Kia Optima vs BMW M3 Dimensions & Size Comparison

Comparing 2018 catalog dimensions. Kia Optima · BMW M3

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

Side view
  • Length191.1 in
  • Height57.7 in
  • Wheelbase110.4 in
  • Ground clearance5.3 in
  • Curb weight3,219 lb – 3,494 lb
Front / width
  • Width73.2 in
  • BMW M3 width73.9 in

Which is bigger?

  • Length: BMW M3 is 6.6 in shorter (191.1 in vs 184.5 in)
  • Width: Kia Optima is 0.7 in narrower (73.2 in vs 73.9 in)
  • Height: Kia Optima is 1.6 in taller (57.7 in vs 56.1 in)
  • Wheelbase: BMW M3 has a 0.3 in longer wheelbase (110.4 in vs 110.7 in)
  • Ground clearance: Kia Optima has 0.6 in more ground clearance (5.3 in vs 4.7 in)
  • Curb weight: BMW M3 is 184 lb heavier (3,357 lb vs 3,540 lb)

Biggest size differences

  1. Ground clearance: Kia Optima has 0.6 in more ground clearance (5.3 in vs 4.7 in)
  2. Curb weight: BMW M3 is 184 lb heavier (3,357 lb vs 3,540 lb)
  3. Length: BMW M3 is 6.6 in shorter (191.1 in vs 184.5 in)
  4. Height: Kia Optima is 1.6 in taller (57.7 in vs 56.1 in)
  5. Width: Kia Optima is 0.7 in narrower (73.2 in vs 73.9 in)

Practical verdicts

  • Easier to fit in a short garageBMW M3BMW M3 is shorter by 6.6 in Check garage fit for Kia Optima · garage fit for BMW M3
  • Narrower for tight parkingKia OptimaKia Optima is narrower by 0.7 in
  • More ground clearanceKia OptimaKia Optima has 0.6 in more clearance
  • Smaller exterior footprintBMW M3Based on length × width (BMW M3)

Dimension comparison

SpecKia OptimaBMW M3Difference
Length191.1 in184.5 in6.6 in
Width73.2 in73.9 in0.7 in
Height57.7 in56.1 in1.6 in
Wheelbase110.4 in110.7 in0.3 in
Ground clearance5.3 in4.7 in0.6 in
Curb weight3,357 lb3,540 lb184 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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