Spec Sizes

Nissan Altima vs Kia Optima Dimensions & Size Comparison

Comparing 2017 catalog dimensions. Nissan Altima · Kia Optima

Same scale for both vehicles. Generic silhouette — proportional to measured length, height, width, wheelbase, and clearance.

Side view
  • Length191.9 in
  • Height57.8 in – 58.0 in
  • Wheelbase109.3 in
  • Ground clearance5.4 in
  • Curb weight3,197 lb – 3,462 lb
Front / width
  • Width72.0 in
  • Kia Optima width73.2 in

Which is bigger?

  • Length: Kia Optima is 0.8 in shorter (191.9 in vs 191.1 in)
  • Width: Nissan Altima is 1.2 in narrower (72.0 in vs 73.2 in)
  • Height: Nissan Altima is 0.2 in taller (57.9 in vs 57.7 in)
  • Wheelbase: Kia Optima has a 1.1 in longer wheelbase (109.3 in vs 110.4 in)
  • Ground clearance: Nissan Altima has 0.1 in more ground clearance (5.4 in vs 5.3 in)
  • Curb weight: Kia Optima is 77 lb heavier (3,330 lb vs 3,407 lb)

Biggest size differences

  1. Curb weight: Kia Optima is 77 lb heavier (3,330 lb vs 3,407 lb)
  2. Ground clearance: Nissan Altima has 0.1 in more ground clearance (5.4 in vs 5.3 in)
  3. Width: Nissan Altima is 1.2 in narrower (72.0 in vs 73.2 in)
  4. Wheelbase: Kia Optima has a 1.1 in longer wheelbase (109.3 in vs 110.4 in)
  5. Length: Kia Optima is 0.8 in shorter (191.9 in vs 191.1 in)

Practical verdicts

  • Easier to fit in a short garageKia Optima — Kia Optima is shorter by 0.8 in Check garage fit for Nissan Altima · garage fit for Kia Optima
  • Narrower for tight parkingNissan Altima — Nissan Altima is narrower by 1.2 in
  • More ground clearanceNissan Altima — Nissan Altima has 0.1 in more clearance
  • Smaller exterior footprintNissan Altima — Based on length × width (Nissan Altima)

Dimension comparison

SpecNissan AltimaKia OptimaDifference
Length191.9 in191.1 in0.8 in
Width72.0 in73.2 in1.2 in
Height57.9 in57.7 in0.2 in
Wheelbase109.3 in110.4 in1.1 in
Ground clearance5.4 in5.3 in0.1 in
Curb weight3,330 lb3,407 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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