Spec Sizes

Acura TSX vs Kia Optima Dimensions & Size Comparison

Comparing 2005 catalog dimensions. Acura TSX · Kia Optima

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

Side view
  • Length183.3 in
  • Height57.3 in
  • Wheelbase105.1 in
  • Ground clearance6.2 in
  • Curb weight3,230 lb
Front / width
  • Width69.4 in
  • Kia Optima width71.5 in

Which is bigger?

  • Length: Acura TSX is 2.5 in shorter (183.3 in vs 185.8 in)
  • Width: Acura TSX is 2.1 in narrower (69.4 in vs 71.5 in)
  • Height: Acura TSX is 1.8 in taller (57.3 in vs 55.5 in)
  • Wheelbase: Kia Optima has a 1.2 in longer wheelbase (105.1 in vs 106.3 in)
  • Curb weight: Kia Optima is 60 lb heavier (3,230 lb vs 3,290 lb)

Biggest size differences

  1. Height: Acura TSX is 1.8 in taller (57.3 in vs 55.5 in)
  2. Width: Acura TSX is 2.1 in narrower (69.4 in vs 71.5 in)
  3. Curb weight: Kia Optima is 60 lb heavier (3,230 lb vs 3,290 lb)
  4. Length: Acura TSX is 2.5 in shorter (183.3 in vs 185.8 in)
  5. Wheelbase: Kia Optima has a 1.2 in longer wheelbase (105.1 in vs 106.3 in)

Practical verdicts

  • Easier to fit in a short garageAcura TSX — Acura TSX is shorter by 2.5 in Check garage fit for Acura TSX · garage fit for Kia Optima
  • Narrower for tight parkingAcura TSX — Acura TSX is narrower by 2.1 in
  • Smaller exterior footprintAcura TSX — Based on length × width (Acura TSX)

Dimension comparison

SpecAcura TSXKia OptimaDifference
Length183.3 in185.8 in2.5 in
Width69.4 in71.5 in2.1 in
Height57.3 in55.5 in1.8 in
Wheelbase105.1 in106.3 in1.2 in
Ground clearance6.2 in——
Curb weight3,230 lb3,290 lb60 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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