Spec Sizes

Dodge Viper vs Porsche 911 Dimensions & Size Comparison

Comparing 2008 catalog dimensions. Dodge Viper · Porsche 911

Same scale for both vehicles. Generic silhouette — proportional to measured length, height, width, wheelbase, and clearance.

Side view
  • Length175.6 in
  • Height47.6 in
  • Wheelbase98.8 in
  • Curb weight3,440 lb – 3,450 lb
Front / width
  • Width75.2 in
  • Porsche 911 width71.2 in – 72.9 in

Which is bigger?

  • Length: Dodge Viper is 0.7 in shorter (175.6 in vs 176.3 in)
  • Width: Porsche 911 is 3.1 in narrower (75.2 in vs 72.1 in)
  • Height: Porsche 911 is 3.4 in taller (47.6 in vs 51.0 in)
  • Wheelbase: Dodge Viper has a 6.1 in longer wheelbase (98.8 in vs 92.7 in)
  • Curb weight: Dodge Viper is 183 lb heavier (3,445 lb vs 3,263 lb)

Biggest size differences

  1. Height: Porsche 911 is 3.4 in taller (47.6 in vs 51.0 in)
  2. Wheelbase: Dodge Viper has a 6.1 in longer wheelbase (98.8 in vs 92.7 in)
  3. Curb weight: Dodge Viper is 183 lb heavier (3,445 lb vs 3,263 lb)
  4. Width: Porsche 911 is 3.1 in narrower (75.2 in vs 72.1 in)
  5. Length: Dodge Viper is 0.7 in shorter (175.6 in vs 176.3 in)

Practical verdicts

  • Easier to fit in a short garageDodge Viper — Dodge Viper is shorter by 0.7 in Check garage fit for Dodge Viper · garage fit for Porsche 911
  • 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

SpecDodge ViperPorsche 911Difference
Length175.6 in176.3 in0.7 in
Width75.2 in72.1 in3.1 in
Height47.6 in51.0 in3.4 in
Wheelbase98.8 in92.7 in6.1 in
Ground clearance—4.0 in—
Curb weight3,445 lb3,263 lb183 lb

Values use trim midpoints when a model year lists a range.

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.