Porsche 911 vs Audi TT RS Dimensions & Size Comparison
Comparing 2018 catalog dimensions. Porsche 911 · Audi TT RS
- Length177.1 in – 179.6 in
- Height50.0 in – 51.0 in
- Wheelbase96.5 in – 96.7 in
- Ground clearance4.0 in
- Curb weight3,153 lb – 3,682 lb
- Width71.2 in – 74.0 in
- Audi TT RS width72.1 in
Which is bigger?
- Length: Audi TT RS is 13.3 in shorter (178.3 in vs 165.0 in)
- Width: Audi TT RS is 0.5 in narrower (72.6 in vs 72.1 in)
- Height: Audi TT RS is 2.3 in taller (50.5 in vs 52.8 in)
- Wheelbase: Audi TT RS has a 2.0 in longer wheelbase (96.6 in vs 98.6 in)
- Ground clearance: Audi TT RS has 1.2 in more ground clearance (4.0 in vs 5.2 in)
Biggest size differences
- Ground clearance: Audi TT RS has 1.2 in more ground clearance (4.0 in vs 5.2 in)
- Length: Audi TT RS is 13.3 in shorter (178.3 in vs 165.0 in)
- Height: Audi TT RS is 2.3 in taller (50.5 in vs 52.8 in)
- Wheelbase: Audi TT RS has a 2.0 in longer wheelbase (96.6 in vs 98.6 in)
- Width: Audi TT RS is 0.5 in narrower (72.6 in vs 72.1 in)
Practical verdicts
- Easier to fit in a short garageAudi TT RS — Audi TT RS is shorter by 13.3 in Check garage fit for Porsche 911 · garage fit for Audi TT RS
- Narrower for tight parkingAudi TT RS — Audi TT RS is narrower by 0.5 in
- More ground clearanceAudi TT RS — Audi TT RS has 1.2 in more clearance
- Smaller exterior footprintAudi TT RS — Based on length × width (Audi TT RS)
Dimension comparison
| Spec | Porsche 911 | Audi TT RS | Difference |
|---|---|---|---|
| Length | 178.3 in | 165.0 in | 13.3 in |
| Width | 72.6 in | 72.1 in | 0.5 in |
| Height | 50.5 in | 52.8 in | 2.3 in |
| Wheelbase | 96.6 in | 98.6 in | 2.0 in |
| Ground clearance | 4.0 in | 5.2 in | 1.2 in |
| Curb weight | 3,418 lb | — | — |
Values use trim midpoints when a model year lists a range (e.g. length 177.1 in – 179.6 in).
Compare by year
Overlapping model years with dimension data.
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