Spec Sizes

Audi A3 vs Infiniti Q50 Dimensions & Size Comparison

Comparing 2018 catalog dimensions. Audi A3 · Infiniti Q50

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
  • Infiniti Q50 width71.8 in

Which is bigger?

  • Length: Audi A3 is 14.8 in shorter (174.8 in vs 189.6 in)
  • Width: Audi A3 is 1.1 in narrower (70.7 in vs 71.8 in)
  • Height: Infiniti Q50 is 1.4 in taller (55.6 in vs 57.0 in)
  • Wheelbase: Infiniti Q50 has a 9.2 in longer wheelbase (103.0 in vs 112.2 in)
  • Ground clearance: Audi A3 has 0.8 in more ground clearance (5.8 in vs 5.0 in)
  • Curb weight: Infiniti Q50 is 420 lb heavier (3,412 lb vs 3,832 lb)

Biggest size differences

  1. Ground clearance: Audi A3 has 0.8 in more ground clearance (5.8 in vs 5.0 in)
  2. Curb weight: Infiniti Q50 is 420 lb heavier (3,412 lb vs 3,832 lb)
  3. Wheelbase: Infiniti Q50 has a 9.2 in longer wheelbase (103.0 in vs 112.2 in)
  4. Length: Audi A3 is 14.8 in shorter (174.8 in vs 189.6 in)
  5. Height: Infiniti Q50 is 1.4 in taller (55.6 in vs 57.0 in)

Practical verdicts

  • Easier to fit in a short garageAudi A3 — Audi A3 is shorter by 14.8 in Check garage fit for Audi A3 · garage fit for Infiniti Q50
  • Narrower for tight parkingAudi A3 — Audi A3 is narrower by 1.1 in
  • More ground clearanceAudi A3 — Audi A3 has 0.8 in more clearance
  • Smaller exterior footprintAudi A3 — Based on length × width (Audi A3)

Dimension comparison

SpecAudi A3Infiniti Q50Difference
Length174.8 in189.6 in14.8 in
Width70.7 in71.8 in1.1 in
Height55.6 in57.0 in1.4 in
Wheelbase103.0 in112.2 in9.2 in
Ground clearance5.8 in5.0 in0.8 in
Curb weight3,412 lb3,832 lb420 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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