Spec Sizes

Acura TSX vs Kia Optima Dimensions & Size Comparison

Comparing 2007 catalog dimensions. Acura TSX · Kia Optima

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

Side view
  • Length183.5 in
  • Height57.3 in
  • Wheelbase105.1 in
  • Ground clearance6.1 in
  • Curb weight3,257 lb
Front / width
  • Width69.4 in
  • Kia Optima width71.1 in

Which is bigger?

  • Length: Acura TSX is 2.9 in shorter (183.5 in vs 186.4 in)
  • Width: Acura TSX is 1.7 in narrower (69.4 in vs 71.1 in)
  • Height: Kia Optima is 1.0 in taller (57.3 in vs 58.3 in)
  • Wheelbase: Kia Optima has a 2.0 in longer wheelbase (105.1 in vs 107.1 in)
  • Curb weight: Acura TSX is 43 lb heavier (3,257 lb vs 3,215 lb)

Biggest size differences

  1. Width: Acura TSX is 1.7 in narrower (69.4 in vs 71.1 in)
  2. Wheelbase: Kia Optima has a 2.0 in longer wheelbase (105.1 in vs 107.1 in)
  3. Height: Kia Optima is 1.0 in taller (57.3 in vs 58.3 in)
  4. Length: Acura TSX is 2.9 in shorter (183.5 in vs 186.4 in)
  5. Curb weight: Acura TSX is 43 lb heavier (3,257 lb vs 3,215 lb)

Practical verdicts

  • Easier to fit in a short garageAcura TSX — Acura TSX is shorter by 2.9 in Check garage fit for Acura TSX · garage fit for Kia Optima
  • Narrower for tight parkingAcura TSX — Acura TSX is narrower by 1.7 in
  • Smaller exterior footprintAcura TSX — Based on length × width (Acura TSX)

Dimension comparison

SpecAcura TSXKia OptimaDifference
Length183.5 in186.4 in2.9 in
Width69.4 in71.1 in1.7 in
Height57.3 in58.3 in1.0 in
Wheelbase105.1 in107.1 in2.0 in
Ground clearance6.1 in——
Curb weight3,257 lb3,215 lb43 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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