Spec Sizes

Acura NSX vs Porsche 911 Dimensions & Size Comparison

Comparing 1999 catalog dimensions. Acura NSX · Porsche 911

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

Side view
  • Length174.2 in
  • Height45.7 in – 46.1 in
  • Wheelbase99.6 in
  • Curb weight3,015 lb – 3,066 lb
Front / width
  • Width71.3 in
  • Porsche 911 width69.5 in

Which is bigger?

  • Length: Acura NSX is 0.3 in shorter (174.2 in vs 174.5 in)
  • Width: Porsche 911 is 1.8 in narrower (71.3 in vs 69.5 in)
  • Height: Porsche 911 is 5.7 in taller (45.9 in vs 51.6 in)
  • Wheelbase: Acura NSX has a 7.0 in longer wheelbase (99.6 in vs 92.6 in)
  • Curb weight: Porsche 911 is 13 lb heavier (3,041 lb vs 3,054 lb)

Biggest size differences

  1. Height: Porsche 911 is 5.7 in taller (45.9 in vs 51.6 in)
  2. Wheelbase: Acura NSX has a 7.0 in longer wheelbase (99.6 in vs 92.6 in)
  3. Width: Porsche 911 is 1.8 in narrower (71.3 in vs 69.5 in)
  4. Curb weight: Porsche 911 is 13 lb heavier (3,041 lb vs 3,054 lb)
  5. Length: Acura NSX is 0.3 in shorter (174.2 in vs 174.5 in)

Practical verdicts

  • Easier to fit in a short garageAcura NSX — Acura NSX is shorter by 0.3 in Check garage fit for Acura NSX · garage fit for Porsche 911
  • Narrower for tight parkingPorsche 911 — Porsche 911 is narrower by 1.8 in
  • Smaller exterior footprintPorsche 911 — Based on length × width (Porsche 911)

Dimension comparison

SpecAcura NSXPorsche 911Difference
Length174.2 in174.5 in0.3 in
Width71.3 in69.5 in1.8 in
Height45.9 in51.6 in5.7 in
Wheelbase99.6 in92.6 in7.0 in
Curb weight3,041 lb3,054 lb13 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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