2009 Daihatsu Sirion vs. 2008 Mercedes-Benz B
To start off, 2009 Daihatsu Sirion is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Mercedes-Benz B. In addition, the cost of maintenance, including insurance, on 2008 Mercedes-Benz B would be higher. At 1,991 cc (4 cylinders), 2008 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz B (108 HP @ 4200 RPM) has 22 more horse power than 2009 Daihatsu Sirion. (86 HP @ 6000 RPM) In normal driving conditions, 2008 Mercedes-Benz B should accelerate faster than 2009 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz B weights approximately 500 kg more than 2009 Daihatsu Sirion. 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, 2008 Mercedes-Benz B (250 Nm @ 1600 RPM) has 130 more torque (in Nm) than 2009 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2008 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2009 Daihatsu Sirion. 2009 Daihatsu Sirion has automatic transmission and 2008 Mercedes-Benz B has manual transmission. 2008 Mercedes-Benz B will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Daihatsu Sirion will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Daihatsu Sirion | 2008 Mercedes-Benz B | |
| Make | Daihatsu | Mercedes-Benz |
| Model | Sirion | B |
| Year Released | 2009 | 2008 |
| Body Type | Hatchback | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1297 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 86 HP | 108 HP |
| Engine RPM | 6000 RPM | 4200 RPM |
| Torque | 120 Nm | 250 Nm |
| Torque RPM | 3200 RPM | 1600 RPM |
| Engine Bore Size | 72 mm | 83 mm |
| Engine Stroke Size | 79.7 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 175 km/hour | 183 km/hour |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 940 kg | 1440 kg |
| Vehicle Length | 3610 mm | 4280 mm |
| Vehicle Width | 1560 mm | 1780 mm |
| Vehicle Height | 1670 mm | 1610 mm |
| Wheelbase Size | 2440 mm | 2780 mm |
| Fuel Consumption Overall | 4.8 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 40 L | 54 L |
