Spec Sizes

Kia Optima vs BMW M3 Dimensions & Size Comparison

Comparing 2015 catalog dimensions. Kia Optima · BMW M3

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
  • Ground clearance5.1 in
  • Curb weight3,237 lb – 3,468 lb
Front / width
  • Width72.1 in
  • BMW M3 width73.9 in

Which is bigger?

  • Length: BMW M3 is 6.2 in shorter (190.7 in vs 184.5 in)
  • Width: Kia Optima is 1.8 in narrower (72.1 in vs 73.9 in)
  • Height: Kia Optima is 1.0 in taller (57.1 in vs 56.1 in)
  • Wheelbase: BMW M3 has a 0.7 in longer wheelbase (110.0 in vs 110.7 in)
  • Ground clearance: Kia Optima has 0.4 in more ground clearance (5.1 in vs 4.7 in)
  • Curb weight: BMW M3 is 188 lb heavier (3,353 lb vs 3,540 lb)

Biggest size differences

  1. Ground clearance: Kia Optima has 0.4 in more ground clearance (5.1 in vs 4.7 in)
  2. Curb weight: BMW M3 is 188 lb heavier (3,353 lb vs 3,540 lb)
  3. Length: BMW M3 is 6.2 in shorter (190.7 in vs 184.5 in)
  4. Width: Kia Optima is 1.8 in narrower (72.1 in vs 73.9 in)
  5. Height: Kia Optima is 1.0 in taller (57.1 in vs 56.1 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 6.2 in Check garage fit for Kia Optima · garage fit for BMW M3
  • Narrower for tight parkingKia Optima — Kia Optima is narrower by 1.8 in
  • More ground clearanceKia Optima — Kia Optima has 0.4 in more clearance

Dimension comparison

SpecKia OptimaBMW M3Difference
Length190.7 in184.5 in6.2 in
Width72.1 in73.9 in1.8 in
Height57.1 in56.1 in1.0 in
Wheelbase110.0 in110.7 in0.7 in
Ground clearance5.1 in4.7 in0.4 in
Curb weight3,353 lb3,540 lb188 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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