Spec Sizes

Nissan Altima vs Kia Optima Dimensions & Size Comparison

Comparing 2004 catalog dimensions. Nissan Altima · Kia Optima

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

Side view
  • Length191.5 in
  • Height57.9 in
  • Wheelbase110.2 in
  • Curb weight3,001 lb – 3,197 lb
Front / width
  • Width70.4 in
  • Kia Optima width71.5 in

Which is bigger?

  • Length: Kia Optima is 5.7 in shorter (191.5 in vs 185.8 in)
  • Width: Nissan Altima is 1.1 in narrower (70.4 in vs 71.5 in)
  • Height: Nissan Altima is 2.4 in taller (57.9 in vs 55.5 in)
  • Wheelbase: Nissan Altima has a 3.9 in longer wheelbase (110.2 in vs 106.3 in)
  • Curb weight: Kia Optima is 191 lb heavier (3,099 lb vs 3,290 lb)

Biggest size differences

  1. Curb weight: Kia Optima is 191 lb heavier (3,099 lb vs 3,290 lb)
  2. Height: Nissan Altima is 2.4 in taller (57.9 in vs 55.5 in)
  3. Wheelbase: Nissan Altima has a 3.9 in longer wheelbase (110.2 in vs 106.3 in)
  4. Length: Kia Optima is 5.7 in shorter (191.5 in vs 185.8 in)
  5. Width: Nissan Altima is 1.1 in narrower (70.4 in vs 71.5 in)

Practical verdicts

  • Easier to fit in a short garageKia Optima — Kia Optima is shorter by 5.7 in Check garage fit for Nissan Altima · garage fit for Kia Optima
  • Narrower for tight parkingNissan Altima — Nissan Altima is narrower by 1.1 in
  • Smaller exterior footprintKia Optima — Based on length × width (Kia Optima)

Dimension comparison

SpecNissan AltimaKia OptimaDifference
Length191.5 in185.8 in5.7 in
Width70.4 in71.5 in1.1 in
Height57.9 in55.5 in2.4 in
Wheelbase110.2 in106.3 in3.9 in
Curb weight3,099 lb3,290 lb191 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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