Spec Sizes

Porsche 911 vs Dodge Viper Dimensions & Size Comparison

Comparing 2001 catalog dimensions. Porsche 911 · Dodge Viper

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

Side view
  • Length174.5 in – 174.7 in
  • Height51.0 in – 51.8 in
  • Wheelbase92.5 in – 92.6 in
  • Curb weight2,910 lb – 3,395 lb
Front / width
  • Width69.5 in – 72.1 in
  • Dodge Viper width75.7 in

Which is bigger?

  • Length: Porsche 911 is 1.8 in shorter (174.6 in vs 176.4 in)
  • Width: Porsche 911 is 4.9 in narrower (70.8 in vs 75.7 in)
  • Height: Porsche 911 is 5.9 in taller (51.4 in vs 45.5 in)
  • Wheelbase: Dodge Viper has a 3.7 in longer wheelbase (92.5 in vs 96.2 in)
  • Curb weight: Dodge Viper is 308 lb heavier (3,153 lb vs 3,460 lb)

Biggest size differences

  1. Height: Porsche 911 is 5.9 in taller (51.4 in vs 45.5 in)
  2. Curb weight: Dodge Viper is 308 lb heavier (3,153 lb vs 3,460 lb)
  3. Width: Porsche 911 is 4.9 in narrower (70.8 in vs 75.7 in)
  4. Wheelbase: Dodge Viper has a 3.7 in longer wheelbase (92.5 in vs 96.2 in)
  5. Length: Porsche 911 is 1.8 in shorter (174.6 in vs 176.4 in)

Practical verdicts

  • Easier to fit in a short garagePorsche 911 — Porsche 911 is shorter by 1.8 in Check garage fit for Porsche 911 · garage fit for Dodge Viper
  • Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 4.9 in
  • Smaller exterior footprintPorsche 911 — Based on length × width (Porsche 911)

Dimension comparison

SpecPorsche 911Dodge ViperDifference
Length174.6 in176.4 in1.8 in
Width70.8 in75.7 in4.9 in
Height51.4 in45.5 in5.9 in
Wheelbase92.5 in96.2 in3.7 in
Ground clearance—5.8 in—
Curb weight3,153 lb3,460 lb308 lb

Values use trim midpoints when a model year lists a range (e.g. length 174.5 in – 174.7 in).

Compare by year

Overlapping model years with dimension data.

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