Spec Sizes

Kia Optima vs Nissan Altima Dimensions & Size Comparison

Comparing 2012 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
  • Height57.3 in
  • Wheelbase110.0 in
  • Curb weight3,206 lb – 3,385 lb
Front / width
  • Width72.1 in
  • Nissan Altima width70.7 in

Which is bigger?

  • Length: Nissan Altima is 4.9 in shorter (190.7 in vs 185.8 in)
  • Width: Nissan Altima is 1.4 in narrower (72.1 in vs 70.7 in)
  • Height: Kia Optima is 0.3 in taller (57.3 in vs 57.0 in)
  • Wheelbase: Kia Optima has a 2.7 in longer wheelbase (110.0 in vs 107.3 in)
  • Curb weight: Kia Optima is 77 lb heavier (3,296 lb vs 3,219 lb)

Biggest size differences

  1. Length: Nissan Altima is 4.9 in shorter (190.7 in vs 185.8 in)
  2. Wheelbase: Kia Optima has a 2.7 in longer wheelbase (110.0 in vs 107.3 in)
  3. Curb weight: Kia Optima is 77 lb heavier (3,296 lb vs 3,219 lb)
  4. Width: Nissan Altima is 1.4 in narrower (72.1 in vs 70.7 in)
  5. Height: Kia Optima is 0.3 in taller (57.3 in vs 57.0 in)

Practical verdicts

  • Easier to fit in a short garageNissan Altima — Nissan Altima is shorter by 4.9 in Check garage fit for Kia Optima · garage fit for Nissan Altima
  • Narrower for tight parkingNissan Altima — Nissan Altima is narrower by 1.4 in
  • Smaller exterior footprintNissan Altima — Based on length × width (Nissan Altima)

Dimension comparison

SpecKia OptimaNissan AltimaDifference
Length190.7 in185.8 in4.9 in
Width72.1 in70.7 in1.4 in
Height57.3 in57.0 in0.3 in
Wheelbase110.0 in107.3 in2.7 in
Curb weight3,296 lb3,219 lb77 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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