Spec Sizes

Kia Optima vs Nissan Altima Dimensions & Size Comparison

Comparing 2017 catalog dimensions. Kia Optima · Nissan Altima

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
  • Nissan Altima width72.0 in

Which is bigger?

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

Biggest size differences

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

Practical verdicts

  • Easier to fit in a short garageKia Optima — Kia Optima is shorter by 0.8 in Check garage fit for Kia Optima · garage fit for Nissan Altima
  • 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

SpecKia OptimaNissan AltimaDifference
Length191.1 in191.9 in0.8 in
Width73.2 in72.0 in1.2 in
Height57.7 in57.9 in0.2 in
Wheelbase110.4 in109.3 in1.1 in
Ground clearance5.3 in5.4 in0.1 in
Curb weight3,407 lb3,330 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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