y0) fits, but it is tight to get out (582 mm to spare in length, 509 mm each side). Widths are without mirrors; check your own garage with our garage checker.
Which has the bigger boot?
The Porsche Cayenne (9Y0): 770 L against 600 L in the Audi e-tron (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.
