2007 Kia Rio vs. 2012 Mercedes-Benz CLS
To start off, 2012 Mercedes-Benz CLS is newer by 5 year(s). Which means there will be less support and parts availability for 2007 Kia Rio. In addition, the cost of maintenance, including insurance, on 2007 Kia Rio would be higher. At 3,498 cc (6 cylinders), 2012 Mercedes-Benz CLS is equipped with a bigger engine. In terms of performance, 2012 Mercedes-Benz CLS (305 HP @ 3500 RPM) has 211 more horse power than 2007 Kia Rio. (94 HP @ 6000 RPM) In normal driving conditions, 2012 Mercedes-Benz CLS should accelerate faster than 2007 Kia Rio. With that said, vehicle weight also plays an important factor in acceleration. 2012 Mercedes-Benz CLS weights approximately 671 kg more than 2007 Kia Rio. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2012 Mercedes-Benz CLS 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 2012 Mercedes-Benz CLS. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2012 Mercedes-Benz CLS (370 Nm @ 3500 RPM) has 245 more torque (in Nm) than 2007 Kia Rio. (125 Nm @ 6500 RPM). This means 2012 Mercedes-Benz CLS will have an easier job in driving up hills or pulling heavy equipment than 2007 Kia Rio.
Compare all specifications:
| 2007 Kia Rio | 2012 Mercedes-Benz CLS | |
| Make | Kia | Mercedes-Benz |
| Model | Rio | CLS |
| Year Released | 2007 | 2012 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1399 cc | 3498 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 94 HP | 305 HP |
| Engine RPM | 6000 RPM | 3500 RPM |
| Torque | 125 Nm | 370 Nm |
| Torque RPM | 6500 RPM | 3500 RPM |
| Engine Compression Ratio | 10.0:1 | 12.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 168 km/hour | 250 km/hour |
| Acceleration 0-100mph | 14.5 seconds | 6.1 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1064 kg | 1735 kg |
| Vehicle Width | 1700 mm | 1882 mm |
| Wheelbase Size | 2510 mm | 2875 mm |
| Fuel Tank Capacity | 45 L | 80 L |
