Spec Sizes

Porsche 911 vs Acura ILX Dimensions & Size Comparison

Comparing 2021 catalog dimensions. Porsche 911 · Acura ILX

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

Side view
  • Length177.9 in – 178.6 in
  • Height51.1 in – 51.3 in
  • Wheelbase96.5 in
  • Curb weight3,354 lb – 3,790 lb
Front / width
  • Width72.9 in – 74.9 in
  • Acura ILX width70.6 in

Which is bigger?

  • Length: Porsche 911 is 3.9 in shorter (178.3 in vs 182.2 in)
  • Width: Acura ILX is 3.3 in narrower (73.9 in vs 70.6 in)
  • Height: Acura ILX is 4.4 in taller (51.2 in vs 55.6 in)
  • Wheelbase: Acura ILX has a 8.6 in longer wheelbase (96.5 in vs 105.1 in)
  • Curb weight: Porsche 911 is 451 lb heavier (3,572 lb vs 3,122 lb)

Biggest size differences

  1. Curb weight: Porsche 911 is 451 lb heavier (3,572 lb vs 3,122 lb)
  2. Wheelbase: Acura ILX has a 8.6 in longer wheelbase (96.5 in vs 105.1 in)
  3. Height: Acura ILX is 4.4 in taller (51.2 in vs 55.6 in)
  4. Width: Acura ILX is 3.3 in narrower (73.9 in vs 70.6 in)
  5. Length: Porsche 911 is 3.9 in shorter (178.3 in vs 182.2 in)

Practical verdicts

  • Easier to fit in a short garagePorsche 911 — Porsche 911 is shorter by 3.9 in Check garage fit for Porsche 911 · garage fit for Acura ILX
  • Narrower for tight parkingAcura ILX — Acura ILX is narrower by 3.3 in
  • Smaller exterior footprintAcura ILX — Based on length × width (Acura ILX)

Dimension comparison

SpecPorsche 911Acura ILXDifference
Length178.3 in182.2 in3.9 in
Width73.9 in70.6 in3.3 in
Height51.2 in55.6 in4.4 in
Wheelbase96.5 in105.1 in8.6 in
Curb weight3,572 lb3,122 lb451 lb

Values use trim midpoints when a model year lists a range (e.g. length 177.9 in – 178.6 in).

Compare by year

Overlapping model years with dimension data.

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