Porsche 911 vs Audi RS 3 Dimensions & Size Comparison
Comparing 2016 vs 2023 catalog dimensions. Porsche 911 · Audi RS 3
- 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 RS 3 width72.9 in
Which is bigger?
- Length: Porsche 911 is 1.7 in shorter (177.2 in vs 178.8 in)
- Width: Porsche 911 is 0.3 in narrower (72.6 in vs 72.9 in)
- Height: Audi RS 3 is 4.6 in taller (51.0 in vs 55.6 in)
- Wheelbase: Audi RS 3 has a 7.1 in longer wheelbase (96.5 in vs 103.6 in)
- Curb weight: Audi RS 3 is 282 lb heavier (3,368 lb vs 3,649 lb)
Biggest size differences
- Height: Audi RS 3 is 4.6 in taller (51.0 in vs 55.6 in)
- Curb weight: Audi RS 3 is 282 lb heavier (3,368 lb vs 3,649 lb)
- Wheelbase: Audi RS 3 has a 7.1 in longer wheelbase (96.5 in vs 103.6 in)
- Length: Porsche 911 is 1.7 in shorter (177.2 in vs 178.8 in)
- Width: Porsche 911 is 0.3 in narrower (72.6 in vs 72.9 in)
Practical verdicts
- Easier to fit in a short garagePorsche 911 — Porsche 911 is shorter by 1.7 in Check garage fit for Porsche 911 · garage fit for Audi RS 3
- Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 0.3 in
- Smaller exterior footprintPorsche 911 — Based on length × width (Porsche 911)
Dimension comparison
| Spec | Porsche 911 | Audi RS 3 | Difference |
|---|---|---|---|
| Length | 177.2 in | 178.8 in | 1.7 in |
| Width | 72.6 in | 72.9 in | 0.3 in |
| Height | 51.0 in | 55.6 in | 4.6 in |
| Wheelbase | 96.5 in | 103.6 in | 7.1 in |
| Ground clearance | 4.8 in | — | — |
| Curb weight | 3,368 lb | 3,649 lb | 282 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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