Spec Sizes

Kia Optima vs Hyundai Sonata Dimensions & Size Comparison

Comparing 2008 catalog dimensions. Kia Optima · Hyundai Sonata

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

Side view
  • Length186.4 in
  • Height58.3 in
  • Wheelbase107.1 in
  • Curb weight3,142 lb – 3,287 lb
Front / width
  • Width71.1 in
  • Hyundai Sonata width72.1 in

Which is bigger?

  • Length: Kia Optima is 2.5 in shorter (186.4 in vs 188.9 in)
  • Width: Kia Optima is 1.0 in narrower (71.1 in vs 72.1 in)
  • Height: Kia Optima is 0.3 in taller (58.3 in vs 58.0 in)
  • Wheelbase: Hyundai Sonata has a 0.3 in longer wheelbase (107.1 in vs 107.4 in)
  • Curb weight: Hyundai Sonata is 141 lb heavier (3,215 lb vs 3,356 lb)

Biggest size differences

  1. Curb weight: Hyundai Sonata is 141 lb heavier (3,215 lb vs 3,356 lb)
  2. Width: Kia Optima is 1.0 in narrower (71.1 in vs 72.1 in)
  3. Length: Kia Optima is 2.5 in shorter (186.4 in vs 188.9 in)
  4. Height: Kia Optima is 0.3 in taller (58.3 in vs 58.0 in)
  5. Wheelbase: Hyundai Sonata has a 0.3 in longer wheelbase (107.1 in vs 107.4 in)

Practical verdicts

  • Easier to fit in a short garageKia Optima — Kia Optima is shorter by 2.5 in Check garage fit for Kia Optima · garage fit for Hyundai Sonata
  • 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

SpecKia OptimaHyundai SonataDifference
Length186.4 in188.9 in2.5 in
Width71.1 in72.1 in1.0 in
Height58.3 in58.0 in0.3 in
Wheelbase107.1 in107.4 in0.3 in
Curb weight3,215 lb3,356 lb141 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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