2005 Kia Rio vs. 2004 Mercedes-Benz S
To start off, 2005 Kia Rio is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz S would be higher. At 4,264 cc (8 cylinders), 2004 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz S (275 HP @ 5750 RPM) has 137 more horse power than 2005 Kia Rio. (138 HP @ 4000 RPM) In normal driving conditions, 2004 Mercedes-Benz S should accelerate faster than 2005 Kia Rio. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercedes-Benz S weights approximately 1106 kg more than 2005 Kia Rio. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Mercedes-Benz S is four wheel drive (4WD), it will have significant more traction and grip than 2005 Kia Rio. In wet, icy, snow, or gravel driving conditions, 2004 Mercedes-Benz S 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, 2004 Mercedes-Benz S (400 Nm @ 3000 RPM) has 285 more torque (in Nm) than 2005 Kia Rio. (115 Nm @ 3000 RPM). This means 2004 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2005 Kia Rio. 2004 Mercedes-Benz S has automatic transmission and 2005 Kia Rio has manual transmission. 2005 Kia Rio will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Kia Rio | 2004 Mercedes-Benz S | |
| Make | Kia | Mercedes-Benz |
| Model | Rio | S |
| Year Released | 2005 | 2004 |
| Engine Position | Front | Front |
| Engine Size | 1341 cc | 4264 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 138 HP | 275 HP |
| Engine RPM | 4000 RPM | 5750 RPM |
| Torque | 115 Nm | 400 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Engine Bore Size | 75.5 mm | 89.9 mm |
| Engine Stroke Size | 75 mm | 84 mm |
| Engine Compression Ratio | 9.5:1 | 10.0:1 |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 944 kg | 2050 kg |
| Wheelbase Size | 2420 mm | 2720 mm |
| Fuel Tank Capacity | 45 L | 88 L |
