Porsche 911 vs Audi A3 Dimensions & Size Comparison
Comparing 2016 catalog dimensions. Porsche 911 · Audi A3
- 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 A3 width70.7 in
Which is bigger?
- Length: Audi A3 is 2.2 in shorter (177.2 in vs 175.0 in)
- Width: Audi A3 is 1.9 in narrower (72.6 in vs 70.7 in)
- Height: Audi A3 is 4.6 in taller (51.0 in vs 55.6 in)
- Wheelbase: Audi A3 has a 6.5 in longer wheelbase (96.5 in vs 103.0 in)
- Ground clearance: Audi A3 has 1.4 in more ground clearance (4.8 in vs 6.2 in)
- Curb weight: essentially the same
Biggest size differences
- Ground clearance: Audi A3 has 1.4 in more ground clearance (4.8 in vs 6.2 in)
- Height: Audi A3 is 4.6 in taller (51.0 in vs 55.6 in)
- Wheelbase: Audi A3 has a 6.5 in longer wheelbase (96.5 in vs 103.0 in)
- Width: Audi A3 is 1.9 in narrower (72.6 in vs 70.7 in)
- Length: Audi A3 is 2.2 in shorter (177.2 in vs 175.0 in)
Practical verdicts
- Easier to fit in a short garageAudi A3 — Audi A3 is shorter by 2.2 in Check garage fit for Porsche 911 · garage fit for Audi A3
- Narrower for tight parkingAudi A3 — Audi A3 is narrower by 1.9 in
- More ground clearanceAudi A3 — Audi A3 has 1.4 in more clearance
- Smaller exterior footprintAudi A3 — Based on length × width (Audi A3)
Dimension comparison
| Spec | Porsche 911 | Audi A3 | Difference |
|---|---|---|---|
| Length | 177.2 in | 175.0 in | 2.2 in |
| Width | 72.6 in | 70.7 in | 1.9 in |
| Height | 51.0 in | 55.6 in | 4.6 in |
| Wheelbase | 96.5 in | 103.0 in | 6.5 in |
| Ground clearance | 4.8 in | 6.2 in | 1.4 in |
| Curb weight | 3,368 lb | 3,368 lb | 0 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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