Spec Sizes

Porsche 911 vs Dodge Viper Dimensions & Size Comparison

Comparing 2017 catalog dimensions. Porsche 911 · Dodge Viper

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

Side view
  • Length177.1 in – 177.4 in
  • Height50.7 in – 51.0 in
  • Wheelbase96.5 in
  • Ground clearance4.0 in
  • Curb weight3,153 lb – 3,682 lb
Front / width
  • Width71.2 in – 74.0 in
  • Dodge Viper width76.4 in

Which is bigger?

  • Length: Dodge Viper is 1.6 in shorter (177.3 in vs 175.7 in)
  • Width: Porsche 911 is 3.8 in narrower (72.6 in vs 76.4 in)
  • Height: Porsche 911 is 1.8 in taller (50.9 in vs 49.1 in)
  • Wheelbase: Dodge Viper has a 2.3 in longer wheelbase (96.5 in vs 98.8 in)
  • Ground clearance: Dodge Viper has 1.0 in more ground clearance (4.0 in vs 5.0 in)
  • Curb weight: Porsche 911 is 23 lb heavier (3,418 lb vs 3,395 lb)

Biggest size differences

  1. Ground clearance: Dodge Viper has 1.0 in more ground clearance (4.0 in vs 5.0 in)
  2. Width: Porsche 911 is 3.8 in narrower (72.6 in vs 76.4 in)
  3. Height: Porsche 911 is 1.8 in taller (50.9 in vs 49.1 in)
  4. Wheelbase: Dodge Viper has a 2.3 in longer wheelbase (96.5 in vs 98.8 in)
  5. Length: Dodge Viper is 1.6 in shorter (177.3 in vs 175.7 in)

Practical verdicts

  • Easier to fit in a short garageDodge Viper — Dodge Viper is shorter by 1.6 in Check garage fit for Porsche 911 · garage fit for Dodge Viper
  • Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 3.8 in
  • More ground clearanceDodge Viper — Dodge Viper has 1.0 in more clearance
  • Smaller exterior footprintPorsche 911 — Based on length × width (Porsche 911)

Dimension comparison

SpecPorsche 911Dodge ViperDifference
Length177.3 in175.7 in1.6 in
Width72.6 in76.4 in3.8 in
Height50.9 in49.1 in1.8 in
Wheelbase96.5 in98.8 in2.3 in
Ground clearance4.0 in5.0 in1.0 in
Curb weight3,418 lb3,395 lb23 lb

Values use trim midpoints when a model year lists a range (e.g. length 177.1 in – 177.4 in).

Compare by year

Overlapping model years with dimension data.

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