Nissan Altima vs Kia Optima Dimensions & Size Comparison
Comparing 2013 catalog dimensions. Nissan Altima · Kia Optima
- Length180.9 in – 191.5 in
- Height55.9 in – 58.1 in
- Wheelbase105.3 in – 109.3 in
- Curb weight3,108 lb – 3,355 lb
- Width70.7 in – 72.0 in
- Kia Optima width72.1 in
Which is bigger?
- Length: Nissan Altima is 4.5 in shorter (186.2 in vs 190.7 in)
- Width: Nissan Altima is 0.8 in narrower (71.3 in vs 72.1 in)
- Height: Kia Optima is 0.3 in taller (57.0 in vs 57.3 in)
- Wheelbase: Kia Optima has a 2.7 in longer wheelbase (107.3 in vs 110.0 in)
- Curb weight: Kia Optima is 64 lb heavier (3,232 lb vs 3,296 lb)
Biggest size differences
- Wheelbase: Kia Optima has a 2.7 in longer wheelbase (107.3 in vs 110.0 in)
- Length: Nissan Altima is 4.5 in shorter (186.2 in vs 190.7 in)
- Curb weight: Kia Optima is 64 lb heavier (3,232 lb vs 3,296 lb)
- Width: Nissan Altima is 0.8 in narrower (71.3 in vs 72.1 in)
- Height: Kia Optima is 0.3 in taller (57.0 in vs 57.3 in)
Practical verdicts
- Easier to fit in a short garageNissan Altima — Nissan Altima is shorter by 4.5 in Check garage fit for Nissan Altima · garage fit for Kia Optima
- Narrower for tight parkingNissan Altima — Nissan Altima is narrower by 0.8 in
- Smaller exterior footprintNissan Altima — Based on length × width (Nissan Altima)
Dimension comparison
| Spec | Nissan Altima | Kia Optima | Difference |
|---|---|---|---|
| Length | 186.2 in | 190.7 in | 4.5 in |
| Width | 71.3 in | 72.1 in | 0.8 in |
| Height | 57.0 in | 57.3 in | 0.3 in |
| Wheelbase | 107.3 in | 110.0 in | 2.7 in |
| Curb weight | 3,232 lb | 3,296 lb | 64 lb |
Values use trim midpoints when a model year lists a range (e.g. length 180.9 in – 191.5 in).
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.