Porsche 911 vs Dodge Viper Dimensions & Size Comparison
Comparing 2009 catalog dimensions. Porsche 911 · Dodge Viper
- Length175.6 in – 176.3 in
- Height51.2 in – 51.6 in
- Wheelbase92.5 in
- Ground clearance3.8 in – 4.3 in
- Curb weight3,075 lb – 3,494 lb
- Width71.2 in – 72.9 in
- Dodge Viper width75.2 in
Which is bigger?
- Length: Dodge Viper is 0.3 in shorter (175.9 in vs 175.6 in)
- Width: Porsche 911 is 3.1 in narrower (72.1 in vs 75.2 in)
- Height: Porsche 911 is 3.8 in taller (51.4 in vs 47.6 in)
- Wheelbase: Dodge Viper has a 6.3 in longer wheelbase (92.5 in vs 98.8 in)
- Curb weight: Dodge Viper is 161 lb heavier (3,285 lb vs 3,445 lb)
Biggest size differences
- Height: Porsche 911 is 3.8 in taller (51.4 in vs 47.6 in)
- Wheelbase: Dodge Viper has a 6.3 in longer wheelbase (92.5 in vs 98.8 in)
- Curb weight: Dodge Viper is 161 lb heavier (3,285 lb vs 3,445 lb)
- Width: Porsche 911 is 3.1 in narrower (72.1 in vs 75.2 in)
- Length: Dodge Viper is 0.3 in shorter (175.9 in vs 175.6 in)
Practical verdicts
- Easier to fit in a short garageDodge Viper — Dodge Viper is shorter by 0.3 in Check garage fit for Porsche 911 · garage fit for Dodge Viper
- Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 3.1 in
- Smaller exterior footprintPorsche 911 — Based on length × width (Porsche 911)
Dimension comparison
| Spec | Porsche 911 | Dodge Viper | Difference |
|---|---|---|---|
| Length | 175.9 in | 175.6 in | 0.3 in |
| Width | 72.1 in | 75.2 in | 3.1 in |
| Height | 51.4 in | 47.6 in | 3.8 in |
| Wheelbase | 92.5 in | 98.8 in | 6.3 in |
| Ground clearance | 4.0 in | — | — |
| Curb weight | 3,285 lb | 3,445 lb | 161 lb |
Values use trim midpoints when a model year lists a range (e.g. length 175.6 in – 176.3 in).
Compare by year
Overlapping model years with dimension data.
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