Porsche 911 vs Audi TT Dimensions & Size Comparison
Comparing 2013 catalog dimensions. Porsche 911 · Audi TT
- Length176.3 in – 176.8 in
- Height50.9 in – 51.3 in
- Wheelbase92.5 in – 96.5 in
- Ground clearance4.3 in
- Curb weight3,042 lb – 3,660 lb
- Width71.2 in – 72.9 in
- Audi TT width72.5 in
Which is bigger?
- Length: Audi TT is 12.1 in shorter (176.6 in vs 164.5 in)
- Width: Porsche 911 is 0.4 in narrower (72.1 in vs 72.5 in)
- Height: Audi TT is 2.3 in taller (51.1 in vs 53.4 in)
- Wheelbase: Audi TT has a 2.7 in longer wheelbase (94.5 in vs 97.2 in)
- Ground clearance: Audi TT has 0.8 in more ground clearance (4.3 in vs 5.1 in)
- Curb weight: Porsche 911 is 132 lb heavier (3,351 lb vs 3,219 lb)
Biggest size differences
- Ground clearance: Audi TT has 0.8 in more ground clearance (4.3 in vs 5.1 in)
- Length: Audi TT is 12.1 in shorter (176.6 in vs 164.5 in)
- Height: Audi TT is 2.3 in taller (51.1 in vs 53.4 in)
- Curb weight: Porsche 911 is 132 lb heavier (3,351 lb vs 3,219 lb)
- Wheelbase: Audi TT has a 2.7 in longer wheelbase (94.5 in vs 97.2 in)
Practical verdicts
- Easier to fit in a short garageAudi TT — Audi TT is shorter by 12.1 in Check garage fit for Porsche 911 · garage fit for Audi TT
- Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 0.4 in
- More ground clearanceAudi TT — Audi TT has 0.8 in more clearance
- Smaller exterior footprintAudi TT — Based on length × width (Audi TT)
Dimension comparison
| Spec | Porsche 911 | Audi TT | Difference |
|---|---|---|---|
| Length | 176.6 in | 164.5 in | 12.1 in |
| Width | 72.1 in | 72.5 in | 0.4 in |
| Height | 51.1 in | 53.4 in | 2.3 in |
| Wheelbase | 94.5 in | 97.2 in | 2.7 in |
| Ground clearance | 4.3 in | 5.1 in | 0.8 in |
| Curb weight | 3,351 lb | 3,219 lb | 132 lb |
Values use trim midpoints when a model year lists a range (e.g. length 176.3 in – 176.8 in).
Compare by year
Overlapping model years with dimension data.
Already own one of these cars?
Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.