Spec Sizes

Kia Optima vs Nissan Altima Dimensions & Size Comparison

Comparing 2014 vs 2022 catalog dimensions. Kia Optima · Nissan Altima

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
  • Nissan Altima width72.9 in

Which is bigger?

  • Length: Kia Optima is 2.2 in shorter (190.7 in vs 192.9 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: Nissan Altima has a 1.2 in longer wheelbase (110.0 in vs 111.2 in)
  • Curb weight: Nissan Altima is 16 lb heavier (3,353 lb vs 3,368 lb)

Biggest size differences

  1. Length: Kia Optima is 2.2 in shorter (190.7 in vs 192.9 in)
  2. Width: Kia Optima is 0.8 in narrower (72.1 in vs 72.9 in)
  3. Wheelbase: Nissan Altima has a 1.2 in longer wheelbase (110.0 in vs 111.2 in)
  4. Curb weight: Nissan Altima is 16 lb heavier (3,353 lb vs 3,368 lb)
  5. Height: Kia Optima is 0.1 in taller (57.1 in vs 57.0 in)

Practical verdicts

  • Easier to fit in a short garageKia Optima — Kia Optima is shorter by 2.2 in Check garage fit for Kia Optima · garage fit for Nissan Altima
  • Narrower for tight parkingKia Optima — Kia Optima is narrower by 0.8 in
  • Smaller exterior footprintKia Optima — Based on length × width (Kia Optima)

Dimension comparison

SpecKia OptimaNissan AltimaDifference
Length190.7 in192.9 in2.2 in
Width72.1 in72.9 in0.8 in
Height57.1 in57.0 in0.1 in
Wheelbase110.0 in111.2 in1.2 in
Ground clearance—5.2 in—
Curb weight3,353 lb3,368 lb16 lb

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

Compare by year

Overlapping model years with dimension data.

Already own one of these cars?

Jump to maintenance sizes on the vehicle page — tires, wipers, battery, and oil when present in the catalog.