Spec Sizes

Kia Optima vs BMW i4 Dimensions & Size Comparison

Comparing 2020 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
  • Length191.1 in
  • Height57.7 in
  • Wheelbase110.4 in
  • Ground clearance5.3 in
  • Curb weight3,230 lb – 3,558 lb
Front / width
  • Width73.2 in
  • BMW i4 width72.9 in

Which is bigger?

  • Length: BMW i4 is 2.6 in shorter (191.1 in vs 188.5 in)
  • Width: BMW i4 is 0.3 in narrower (73.2 in vs 72.9 in)
  • Height: Kia Optima is 0.7 in taller (57.7 in vs 57.0 in)
  • Wheelbase: BMW i4 has a 2.0 in longer wheelbase (110.4 in vs 112.4 in)
  • Curb weight: BMW i4 is 1,455 lb heavier (3,394 lb vs 4,849 lb)

Biggest size differences

  1. Curb weight: BMW i4 is 1,455 lb heavier (3,394 lb vs 4,849 lb)
  2. Wheelbase: BMW i4 has a 2.0 in longer wheelbase (110.4 in vs 112.4 in)
  3. Length: BMW i4 is 2.6 in shorter (191.1 in vs 188.5 in)
  4. Height: Kia Optima is 0.7 in taller (57.7 in vs 57.0 in)
  5. Width: BMW i4 is 0.3 in narrower (73.2 in vs 72.9 in)

Practical verdicts

  • Easier to fit in a short garageBMW i4 — BMW i4 is shorter by 2.6 in Check garage fit for Kia Optima · garage fit for BMW i4
  • Narrower for tight parkingBMW i4 — BMW i4 is narrower by 0.3 in
  • Smaller exterior footprintBMW i4 — Based on length × width (BMW i4)

Dimension comparison

SpecKia OptimaBMW i4Difference
Length191.1 in188.5 in2.6 in
Width73.2 in72.9 in0.3 in
Height57.7 in57.0 in0.7 in
Wheelbase110.4 in112.4 in2.0 in
Ground clearance5.3 in——
Curb weight3,394 lb4,849 lb1,455 lb

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

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