Spec Sizes

Kia Optima vs Acura TSX Dimensions & Size Comparison

Comparing 2020 vs 2014 catalog dimensions. Kia Optima · Acura TSX

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

Side view
  • Length191.1 in
  • Height57.7 in
  • Wheelbase110.4 in
  • Ground clearance5.3 in
  • Curb weight3,230 lb – 3,558 lb
Front / width
  • Width73.2 in
  • Acura TSX width72.4 in

Which is bigger?

  • Length: Acura TSX is 3.7 in shorter (191.1 in vs 187.4 in)
  • Width: Acura TSX is 0.8 in narrower (73.2 in vs 72.4 in)
  • Height: Kia Optima is 0.4 in taller (57.7 in vs 57.3 in)
  • Wheelbase: Kia Optima has a 3.9 in longer wheelbase (110.4 in vs 106.5 in)
  • Curb weight: Acura TSX is 186 lb heavier (3,394 lb vs 3,580 lb)

Biggest size differences

  1. Curb weight: Acura TSX is 186 lb heavier (3,394 lb vs 3,580 lb)
  2. Wheelbase: Kia Optima has a 3.9 in longer wheelbase (110.4 in vs 106.5 in)
  3. Length: Acura TSX is 3.7 in shorter (191.1 in vs 187.4 in)
  4. Width: Acura TSX is 0.8 in narrower (73.2 in vs 72.4 in)
  5. Height: Kia Optima is 0.4 in taller (57.7 in vs 57.3 in)

Practical verdicts

  • Easier to fit in a short garageAcura TSX — Acura TSX is shorter by 3.7 in Check garage fit for Kia Optima · garage fit for Acura TSX
  • Narrower for tight parkingAcura TSX — Acura TSX is narrower by 0.8 in
  • Smaller exterior footprintAcura TSX — Based on length × width (Acura TSX)

Dimension comparison

SpecKia OptimaAcura TSXDifference
Length191.1 in187.4 in3.7 in
Width73.2 in72.4 in0.8 in
Height57.7 in57.3 in0.4 in
Wheelbase110.4 in106.5 in3.9 in
Ground clearance5.3 in——
Curb weight3,394 lb3,580 lb186 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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