Mazda Mazda6 vs Kia Optima Dimensions & Size Comparison

Comparing 2012 vs 2020 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 weight3,272 lb – 3,574 lb
Front / width
  • Width72.4 in
  • Kia Optima width73.2 in

Which is bigger?

  • Length: Kia Optima is 2.6 in shorter (193.7 in vs 191.1 in)
  • Width: Mazda Mazda6 is 0.8 in narrower (72.4 in vs 73.2 in)
  • Height: Mazda Mazda6 is 0.2 in taller (57.9 in vs 57.7 in)
  • Wheelbase: Kia Optima has a 0.6 in longer wheelbase (109.8 in vs 110.4 in)
  • Curb weight: Mazda Mazda6 is 29 lb heavier (3,423 lb vs 3,394 lb)

Biggest size differences

  1. Length: Kia Optima is 2.6 in shorter (193.7 in vs 191.1 in)
  2. Width: Mazda Mazda6 is 0.8 in narrower (72.4 in vs 73.2 in)
  3. Curb weight: Mazda Mazda6 is 29 lb heavier (3,423 lb vs 3,394 lb)
  4. Wheelbase: Kia Optima has a 0.6 in longer wheelbase (109.8 in vs 110.4 in)
  5. Height: Mazda Mazda6 is 0.2 in taller (57.9 in vs 57.7 in)

Practical verdicts

Dimension comparison

SpecMazda Mazda6Kia OptimaDifference
Length193.7 in191.1 in2.6 in
Width72.4 in73.2 in0.8 in
Height57.9 in57.7 in0.2 in
Wheelbase109.8 in110.4 in0.6 in
Ground clearance—5.3 in—
Curb weight3,423 lb3,394 lb29 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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