Spec Sizes

Acura TSX vs Kia Optima Dimensions & Size Comparison

Comparing 2014 catalog dimensions. Acura TSX · Kia Optima

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

Side view
  • Length185.6 in – 189.2 in
  • Height56.7 in – 57.9 in
  • Wheelbase106.5 in
  • Curb weight3,479 lb – 3,680 lb
Front / width
  • Width72.4 in
  • Kia Optima width72.1 in

Which is bigger?

  • Length: Acura TSX is 3.3 in shorter (187.4 in vs 190.7 in)
  • Width: Kia Optima is 0.3 in narrower (72.4 in vs 72.1 in)
  • Height: Acura TSX is 0.2 in taller (57.3 in vs 57.1 in)
  • Wheelbase: Kia Optima has a 3.5 in longer wheelbase (106.5 in vs 110.0 in)
  • Curb weight: Acura TSX is 227 lb heavier (3,580 lb vs 3,353 lb)

Biggest size differences

  1. Curb weight: Acura TSX is 227 lb heavier (3,580 lb vs 3,353 lb)
  2. Wheelbase: Kia Optima has a 3.5 in longer wheelbase (106.5 in vs 110.0 in)
  3. Length: Acura TSX is 3.3 in shorter (187.4 in vs 190.7 in)
  4. Width: Kia Optima is 0.3 in narrower (72.4 in vs 72.1 in)
  5. Height: Acura TSX is 0.2 in taller (57.3 in vs 57.1 in)

Practical verdicts

  • Easier to fit in a short garageAcura TSX — Acura TSX is shorter by 3.3 in Check garage fit for Acura TSX · garage fit for Kia Optima
  • Narrower for tight parkingKia Optima — Kia Optima is narrower by 0.3 in
  • Smaller exterior footprintAcura TSX — Based on length × width (Acura TSX)

Dimension comparison

SpecAcura TSXKia OptimaDifference
Length187.4 in190.7 in3.3 in
Width72.4 in72.1 in0.3 in
Height57.3 in57.1 in0.2 in
Wheelbase106.5 in110.0 in3.5 in
Curb weight3,580 lb3,353 lb227 lb

Values use trim midpoints when a model year lists a range (e.g. length 185.6 in – 189.2 in).

Compare by year

Overlapping model years with dimension data.

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