2007 Cadillac STS vs. 2011 Kia Rio
To start off, 2011 Kia Rio is newer by 4 year(s). Which means there will be less support and parts availability for 2007 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac STS would be higher. At 3,563 cc (6 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (253 HP @ 6500 RPM) has 143 more horse power than 2011 Kia Rio. (110 HP @ 6000 RPM). In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2011 Kia Rio. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 692 kg more than 2011 Kia Rio. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac STS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2011 Kia Rio, being front wheel drive (FWD), will offer much better control with better grip. 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, 2007 Cadillac STS (342 Nm @ 3200 RPM) has 197 more torque (in Nm) than 2011 Kia Rio. (145 Nm @ 4500 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2011 Kia Rio.
Compare all specifications:
| 2007 Cadillac STS | 2011 Kia Rio | |
| Make | Cadillac | Kia |
| Model | STS | Rio |
| Year Released | 2007 | 2011 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 3563 cc | 1600 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 253 HP | 110 HP |
| Engine RPM | 6500 RPM | 6000 RPM |
| Torque | 342 Nm | 145 Nm |
| Torque RPM | 3200 RPM | 4500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1782 kg | 1090 kg |
| Vehicle Length | 4990 mm | 4239 mm |
| Vehicle Width | 1850 mm | 1694 mm |
| Vehicle Height | 1470 mm | 1471 mm |
| Wheelbase Size | 2960 mm | 2499 mm |
| Fuel Consumption Highway | 9.8 L/100km | 6.5 L/100km |
| Fuel Consumption City | 13.8 L/100km | 8.7 L/100km |
| Fuel Tank Capacity | 66 L | 45 L |
