Spec Sizes

Acura TSX vs Honda Civic Si Dimensions & Size Comparison

Comparing 2012 vs 2022 catalog dimensions. Acura TSX · Honda Civic Si

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

Side view
  • Length185.6 in – 189.2 in
  • Height56.7 in – 57.9 in
  • Wheelbase106.4 in
  • Curb weight3,470 lb – 3,680 lb
Front / width
  • Width72.4 in
  • Honda Civic Si width70.9 in

Which is bigger?

  • Length: Honda Civic Si is 3.4 in shorter (187.4 in vs 184.0 in)
  • Width: Honda Civic Si is 1.5 in narrower (72.4 in vs 70.9 in)
  • Height: Acura TSX is 1.8 in taller (57.3 in vs 55.5 in)
  • Wheelbase: Honda Civic Si has a 1.3 in longer wheelbase (106.4 in vs 107.7 in)
  • Curb weight: Acura TSX is 619 lb heavier (3,575 lb vs 2,957 lb)

Biggest size differences

  1. Curb weight: Acura TSX is 619 lb heavier (3,575 lb vs 2,957 lb)
  2. Height: Acura TSX is 1.8 in taller (57.3 in vs 55.5 in)
  3. Width: Honda Civic Si is 1.5 in narrower (72.4 in vs 70.9 in)
  4. Length: Honda Civic Si is 3.4 in shorter (187.4 in vs 184.0 in)
  5. Wheelbase: Honda Civic Si has a 1.3 in longer wheelbase (106.4 in vs 107.7 in)

Practical verdicts

  • Easier to fit in a short garageHonda Civic Si — Honda Civic Si is shorter by 3.4 in Check garage fit for Acura TSX · garage fit for Honda Civic Si
  • Narrower for tight parkingHonda Civic Si — Honda Civic Si is narrower by 1.5 in
  • Smaller exterior footprintHonda Civic Si — Based on length × width (Honda Civic Si)

Dimension comparison

SpecAcura TSXHonda Civic SiDifference
Length187.4 in184.0 in3.4 in
Width72.4 in70.9 in1.5 in
Height57.3 in55.5 in1.8 in
Wheelbase106.4 in107.7 in1.3 in
Curb weight3,575 lb2,957 lb619 lb

Values use trim midpoints when a model year lists a range (e.g. length 185.6 in – 189.2 in).

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