Spec Sizes

Hyundai Sonata vs Kia Optima Dimensions & Size Comparison

Comparing 2010 catalog dimensions. Hyundai Sonata · Kia Optima

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

Side view
  • Length188.9 in
  • Height58.0 in
  • Wheelbase107.4 in
  • Curb weight3,292 lb – 3,494 lb
Front / width
  • Width72.1 in
  • Kia Optima width71.1 in

Which is bigger?

  • Length: Hyundai Sonata is 0.1 in shorter (188.9 in vs 189.0 in)
  • Width: Kia Optima is 1.0 in narrower (72.1 in vs 71.1 in)
  • Height: Kia Optima is 0.3 in taller (58.0 in vs 58.3 in)
  • Wheelbase: Hyundai Sonata has a 0.3 in longer wheelbase (107.4 in vs 107.1 in)
  • Curb weight: Hyundai Sonata is 168 lb heavier (3,393 lb vs 3,226 lb)

Biggest size differences

  1. Curb weight: Hyundai Sonata is 168 lb heavier (3,393 lb vs 3,226 lb)
  2. Width: Kia Optima is 1.0 in narrower (72.1 in vs 71.1 in)
  3. Height: Kia Optima is 0.3 in taller (58.0 in vs 58.3 in)
  4. Wheelbase: Hyundai Sonata has a 0.3 in longer wheelbase (107.4 in vs 107.1 in)
  5. Length: Hyundai Sonata is 0.1 in shorter (188.9 in vs 189.0 in)

Practical verdicts

  • Easier to fit in a short garageHyundai Sonata — Hyundai Sonata is shorter by 0.1 in Check garage fit for Hyundai Sonata · garage fit for Kia Optima
  • Narrower for tight parkingKia Optima — Kia Optima is narrower by 1.0 in
  • Smaller exterior footprintKia Optima — Based on length × width (Kia Optima)

Dimension comparison

SpecHyundai SonataKia OptimaDifference
Length188.9 in189.0 in0.1 in
Width72.1 in71.1 in1.0 in
Height58.0 in58.3 in0.3 in
Wheelbase107.4 in107.1 in0.3 in
Curb weight3,393 lb3,226 lb168 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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