Spec Sizes

Audi A3 vs Acura RSX Dimensions & Size Comparison

Comparing 2018 vs 2006 catalog dimensions. Audi A3 · Acura RSX

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

Side view
  • Length174.1 in – 175.5 in
  • Height55.5 in – 55.7 in
  • Wheelbase102.2 in – 103.8 in
  • Ground clearance5.5 in – 6.0 in
  • Curb weight3,197 lb – 3,627 lb
Front / width
  • Width70.7 in
  • Acura RSX width67.9 in

Which is bigger?

  • Length: Acura RSX is 2.4 in shorter (174.8 in vs 172.4 in)
  • Width: Acura RSX is 2.8 in narrower (70.7 in vs 67.9 in)
  • Height: Audi A3 is 0.7 in taller (55.6 in vs 54.9 in)
  • Wheelbase: Audi A3 has a 1.8 in longer wheelbase (103.0 in vs 101.2 in)
  • Curb weight: Audi A3 is 625 lb heavier (3,412 lb vs 2,787 lb)

Biggest size differences

  1. Curb weight: Audi A3 is 625 lb heavier (3,412 lb vs 2,787 lb)
  2. Width: Acura RSX is 2.8 in narrower (70.7 in vs 67.9 in)
  3. Wheelbase: Audi A3 has a 1.8 in longer wheelbase (103.0 in vs 101.2 in)
  4. Length: Acura RSX is 2.4 in shorter (174.8 in vs 172.4 in)
  5. Height: Audi A3 is 0.7 in taller (55.6 in vs 54.9 in)

Practical verdicts

  • Easier to fit in a short garageAcura RSX — Acura RSX is shorter by 2.4 in Check garage fit for Audi A3 · garage fit for Acura RSX
  • Narrower for tight parkingAcura RSX — Acura RSX is narrower by 2.8 in
  • Smaller exterior footprintAcura RSX — Based on length × width (Acura RSX)

Dimension comparison

SpecAudi A3Acura RSXDifference
Length174.8 in172.4 in2.4 in
Width70.7 in67.9 in2.8 in
Height55.6 in54.9 in0.7 in
Wheelbase103.0 in101.2 in1.8 in
Ground clearance5.8 in——
Curb weight3,412 lb2,787 lb625 lb

Values use trim midpoints when a model year lists a range (e.g. length 174.1 in – 175.5 in).

Compare by year

Overlapping model years with dimension data.

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