Hyundai Sonata vs Kia Optima Dimensions & Size Comparison

Comparing 2014 catalog dimensions. Hyundai Sonata · Kia Optima

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

Side view
  • Length189.8 in
  • Height57.9 in
  • Wheelbase110.0 in
  • Curb weight3,245 lb – 3,527 lb
Front / width
  • Width72.2 in
  • Kia Optima width72.1 in

Which is bigger?

  • Length: Hyundai Sonata is 0.9 in shorter (189.8 in vs 190.7 in)
  • Width: Kia Optima is 0.1 in narrower (72.2 in vs 72.1 in)
  • Height: Hyundai Sonata is 0.8 in taller (57.9 in vs 57.1 in)
  • Wheelbase: essentially the same
  • Curb weight: Hyundai Sonata is 34 lb heavier (3,386 lb vs 3,353 lb)

Biggest size differences

  1. Height: Hyundai Sonata is 0.8 in taller (57.9 in vs 57.1 in)
  2. Curb weight: Hyundai Sonata is 34 lb heavier (3,386 lb vs 3,353 lb)
  3. Length: Hyundai Sonata is 0.9 in shorter (189.8 in vs 190.7 in)
  4. Width: Kia Optima is 0.1 in narrower (72.2 in vs 72.1 in)

Practical verdicts

Dimension comparison

SpecHyundai SonataKia OptimaDifference
Length189.8 in190.7 in0.9 in
Width72.2 in72.1 in0.1 in
Height57.9 in57.1 in0.8 in
Wheelbase110.0 in110.0 in0.0 in
Curb weight3,386 lb3,353 lb34 lb

Values use trim midpoints when a model year lists a range.

Compare by year

Overlapping model years with dimension data.

Already own one of these cars?

Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.