Audi R8 vs Porsche 911 Dimensions & Size Comparison
Comparing 2018 vs 2022 catalog dimensions. Audi R8 · Porsche 911
- Length174.3 in
- Height48.8 in – 49.0 in
- Wheelbase104.4 in
- Ground clearance5.0 in – 6.3 in
- Curb weight3,627 lb – 3,957 lb
- Width76.4 in
- Porsche 911 width72.9 in – 74.9 in
Which is bigger?
- Length: Audi R8 is 4.6 in shorter (174.3 in vs 178.9 in)
- Width: Porsche 911 is 2.5 in narrower (76.4 in vs 73.9 in)
- Height: Porsche 911 is 1.9 in taller (48.9 in vs 50.8 in)
- Wheelbase: Audi R8 has a 7.8 in longer wheelbase (104.4 in vs 96.6 in)
- Curb weight: Audi R8 is 315 lb heavier (3,792 lb vs 3,477 lb)
Biggest size differences
- Curb weight: Audi R8 is 315 lb heavier (3,792 lb vs 3,477 lb)
- Wheelbase: Audi R8 has a 7.8 in longer wheelbase (104.4 in vs 96.6 in)
- Height: Porsche 911 is 1.9 in taller (48.9 in vs 50.8 in)
- Width: Porsche 911 is 2.5 in narrower (76.4 in vs 73.9 in)
- Length: Audi R8 is 4.6 in shorter (174.3 in vs 178.9 in)
Practical verdicts
- Easier to fit in a short garageAudi R8 — Audi R8 is shorter by 4.6 in Check garage fit for Audi R8 · garage fit for Porsche 911
- Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 2.5 in
Dimension comparison
| Spec | Audi R8 | Porsche 911 | Difference |
|---|---|---|---|
| Length | 174.3 in | 178.9 in | 4.6 in |
| Width | 76.4 in | 73.9 in | 2.5 in |
| Height | 48.9 in | 50.8 in | 1.9 in |
| Wheelbase | 104.4 in | 96.6 in | 7.8 in |
| Ground clearance | 5.7 in | — | — |
| Curb weight | 3,792 lb | 3,477 lb | 315 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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