Porsche 911 vs BMW i8 Dimensions & Size Comparison
Comparing 2020 catalog dimensions. Porsche 911 · BMW i8
- Length177.9 in
- Height51.2 in
- Wheelbase96.5 in
- Ground clearance4.0 in
- Curb weight3,382 lb – 3,641 lb
- Width72.9 in
- BMW i8 width76.5 in
Which is bigger?
- Length: Porsche 911 is 7.0 in shorter (177.9 in vs 184.9 in)
- Width: Porsche 911 is 3.6 in narrower (72.9 in vs 76.5 in)
- Height: Porsche 911 is 0.5 in taller (51.2 in vs 50.8 in)
- Wheelbase: BMW i8 has a 13.7 in longer wheelbase (96.5 in vs 110.2 in)
- Curb weight: BMW i8 is 75 lb heavier (3,512 lb vs 3,586 lb)
Biggest size differences
- Wheelbase: BMW i8 has a 13.7 in longer wheelbase (96.5 in vs 110.2 in)
- Width: Porsche 911 is 3.6 in narrower (72.9 in vs 76.5 in)
- Length: Porsche 911 is 7.0 in shorter (177.9 in vs 184.9 in)
- Curb weight: BMW i8 is 75 lb heavier (3,512 lb vs 3,586 lb)
- Height: Porsche 911 is 0.5 in taller (51.2 in vs 50.8 in)
Practical verdicts
- Easier to fit in a short garagePorsche 911 — Porsche 911 is shorter by 7.0 in Check garage fit for Porsche 911 · garage fit for BMW i8
- Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 3.6 in
- Smaller exterior footprintPorsche 911 — Based on length × width (Porsche 911)
Dimension comparison
| Spec | Porsche 911 | BMW i8 | Difference |
|---|---|---|---|
| Length | 177.9 in | 184.9 in | 7.0 in |
| Width | 72.9 in | 76.5 in | 3.6 in |
| Height | 51.2 in | 50.8 in | 0.5 in |
| Wheelbase | 96.5 in | 110.2 in | 13.7 in |
| Ground clearance | 4.0 in | — | — |
| Curb weight | 3,512 lb | 3,586 lb | 75 lb |
Values use trim midpoints when a model year lists a range.
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Overlapping model years with dimension data.
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