Spec Sizes

Porsche 911 vs Acura NSX Dimensions & Size Comparison

Comparing 2018 vs 2022 catalog dimensions. Porsche 911 · Acura NSX

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

Side view
  • Length177.1 in – 179.6 in
  • Height50.0 in – 51.0 in
  • Wheelbase96.5 in – 96.7 in
  • Ground clearance4.0 in
  • Curb weight3,153 lb – 3,682 lb
Front / width
  • Width71.2 in – 74.0 in
  • Acura NSX width76.3 in

Which is bigger?

  • Length: Porsche 911 is 0.2 in shorter (178.3 in vs 178.5 in)
  • Width: Porsche 911 is 3.7 in narrower (72.6 in vs 76.3 in)
  • Height: Porsche 911 is 2.7 in taller (50.5 in vs 47.8 in)
  • Wheelbase: Acura NSX has a 6.9 in longer wheelbase (96.6 in vs 103.5 in)
  • Ground clearance: Porsche 911 has 0.2 in more ground clearance (4.0 in vs 3.8 in)
  • Curb weight: Acura NSX is 461 lb heavier (3,418 lb vs 3,878 lb)

Biggest size differences

  1. Curb weight: Acura NSX is 461 lb heavier (3,418 lb vs 3,878 lb)
  2. Wheelbase: Acura NSX has a 6.9 in longer wheelbase (96.6 in vs 103.5 in)
  3. Height: Porsche 911 is 2.7 in taller (50.5 in vs 47.8 in)
  4. Ground clearance: Porsche 911 has 0.2 in more ground clearance (4.0 in vs 3.8 in)
  5. Width: Porsche 911 is 3.7 in narrower (72.6 in vs 76.3 in)

Practical verdicts

  • Easier to fit in a short garagePorsche 911 — Porsche 911 is shorter by 0.2 in Check garage fit for Porsche 911 · garage fit for Acura NSX
  • Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 3.7 in
  • More ground clearancePorsche 911 — Porsche 911 has 0.2 in more clearance
  • Smaller exterior footprintPorsche 911 — Based on length × width (Porsche 911)

Dimension comparison

SpecPorsche 911Acura NSXDifference
Length178.3 in178.5 in0.2 in
Width72.6 in76.3 in3.7 in
Height50.5 in47.8 in2.7 in
Wheelbase96.6 in103.5 in6.9 in
Ground clearance4.0 in3.8 in0.2 in
Curb weight3,418 lb3,878 lb461 lb

Values use trim midpoints when a model year lists a range (e.g. length 177.1 in – 179.6 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.