Spec Sizes

Audi A3 vs Kia Optima Dimensions & Size Comparison

Comparing 2019 catalog dimensions. Audi A3 · Kia Optima

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 clearance6.0 in
  • Curb weight3,197 lb – 3,660 lb
Front / width
  • Width70.6 in – 70.7 in
  • Kia Optima width73.2 in

Which is bigger?

  • Length: Audi A3 is 16.3 in shorter (174.8 in vs 191.1 in)
  • Width: Audi A3 is 2.5 in narrower (70.7 in vs 73.2 in)
  • Height: Kia Optima is 2.1 in taller (55.6 in vs 57.7 in)
  • Wheelbase: Kia Optima has a 7.4 in longer wheelbase (103.0 in vs 110.4 in)
  • Ground clearance: Audi A3 has 0.7 in more ground clearance (6.0 in vs 5.3 in)
  • Curb weight: Audi A3 is 35 lb heavier (3,429 lb vs 3,394 lb)

Biggest size differences

  1. Ground clearance: Audi A3 has 0.7 in more ground clearance (6.0 in vs 5.3 in)
  2. Length: Audi A3 is 16.3 in shorter (174.8 in vs 191.1 in)
  3. Wheelbase: Kia Optima has a 7.4 in longer wheelbase (103.0 in vs 110.4 in)
  4. Height: Kia Optima is 2.1 in taller (55.6 in vs 57.7 in)
  5. Width: Audi A3 is 2.5 in narrower (70.7 in vs 73.2 in)

Practical verdicts

  • Easier to fit in a short garageAudi A3 — Audi A3 is shorter by 16.3 in Check garage fit for Audi A3 · garage fit for Kia Optima
  • Narrower for tight parkingAudi A3 — Audi A3 is narrower by 2.5 in
  • More ground clearanceAudi A3 — Audi A3 has 0.7 in more clearance
  • Smaller exterior footprintAudi A3 — Based on length × width (Audi A3)

Dimension comparison

SpecAudi A3Kia OptimaDifference
Length174.8 in191.1 in16.3 in
Width70.7 in73.2 in2.5 in
Height55.6 in57.7 in2.1 in
Wheelbase103.0 in110.4 in7.4 in
Ground clearance6.0 in5.3 in0.7 in
Curb weight3,429 lb3,394 lb35 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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