Kia Optima vs Hyundai Sonata Dimensions & Size Comparison

Comparing 2018 catalog dimensions. Kia Optima · Hyundai Sonata

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

Side view
  • Length191.1 in
  • Height57.7 in
  • Wheelbase110.4 in
  • Ground clearance5.3 in
  • Curb weight3,219 lb – 3,494 lb
Front / width
  • Width73.2 in
  • Hyundai Sonata width73.4 in

Which is bigger?

  • Length: essentially the same
  • Width: Kia Optima is 0.2 in narrower (73.2 in vs 73.4 in)
  • Height: Hyundai Sonata is 0.4 in taller (57.7 in vs 58.1 in)
  • Wheelbase: essentially the same
  • Ground clearance: essentially the same
  • Curb weight: Hyundai Sonata is 48 lb heavier (3,357 lb vs 3,404 lb)

Biggest size differences

  1. Curb weight: Hyundai Sonata is 48 lb heavier (3,357 lb vs 3,404 lb)
  2. Height: Hyundai Sonata is 0.4 in taller (57.7 in vs 58.1 in)
  3. Width: Kia Optima is 0.2 in narrower (73.2 in vs 73.4 in)

Practical verdicts

  • Narrower for tight parkingKia OptimaKia Optima is narrower by 0.2 in

Dimension comparison

SpecKia OptimaHyundai SonataDifference
Length191.1 in191.1 in0.0 in
Width73.2 in73.4 in0.2 in
Height57.7 in58.1 in0.4 in
Wheelbase110.4 in110.4 in0.0 in
Ground clearance5.3 in5.3 in0.0 in
Curb weight3,357 lb3,404 lb48 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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