Porsche 911 vs Audi R8 Dimensions & Size Comparison
Comparing 2022 catalog dimensions. Porsche 911 · Audi R8
- Length177.9 in – 180.0 in
- Height50.4 in – 51.3 in
- Wheelbase96.5 in – 96.7 in
- Curb weight3,164 lb – 3,790 lb
- Width72.9 in – 74.9 in
- Audi R8 width76.4 in
Which is bigger?
- Length: Audi R8 is 4.5 in shorter (178.9 in vs 174.4 in)
- Width: Porsche 911 is 2.5 in narrower (73.9 in vs 76.4 in)
- Height: Porsche 911 is 2.0 in taller (50.8 in vs 48.8 in)
- Wheelbase: Audi R8 has a 7.7 in longer wheelbase (96.6 in vs 104.3 in)
- Curb weight: Audi R8 is 277 lb heavier (3,477 lb vs 3,754 lb)
Biggest size differences
- Wheelbase: Audi R8 has a 7.7 in longer wheelbase (96.6 in vs 104.3 in)
- Curb weight: Audi R8 is 277 lb heavier (3,477 lb vs 3,754 lb)
- Height: Porsche 911 is 2.0 in taller (50.8 in vs 48.8 in)
- Width: Porsche 911 is 2.5 in narrower (73.9 in vs 76.4 in)
- Length: Audi R8 is 4.5 in shorter (178.9 in vs 174.4 in)
Practical verdicts
- Easier to fit in a short garageAudi R8 — Audi R8 is shorter by 4.5 in Check garage fit for Porsche 911 · garage fit for Audi R8
- Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 2.5 in
Dimension comparison
| Spec | Porsche 911 | Audi R8 | Difference |
|---|---|---|---|
| Length | 178.9 in | 174.4 in | 4.5 in |
| Width | 73.9 in | 76.4 in | 2.5 in |
| Height | 50.8 in | 48.8 in | 2.0 in |
| Wheelbase | 96.6 in | 104.3 in | 7.7 in |
| Curb weight | 3,477 lb | 3,754 lb | 277 lb |
Values use trim midpoints when a model year lists a range (e.g. length 177.9 in – 180.0 in).
Compare by year
Overlapping model years with dimension data.
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