2007 Kia Opirus vs. 2011 Mercedes-Benz B
To start off, 2011 Mercedes-Benz B is newer by 4 year(s). Which means there will be less support and parts availability for 2007 Kia Opirus. In addition, the cost of maintenance, including insurance, on 2007 Kia Opirus would be higher. At 3,495 cc (6 cylinders), 2007 Kia Opirus is equipped with a bigger engine. In terms of performance, 2007 Kia Opirus (200 HP @ 5500 RPM) has 106 more horse power than 2011 Mercedes-Benz B. (94 HP @ 5200 RPM). In normal driving conditions, 2007 Kia Opirus should accelerate faster than 2011 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2007 Kia Opirus weights approximately 597 kg more than 2011 Mercedes-Benz B. 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, 2007 Kia Opirus (298 Nm @ 3500 RPM) has 158 more torque (in Nm) than 2011 Mercedes-Benz B. (140 Nm @ 3500 RPM). This means 2007 Kia Opirus will have an easier job in driving up hills or pulling heavy equipment than 2011 Mercedes-Benz B. 2007 Kia Opirus has automatic transmission and 2011 Mercedes-Benz B has manual transmission. 2011 Mercedes-Benz B will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Kia Opirus will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Kia Opirus | 2011 Mercedes-Benz B | |
| Make | Kia | Mercedes-Benz |
| Model | Opirus | B |
| Year Released | 2007 | 2011 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3495 cc | 1498 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 200 HP | 94 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 298 Nm | 140 Nm |
| Torque RPM | 3500 RPM | 3500 RPM |
| Engine Bore Size | 93 mm | 83 mm |
| Engine Stroke Size | 85.8 mm | 69.2 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 220 km/hour | 174 km/hour |
| Acceleration 0-100mph | 9.2 seconds | 13.2 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1897 kg | 1300 kg |
| Vehicle Length | 4990 mm | 4280 mm |
| Vehicle Width | 1860 mm | 1780 mm |
| Vehicle Height | 1490 mm | 1610 mm |
| Wheelbase Size | 2810 mm | 2780 mm |
| Fuel Consumption Overall | 11.4 L/100km | 6.8 L/100km |
| Fuel Tank Capacity | 70 L | 54 L |
