2005 Kia Optima vs. 2010 Cadillac BLS
To start off, 2010 Cadillac BLS is newer by 5 year(s). Which means there will be less support and parts availability for 2005 Kia Optima. In addition, the cost of maintenance, including insurance, on 2005 Kia Optima would be higher. At 2,360 cc (4 cylinders), 2005 Kia Optima is equipped with a bigger engine. In terms of performance, 2010 Cadillac BLS (176 HP @ 5500 RPM) has 38 more horse power than 2005 Kia Optima. (138 HP @ 4000 RPM) In normal driving conditions, 2010 Cadillac BLS should accelerate faster than 2005 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2010 Cadillac BLS weights approximately 69 kg more than 2005 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2010 Cadillac BLS (265 Nm) has 66 more torque (in Nm) than 2005 Kia Optima. (199 Nm). This means 2010 Cadillac BLS will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Optima.
Compare all specifications:
| 2005 Kia Optima | 2010 Cadillac BLS | |
| Make | Kia | Cadillac |
| Model | Optima | BLS |
| Year Released | 2005 | 2010 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2360 cc | 1998 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 176 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 199 Nm | 265 Nm |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1497 kg | 1566 kg |
| Vehicle Length | 4730 mm | 4690 mm |
| Vehicle Width | 1820 mm | 1460 mm |
| Vehicle Height | 1420 mm | 1770 mm |
| Wheelbase Size | 2620 mm | 2680 mm |
| Fuel Consumption Overall | 9.4 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 65 L | 58 L |
