BMW M3 vs Kia Optima Dimensions & Size Comparison
Comparing 2023 vs 2020 catalog dimensions. BMW M3 · Kia Optima
- Length189.1 in
- Height56.4 in – 56.5 in
- Wheelbase112.5 in
- Curb weight3,840 lb – 3,990 lb
- Width74.3 in
- Kia Optima width73.2 in
Which is bigger?
- Length: BMW M3 is 2.0 in shorter (189.1 in vs 191.1 in)
- Width: Kia Optima is 1.1 in narrower (74.3 in vs 73.2 in)
- Height: Kia Optima is 1.3 in taller (56.5 in vs 57.7 in)
- Wheelbase: BMW M3 has a 2.1 in longer wheelbase (112.5 in vs 110.4 in)
- Curb weight: BMW M3 is 521 lb heavier (3,915 lb vs 3,394 lb)
Biggest size differences
- Curb weight: BMW M3 is 521 lb heavier (3,915 lb vs 3,394 lb)
- Height: Kia Optima is 1.3 in taller (56.5 in vs 57.7 in)
- Wheelbase: BMW M3 has a 2.1 in longer wheelbase (112.5 in vs 110.4 in)
- Width: Kia Optima is 1.1 in narrower (74.3 in vs 73.2 in)
- Length: BMW M3 is 2.0 in shorter (189.1 in vs 191.1 in)
Practical verdicts
- Easier to fit in a short garageBMW M3 — BMW M3 is shorter by 2.0 in Check garage fit for BMW M3 · garage fit for Kia Optima
- Narrower for tight parkingKia Optima — Kia Optima is narrower by 1.1 in
Dimension comparison
| Spec | BMW M3 | Kia Optima | Difference |
|---|---|---|---|
| Length | 189.1 in | 191.1 in | 2.0 in |
| Width | 74.3 in | 73.2 in | 1.1 in |
| Height | 56.5 in | 57.7 in | 1.3 in |
| Wheelbase | 112.5 in | 110.4 in | 2.1 in |
| Ground clearance | — | 5.3 in | — |
| Curb weight | 3,915 lb | 3,394 lb | 521 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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