2008 Cadillac STS vs. 2012 Kia Optima
To start off, 2012 Kia Optima is newer by 4 year(s). Which means there will be less support and parts availability for 2008 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2008 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac STS is equipped with a bigger engine. In terms of performance, 2008 Cadillac STS (320 HP @ 6400 RPM) has 46 more horse power than 2012 Kia Optima. (274 HP @ 6000 RPM). In normal driving conditions, 2008 Cadillac STS should accelerate faster than 2012 Kia Optima. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac STS weights approximately 100 kg more than 2012 Kia Optima. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2012 Kia Optima. In wet, icy, snow, or gravel driving conditions, 2008 Cadillac STS will offer significantly more control. 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, 2008 Cadillac STS (427 Nm @ 4400 RPM) has 63 more torque (in Nm) than 2012 Kia Optima. (364 Nm @ 1750 RPM). This means 2008 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2012 Kia Optima.
Compare all specifications:
| 2008 Cadillac STS | 2012 Kia Optima | |
| Make | Cadillac | Kia |
| Model | STS | Optima |
| Year Released | 2008 | 2012 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 2000 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 320 HP | 274 HP |
| Engine RPM | 6400 RPM | 6000 RPM |
| Torque | 427 Nm | 364 Nm |
| Torque RPM | 4400 RPM | 1750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1635 kg | 1535 kg |
| Vehicle Length | 5000 mm | 4844 mm |
| Vehicle Width | 1850 mm | 1831 mm |
| Vehicle Height | 1470 mm | 1455 mm |
| Wheelbase Size | 2960 mm | 2797 mm |
| Fuel Consumption Highway | 9.8 L/100km | 6.9 L/100km |
| Fuel Consumption City | 15.7 L/100km | 10.7 L/100km |
| Fuel Tank Capacity | 64 L | 70 L |
