Spec Sizes

Hyundai Sonata vs Kia Optima Dimensions & Size Comparison

Comparing 2006 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 weight3,253 lb – 3,458 lb
Front / width
  • Width72.1 in
  • Kia Optima width71.1 in – 71.5 in

Which is bigger?

  • Length: Kia Optima is 2.8 in shorter (188.9 in vs 186.1 in)
  • Width: Kia Optima is 0.8 in narrower (72.1 in vs 71.3 in)
  • Height: Hyundai Sonata is 1.1 in taller (58.0 in vs 56.9 in)
  • Wheelbase: Hyundai Sonata has a 0.7 in longer wheelbase (107.4 in vs 106.7 in)
  • Curb weight: Hyundai Sonata is 134 lb heavier (3,356 lb vs 3,222 lb)

Biggest size differences

  1. Curb weight: Hyundai Sonata is 134 lb heavier (3,356 lb vs 3,222 lb)
  2. Height: Hyundai Sonata is 1.1 in taller (58.0 in vs 56.9 in)
  3. Length: Kia Optima is 2.8 in shorter (188.9 in vs 186.1 in)
  4. Width: Kia Optima is 0.8 in narrower (72.1 in vs 71.3 in)
  5. Wheelbase: Hyundai Sonata has a 0.7 in longer wheelbase (107.4 in vs 106.7 in)

Practical verdicts

  • Easier to fit in a short garageKia Optima — Kia Optima is shorter by 2.8 in Check garage fit for Hyundai Sonata · garage fit for Kia Optima
  • Narrower for tight parkingKia Optima — Kia Optima is narrower by 0.8 in
  • Smaller exterior footprintKia Optima — Based on length × width (Kia Optima)

Dimension comparison

SpecHyundai SonataKia OptimaDifference
Length188.9 in186.1 in2.8 in
Width72.1 in71.3 in0.8 in
Height58.0 in56.9 in1.1 in
Wheelbase107.4 in106.7 in0.7 in
Curb weight3,356 lb3,222 lb134 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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