Porsche 911 vs Audi R8 Dimensions & Size Comparison
Comparing 2015 catalog dimensions. Porsche 911 · Audi R8
- Length176.8 in – 178.9 in
- Height50.0 in – 51.1 in
- Wheelbase96.5 in – 96.7 in
- Ground clearance4.8 in
- Curb weight3,153 lb – 3,693 lb
- Width72.9 in – 74.0 in
- Audi R8 width75.0 in – 76.0 in
Which is bigger?
- Length: Audi R8 is 3.2 in shorter (177.9 in vs 174.7 in)
- Width: Porsche 911 is 2.0 in narrower (73.5 in vs 75.5 in)
- Height: Porsche 911 is 1.4 in taller (50.5 in vs 49.1 in)
- Wheelbase: Audi R8 has a 7.7 in longer wheelbase (96.6 in vs 104.3 in)
- Ground clearance: Porsche 911 has 0.5 in more ground clearance (4.8 in vs 4.3 in)
- Curb weight: Audi R8 is 325 lb heavier (3,423 lb vs 3,748 lb)
Biggest size differences
- Ground clearance: Porsche 911 has 0.5 in more ground clearance (4.8 in vs 4.3 in)
- Curb weight: Audi R8 is 325 lb heavier (3,423 lb vs 3,748 lb)
- Wheelbase: Audi R8 has a 7.7 in longer wheelbase (96.6 in vs 104.3 in)
- Height: Porsche 911 is 1.4 in taller (50.5 in vs 49.1 in)
- Width: Porsche 911 is 2.0 in narrower (73.5 in vs 75.5 in)
Practical verdicts
- Easier to fit in a short garageAudi R8 — Audi R8 is shorter by 3.2 in Check garage fit for Porsche 911 · garage fit for Audi R8
- Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 2.0 in
- More ground clearancePorsche 911 — Porsche 911 has 0.5 in more clearance
Dimension comparison
| Spec | Porsche 911 | Audi R8 | Difference |
|---|---|---|---|
| Length | 177.9 in | 174.7 in | 3.2 in |
| Width | 73.5 in | 75.5 in | 2.0 in |
| Height | 50.5 in | 49.1 in | 1.4 in |
| Wheelbase | 96.6 in | 104.3 in | 7.7 in |
| Ground clearance | 4.8 in | 4.3 in | 0.5 in |
| Curb weight | 3,423 lb | 3,748 lb | 325 lb |
Values use trim midpoints when a model year lists a range (e.g. length 176.8 in – 178.9 in).
Compare by year
Overlapping model years with dimension data.
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