Audi R8 vs Porsche 911 Dimensions & Size Comparison
Comparing 2020 catalog dimensions. Audi R8 · Porsche 911
- Length174.3 in
- Height48.8 in – 49.0 in
- Wheelbase104.4 in
- Ground clearance4.0 in
- Width76.4 in
- Porsche 911 width72.9 in
Which is bigger?
- Length: Audi R8 is 3.6 in shorter (174.3 in vs 177.9 in)
- Width: Porsche 911 is 3.5 in narrower (76.4 in vs 72.9 in)
- Height: Porsche 911 is 2.3 in taller (48.9 in vs 51.2 in)
- Wheelbase: Audi R8 has a 7.9 in longer wheelbase (104.4 in vs 96.5 in)
- Ground clearance: essentially the same
Biggest size differences
- Wheelbase: Audi R8 has a 7.9 in longer wheelbase (104.4 in vs 96.5 in)
- Width: Porsche 911 is 3.5 in narrower (76.4 in vs 72.9 in)
- Height: Porsche 911 is 2.3 in taller (48.9 in vs 51.2 in)
- Length: Audi R8 is 3.6 in shorter (174.3 in vs 177.9 in)
Practical verdicts
- Easier to fit in a short garageAudi R8 — Audi R8 is shorter by 3.6 in Check garage fit for Audi R8 · garage fit for Porsche 911
- Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 3.5 in
- Smaller exterior footprintPorsche 911 — Based on length × width (Porsche 911)
Dimension comparison
| Spec | Audi R8 | Porsche 911 | Difference |
|---|---|---|---|
| Length | 174.3 in | 177.9 in | 3.6 in |
| Width | 76.4 in | 72.9 in | 3.5 in |
| Height | 48.9 in | 51.2 in | 2.3 in |
| Wheelbase | 104.4 in | 96.5 in | 7.9 in |
| Ground clearance | 4.0 in | 4.0 in | 0.0 in |
| Curb weight | — | 3,512 lb | — |
Values use trim midpoints when a model year lists a range.
Compare by year
Overlapping model years with dimension data.
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