Audi R8 vs Porsche 911 Dimensions & Size Comparison
Comparing 2015 vs 2022 catalog dimensions. Audi R8 · Porsche 911
- Length174.4 in – 175.0 in
- Height49.0 in – 49.3 in
- Wheelbase104.3 in
- Ground clearance4.3 in
- Curb weight3,583 lb – 3,913 lb
- Width75.0 in – 76.0 in
- Porsche 911 width72.9 in – 74.9 in
Which is bigger?
- Length: Audi R8 is 4.3 in shorter (174.7 in vs 178.9 in)
- Width: Porsche 911 is 1.6 in narrower (75.5 in vs 73.9 in)
- Height: Porsche 911 is 1.7 in taller (49.1 in vs 50.8 in)
- Wheelbase: Audi R8 has a 7.7 in longer wheelbase (104.3 in vs 96.6 in)
- Curb weight: Audi R8 is 271 lb heavier (3,748 lb vs 3,477 lb)
Biggest size differences
- Wheelbase: Audi R8 has a 7.7 in longer wheelbase (104.3 in vs 96.6 in)
- Curb weight: Audi R8 is 271 lb heavier (3,748 lb vs 3,477 lb)
- Height: Porsche 911 is 1.7 in taller (49.1 in vs 50.8 in)
- Length: Audi R8 is 4.3 in shorter (174.7 in vs 178.9 in)
- Width: Porsche 911 is 1.6 in narrower (75.5 in vs 73.9 in)
Practical verdicts
- Easier to fit in a short garageAudi R8 — Audi R8 is shorter by 4.3 in Check garage fit for Audi R8 · garage fit for Porsche 911
- Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 1.6 in
Dimension comparison
| Spec | Audi R8 | Porsche 911 | Difference |
|---|---|---|---|
| Length | 174.7 in | 178.9 in | 4.3 in |
| Width | 75.5 in | 73.9 in | 1.6 in |
| Height | 49.1 in | 50.8 in | 1.7 in |
| Wheelbase | 104.3 in | 96.6 in | 7.7 in |
| Ground clearance | 4.3 in | — | — |
| Curb weight | 3,748 lb | 3,477 lb | 271 lb |
Values use trim midpoints when a model year lists a range (e.g. length 174.4 in – 175.0 in).
Compare by year
Overlapping model years with dimension data.
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