Spec Sizes

Kia Optima vs Infiniti Q50 Dimensions & Size Comparison

Comparing 2017 catalog dimensions. Kia Optima · Infiniti Q50

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 – 3,594 lb
Front / width
  • Width73.2 in
  • Infiniti Q50 width71.8 in

Which is bigger?

  • Length: Infiniti Q50 is 2.4 in shorter (191.1 in vs 188.7 in)
  • Width: Infiniti Q50 is 1.4 in narrower (73.2 in vs 71.8 in)
  • Height: Kia Optima is 0.7 in taller (57.7 in vs 57.0 in)
  • Wheelbase: Infiniti Q50 has a 1.8 in longer wheelbase (110.4 in vs 112.2 in)
  • Ground clearance: Kia Optima has 0.3 in more ground clearance (5.3 in vs 5.0 in)
  • Curb weight: Infiniti Q50 is 429 lb heavier (3,407 lb vs 3,836 lb)

Biggest size differences

  1. Curb weight: Infiniti Q50 is 429 lb heavier (3,407 lb vs 3,836 lb)
  2. Ground clearance: Kia Optima has 0.3 in more ground clearance (5.3 in vs 5.0 in)
  3. Width: Infiniti Q50 is 1.4 in narrower (73.2 in vs 71.8 in)
  4. Wheelbase: Infiniti Q50 has a 1.8 in longer wheelbase (110.4 in vs 112.2 in)
  5. Length: Infiniti Q50 is 2.4 in shorter (191.1 in vs 188.7 in)

Practical verdicts

  • Easier to fit in a short garageInfiniti Q50 — Infiniti Q50 is shorter by 2.4 in Check garage fit for Kia Optima · garage fit for Infiniti Q50
  • Narrower for tight parkingInfiniti Q50 — Infiniti Q50 is narrower by 1.4 in
  • More ground clearanceKia Optima — Kia Optima has 0.3 in more clearance
  • Smaller exterior footprintInfiniti Q50 — Based on length × width (Infiniti Q50)

Dimension comparison

SpecKia OptimaInfiniti Q50Difference
Length191.1 in188.7 in2.4 in
Width73.2 in71.8 in1.4 in
Height57.7 in57.0 in0.7 in
Wheelbase110.4 in112.2 in1.8 in
Ground clearance5.3 in5.0 in0.3 in
Curb weight3,407 lb3,836 lb429 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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