Kia Optima vs BMW M3 Dimensions & Size Comparison
Comparing 2020 vs 2023 catalog dimensions. Kia Optima · BMW M3
- Length191.1 in
- Height57.7 in
- Wheelbase110.4 in
- Ground clearance5.3 in
- Curb weight3,230 lb – 3,558 lb
- Width73.2 in
- BMW M3 width74.3 in
Which is bigger?
- Length: BMW M3 is 2.0 in shorter (191.1 in vs 189.1 in)
- Width: Kia Optima is 1.1 in narrower (73.2 in vs 74.3 in)
- Height: Kia Optima is 1.3 in taller (57.7 in vs 56.5 in)
- Wheelbase: BMW M3 has a 2.1 in longer wheelbase (110.4 in vs 112.5 in)
- Curb weight: BMW M3 is 521 lb heavier (3,394 lb vs 3,915 lb)
Biggest size differences
- Curb weight: BMW M3 is 521 lb heavier (3,394 lb vs 3,915 lb)
- Height: Kia Optima is 1.3 in taller (57.7 in vs 56.5 in)
- Wheelbase: BMW M3 has a 2.1 in longer wheelbase (110.4 in vs 112.5 in)
- Width: Kia Optima is 1.1 in narrower (73.2 in vs 74.3 in)
- Length: BMW M3 is 2.0 in shorter (191.1 in vs 189.1 in)
Practical verdicts
- Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 2.0 in Check garage fit for Kia Optima · garage fit for BMW M3
- Narrower for tight parkingKia Optima — Kia Optima is narrower by 1.1 in
Dimension comparison
| Spec | Kia Optima | BMW M3 | Difference |
|---|---|---|---|
| Length | 191.1 in | 189.1 in | 2.0 in |
| Width | 73.2 in | 74.3 in | 1.1 in |
| Height | 57.7 in | 56.5 in | 1.3 in |
| Wheelbase | 110.4 in | 112.5 in | 2.1 in |
| Ground clearance | 5.3 in | — | — |
| Curb weight | 3,394 lb | 3,915 lb | 521 lb |
Values use trim midpoints when a model year lists a range.
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.