Spec Sizes

Porsche 911 vs Dodge Viper Dimensions & Size Comparison

Comparing 2020 vs 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
  • Length177.9 in
  • Height51.2 in
  • Wheelbase96.5 in
  • Ground clearance4.0 in
  • Curb weight3,382 lb – 3,641 lb
Front / width
  • Width72.9 in
  • Dodge Viper width76.4 in

Which is bigger?

  • Length: Dodge Viper is 2.2 in shorter (177.9 in vs 175.7 in)
  • Width: Porsche 911 is 3.5 in narrower (72.9 in vs 76.4 in)
  • Height: Porsche 911 is 2.1 in taller (51.2 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 117 lb heavier (3,512 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 3.5 in narrower (72.9 in vs 76.4 in)
  3. Height: Porsche 911 is 2.1 in taller (51.2 in vs 49.1 in)
  4. Curb weight: Porsche 911 is 117 lb heavier (3,512 lb vs 3,395 lb)
  5. Wheelbase: Dodge Viper has a 2.3 in longer wheelbase (96.5 in vs 98.8 in)

Practical verdicts

  • Easier to fit in a short garageDodge Viper — Dodge Viper is shorter by 2.2 in Check garage fit for Porsche 911 · garage fit for Dodge Viper
  • Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 3.5 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
Length177.9 in175.7 in2.2 in
Width72.9 in76.4 in3.5 in
Height51.2 in49.1 in2.1 in
Wheelbase96.5 in98.8 in2.3 in
Ground clearance4.0 in5.0 in1.0 in
Curb weight3,512 lb3,395 lb117 lb

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

Compare by year

Overlapping model years with dimension data.

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