Dodge Viper vs Porsche 911 Dimensions & Size Comparison
Comparing 1999 catalog dimensions. Dodge Viper · Porsche 911
- Length175.1 in – 176.7 in
- Height43.9 in – 47.0 in
- Wheelbase96.2 in
- Curb weight3,375 lb – 3,443 lb
- Width75.7 in
- Porsche 911 width69.5 in
Which is bigger?
- Length: Porsche 911 is 1.4 in shorter (175.9 in vs 174.5 in)
- Width: Porsche 911 is 6.2 in narrower (75.7 in vs 69.5 in)
- Height: Porsche 911 is 6.1 in taller (45.5 in vs 51.6 in)
- Wheelbase: Dodge Viper has a 3.6 in longer wheelbase (96.2 in vs 92.6 in)
- Curb weight: Dodge Viper is 356 lb heavier (3,409 lb vs 3,054 lb)
Biggest size differences
- Height: Porsche 911 is 6.1 in taller (45.5 in vs 51.6 in)
- Curb weight: Dodge Viper is 356 lb heavier (3,409 lb vs 3,054 lb)
- Width: Porsche 911 is 6.2 in narrower (75.7 in vs 69.5 in)
- Wheelbase: Dodge Viper has a 3.6 in longer wheelbase (96.2 in vs 92.6 in)
- Length: Porsche 911 is 1.4 in shorter (175.9 in vs 174.5 in)
Practical verdicts
- Easier to fit in a short garagePorsche 911 — Porsche 911 is shorter by 1.4 in Check garage fit for Dodge Viper · garage fit for Porsche 911
- Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 6.2 in
- Smaller exterior footprintPorsche 911 — Based on length × width (Porsche 911)
Dimension comparison
| Spec | Dodge Viper | Porsche 911 | Difference |
|---|---|---|---|
| Length | 175.9 in | 174.5 in | 1.4 in |
| Width | 75.7 in | 69.5 in | 6.2 in |
| Height | 45.5 in | 51.6 in | 6.1 in |
| Wheelbase | 96.2 in | 92.6 in | 3.6 in |
| Curb weight | 3,409 lb | 3,054 lb | 356 lb |
Values use trim midpoints when a model year lists a range (e.g. length 175.1 in – 176.7 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.