Spec Sizes

Mazda Mazda6 vs Kia Optima Dimensions & Size Comparison

Comparing 2010 catalog dimensions. Mazda Mazda6 · Kia Optima

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

Side view
  • Length193.7 in
  • Height57.9 in
  • Wheelbase109.8 in
  • Curb weight3,258 lb – 3,547 lb
Front / width
  • Width72.4 in
  • Kia Optima width71.1 in

Which is bigger?

  • Length: Kia Optima is 4.7 in shorter (193.7 in vs 189.0 in)
  • Width: Kia Optima is 1.3 in narrower (72.4 in vs 71.1 in)
  • Height: Kia Optima is 0.4 in taller (57.9 in vs 58.3 in)
  • Wheelbase: Mazda Mazda6 has a 2.7 in longer wheelbase (109.8 in vs 107.1 in)
  • Curb weight: Mazda Mazda6 is 177 lb heavier (3,403 lb vs 3,226 lb)

Biggest size differences

  1. Curb weight: Mazda Mazda6 is 177 lb heavier (3,403 lb vs 3,226 lb)
  2. Wheelbase: Mazda Mazda6 has a 2.7 in longer wheelbase (109.8 in vs 107.1 in)
  3. Length: Kia Optima is 4.7 in shorter (193.7 in vs 189.0 in)
  4. Width: Kia Optima is 1.3 in narrower (72.4 in vs 71.1 in)
  5. Height: Kia Optima is 0.4 in taller (57.9 in vs 58.3 in)

Practical verdicts

  • Easier to fit in a short garageKia Optima — Kia Optima is shorter by 4.7 in Check garage fit for Mazda Mazda6 · garage fit for Kia Optima
  • Narrower for tight parkingKia Optima — Kia Optima is narrower by 1.3 in
  • Smaller exterior footprintKia Optima — Based on length × width (Kia Optima)

Dimension comparison

SpecMazda Mazda6Kia OptimaDifference
Length193.7 in189.0 in4.7 in
Width72.4 in71.1 in1.3 in
Height57.9 in58.3 in0.4 in
Wheelbase109.8 in107.1 in2.7 in
Curb weight3,403 lb3,226 lb177 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.