Porsche 911 vs Audi R8 Dimensions & Size Comparison
Comparing 2016 vs 2023 catalog dimensions. Porsche 911 · Audi R8
- Length176.8 in – 177.5 in
- Height50.8 in – 51.3 in
- Wheelbase96.5 in
- Ground clearance4.8 in
- Curb weight3,042 lb – 3,693 lb
- Width71.2 in – 74.0 in
- Audi R8 width76.4 in
Which is bigger?
- Length: Audi R8 is 2.8 in shorter (177.2 in vs 174.4 in)
- Width: Porsche 911 is 3.8 in narrower (72.6 in vs 76.4 in)
- Height: Porsche 911 is 2.3 in taller (51.0 in vs 48.8 in)
- Wheelbase: Audi R8 has a 7.8 in longer wheelbase (96.5 in vs 104.3 in)
- Curb weight: Audi R8 is 386 lb heavier (3,368 lb vs 3,754 lb)
Biggest size differences
- Curb weight: Audi R8 is 386 lb heavier (3,368 lb vs 3,754 lb)
- Wheelbase: Audi R8 has a 7.8 in longer wheelbase (96.5 in vs 104.3 in)
- Width: Porsche 911 is 3.8 in narrower (72.6 in vs 76.4 in)
- Height: Porsche 911 is 2.3 in taller (51.0 in vs 48.8 in)
- Length: Audi R8 is 2.8 in shorter (177.2 in vs 174.4 in)
Practical verdicts
- Easier to fit in a short garageAudi R8 — Audi R8 is shorter by 2.8 in Check garage fit for Porsche 911 · garage fit for Audi R8
- Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 3.8 in
- Smaller exterior footprintPorsche 911 — Based on length × width (Porsche 911)
Dimension comparison
| Spec | Porsche 911 | Audi R8 | Difference |
|---|---|---|---|
| Length | 177.2 in | 174.4 in | 2.8 in |
| Width | 72.6 in | 76.4 in | 3.8 in |
| Height | 51.0 in | 48.8 in | 2.3 in |
| Wheelbase | 96.5 in | 104.3 in | 7.8 in |
| Ground clearance | 4.8 in | — | — |
| Curb weight | 3,368 lb | 3,754 lb | 386 lb |
Values use trim midpoints when a model year lists a range (e.g. length 176.8 in – 177.5 in).
Compare by year
Overlapping model years with dimension data.
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