Spec Sizes

Honda Civic Si vs Audi A4 Dimensions & Size Comparison

Comparing 2019 catalog dimensions. Honda Civic Si · Audi A4

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 A4 width72.5 in

Which is bigger?

  • Length: Honda Civic Si is 6.0 in shorter (180.1 in vs 186.1 in)
  • Width: Honda Civic Si is 1.7 in narrower (70.8 in vs 72.5 in)
  • Height: Audi A4 is 1.1 in taller (55.1 in vs 56.2 in)
  • Wheelbase: Audi A4 has a 4.7 in longer wheelbase (106.3 in vs 111.0 in)
  • Curb weight: Audi A4 is 641 lb heavier (2,898 lb vs 3,539 lb)

Biggest size differences

  1. Curb weight: Audi A4 is 641 lb heavier (2,898 lb vs 3,539 lb)
  2. Wheelbase: Audi A4 has a 4.7 in longer wheelbase (106.3 in vs 111.0 in)
  3. Length: Honda Civic Si is 6.0 in shorter (180.1 in vs 186.1 in)
  4. Width: Honda Civic Si is 1.7 in narrower (70.8 in vs 72.5 in)
  5. Height: Audi A4 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 6.0 in Check garage fit for Honda Civic Si · garage fit for Audi A4
  • Narrower for tight parkingHonda Civic Si — Honda Civic Si is narrower by 1.7 in
  • Smaller exterior footprintHonda Civic Si — Based on length × width (Honda Civic Si)

Dimension comparison

SpecHonda Civic SiAudi A4Difference
Length180.1 in186.1 in6.0 in
Width70.8 in72.5 in1.7 in
Height55.1 in56.2 in1.1 in
Wheelbase106.3 in111.0 in4.7 in
Ground clearance—8.0 in—
Curb weight2,898 lb3,539 lb641 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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