Spec Sizes

Honda Civic Si vs Audi S4 Dimensions & Size Comparison

Comparing 2020 catalog dimensions. Honda Civic Si · Audi S4

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

Side view
  • Length177.3 in – 182.8 in
  • Height54.7 in – 55.5 in
  • Wheelbase106.3 in
  • Curb weight2,889 lb – 2,906 lb
Front / width
  • Width70.8 in – 70.9 in
  • Audi S4 width72.7 in

Which is bigger?

  • Length: Honda Civic Si is 7.4 in shorter (180.1 in vs 187.5 in)
  • Width: Honda Civic Si is 1.9 in narrower (70.8 in vs 72.7 in)
  • Height: Audi S4 is 1.1 in taller (55.1 in vs 56.2 in)
  • Wheelbase: Audi S4 has a 4.7 in longer wheelbase (106.3 in vs 111.0 in)
  • Curb weight: Audi S4 is 950 lb heavier (2,898 lb vs 3,847 lb)

Biggest size differences

  1. Curb weight: Audi S4 is 950 lb heavier (2,898 lb vs 3,847 lb)
  2. Wheelbase: Audi S4 has a 4.7 in longer wheelbase (106.3 in vs 111.0 in)
  3. Length: Honda Civic Si is 7.4 in shorter (180.1 in vs 187.5 in)
  4. Width: Honda Civic Si is 1.9 in narrower (70.8 in vs 72.7 in)
  5. Height: Audi S4 is 1.1 in taller (55.1 in vs 56.2 in)

Practical verdicts

  • Easier to fit in a short garageHonda Civic Si — Honda Civic Si is shorter by 7.4 in Check garage fit for Honda Civic Si · garage fit for Audi S4
  • Narrower for tight parkingHonda Civic Si — Honda Civic Si is narrower by 1.9 in
  • Smaller exterior footprintHonda Civic Si — Based on length × width (Honda Civic Si)

Dimension comparison

SpecHonda Civic SiAudi S4Difference
Length180.1 in187.5 in7.4 in
Width70.8 in72.7 in1.9 in
Height55.1 in56.2 in1.1 in
Wheelbase106.3 in111.0 in4.7 in
Ground clearance—4.3 in—
Curb weight2,898 lb3,847 lb950 lb

Values use trim midpoints when a model year lists a range (e.g. length 177.3 in – 182.8 in).

Compare by year

Overlapping model years with dimension data.

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