Kia Optima vs BMW i4 Dimensions & Size Comparison

Comparing 2014 vs 2023 catalog dimensions. Kia Optima · BMW i4

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
  • BMW i4 width72.9 in

Which is bigger?

  • Length: BMW i4 is 2.2 in shorter (190.7 in vs 188.5 in)
  • Width: Kia Optima is 0.8 in narrower (72.1 in vs 72.9 in)
  • Height: Kia Optima is 0.1 in taller (57.1 in vs 57.0 in)
  • Wheelbase: BMW i4 has a 2.4 in longer wheelbase (110.0 in vs 112.4 in)
  • Curb weight: BMW i4 is 1,497 lb heavier (3,353 lb vs 4,849 lb)

Biggest size differences

  1. Curb weight: BMW i4 is 1,497 lb heavier (3,353 lb vs 4,849 lb)
  2. Wheelbase: BMW i4 has a 2.4 in longer wheelbase (110.0 in vs 112.4 in)
  3. Length: BMW i4 is 2.2 in shorter (190.7 in vs 188.5 in)
  4. Width: Kia Optima is 0.8 in narrower (72.1 in vs 72.9 in)
  5. Height: Kia Optima is 0.1 in taller (57.1 in vs 57.0 in)

Practical verdicts

Dimension comparison

SpecKia OptimaBMW i4Difference
Length190.7 in188.5 in2.2 in
Width72.1 in72.9 in0.8 in
Height57.1 in57.0 in0.1 in
Wheelbase110.0 in112.4 in2.4 in
Curb weight3,353 lb4,849 lb1,497 lb

Values use trim midpoints when a model year lists a range.

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