Spec Sizes

Kia Optima vs Mazda Mazda6 Dimensions & Size Comparison

Comparing 2014 vs 2021 catalog dimensions. Kia Optima · Mazda Mazda6

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

Side view
  • Length190.7 in
  • Height57.1 in
  • Wheelbase110.0 in
  • Curb weight3,237 lb – 3,468 lb
Front / width
  • Width72.1 in
  • Mazda Mazda6 width72.4 in

Which is bigger?

  • Length: Kia Optima is 2.0 in shorter (190.7 in vs 192.7 in)
  • Width: Kia Optima is 0.3 in narrower (72.1 in vs 72.4 in)
  • Height: essentially the same
  • Wheelbase: Mazda Mazda6 has a 1.4 in longer wheelbase (110.0 in vs 111.4 in)
  • Curb weight: Mazda Mazda6 is 157 lb heavier (3,353 lb vs 3,510 lb)

Biggest size differences

  1. Curb weight: Mazda Mazda6 is 157 lb heavier (3,353 lb vs 3,510 lb)
  2. Wheelbase: Mazda Mazda6 has a 1.4 in longer wheelbase (110.0 in vs 111.4 in)
  3. Length: Kia Optima is 2.0 in shorter (190.7 in vs 192.7 in)
  4. Width: Kia Optima is 0.3 in narrower (72.1 in vs 72.4 in)

Practical verdicts

  • Easier to fit in a short garageKia Optima — Kia Optima is shorter by 2.0 in Check garage fit for Kia Optima · garage fit for Mazda Mazda6
  • Narrower for tight parkingKia Optima — Kia Optima is narrower by 0.3 in
  • Smaller exterior footprintKia Optima — Based on length × width (Kia Optima)

Dimension comparison

SpecKia OptimaMazda Mazda6Difference
Length190.7 in192.7 in2.0 in
Width72.1 in72.4 in0.3 in
Height57.1 in57.1 in0.0 in
Wheelbase110.0 in111.4 in1.4 in
Ground clearance—6.5 in—
Curb weight3,353 lb3,510 lb157 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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