Spec Sizes

Audi A4 vs Honda Civic Si Dimensions & Size Comparison

Comparing 2019 catalog dimensions. Audi A4 · Honda Civic Si

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

Side view
  • Length186.1 in
  • Height56.2 in
  • Wheelbase111.0 in
  • Ground clearance8.0 in
  • Curb weight3,450 lb – 3,627 lb
Front / width
  • Width72.5 in
  • Honda Civic Si width70.8 in – 70.9 in

Which is bigger?

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

Biggest size differences

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

SpecAudi A4Honda Civic SiDifference
Length186.1 in180.1 in6.0 in
Width72.5 in70.8 in1.7 in
Height56.2 in55.1 in1.1 in
Wheelbase111.0 in106.3 in4.7 in
Ground clearance8.0 in——
Curb weight3,539 lb2,898 lb641 lb

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

Compare by year

Overlapping model years with dimension data.

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