Spec Sizes

Porsche 911 vs Acura NSX Dimensions & Size Comparison

Comparing 1999 catalog dimensions. Porsche 911 · Acura NSX

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

Side view
  • Length174.5 in
  • Height51.4 in – 51.8 in
  • Wheelbase92.6 in
  • Curb weight2,910 lb – 3,197 lb
Front / width
  • Width69.5 in
  • Acura NSX width71.3 in

Which is bigger?

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

Biggest size differences

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

Practical verdicts

  • Easier to fit in a short garageAcura NSX — Acura NSX is shorter by 0.3 in Check garage fit for Porsche 911 · garage fit for Acura NSX
  • 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

SpecPorsche 911Acura NSXDifference
Length174.5 in174.2 in0.3 in
Width69.5 in71.3 in1.8 in
Height51.6 in45.9 in5.7 in
Wheelbase92.6 in99.6 in7.0 in
Curb weight3,054 lb3,041 lb13 lb

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

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.