Buick Regal (2010 – 2013) vs Kia Optima / Magentis (2010 – 2016): specs compared
The Kia Optima / Magentis is the more powerful of the two, with up to 274 hp against 259 hp. It is quicker, reaching 100 km/h in 6.1 s against 7.4 s. The Buick Regal has the higher top speed: 235 km/h against 219 km/h. The Kia Optima / Magentis uses less fuel, from 4.9 L/100 km against 7.6 L/100 km.
| Specification |
Buick
Regal
2010 – 2013
|
Kia
Optima / Magentis
2010 – 2016
|
|---|---|---|
| Overview | ||
| Origin | United States | South Korea |
| Documented years | 2010 – 2013 | 2010 – 2016 |
| Body style | — | — |
| Variants | 6 | 9 |
| Fuel | Petrol, Hybrid | Diesel, Petrol, Hybrid |
| Drive | FWD | FWD |
| Gearbox | Automatic · Manual | Automatic · Manual |
| Performance | ||
| Power | 112 – 262 hp | 136 – 277 hp |
| Torque | 147 – 400 Nm | 180 – 365 Nm |
| 0–100 km/h | 7.4 – 13.5 s | 6.1 – 11.6 s |
| Top speed | 192 – 235 km/h | 190 – 219 km/h |
| Economy | ||
| Fuel economy | 7.6 – 10.2 L/100 km | 4.9 – 9.8 L/100 km |
| Dimensions | ||
| Length | 4,831 mm | 4,844 mm |
| Width | 1,857 mm | 1,829 mm |
| Height | 1,483 mm | 1,455 mm |
| Wheelbase | 2,738 mm | 2,794 mm |
| Curb weight | 1,503 – 1,665 kg | 1,498 – 1,662 kg |
Ranges cover all variants of each car. The highlight marks the best version per row.

