2007 Mercedes-Benz B vs. 2009 Mercedes-Benz R
To start off, 2009 Mercedes-Benz R is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz B. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz B would be higher. At 2,985 cc (6 cylinders), 2009 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz R (210 HP @ 3800 RPM) has 116 more horse power than 2007 Mercedes-Benz B. (94 HP @ 5200 RPM) In normal driving conditions, 2009 Mercedes-Benz R should accelerate faster than 2007 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz B weights approximately 60 kg more than 2009 Mercedes-Benz R.
Because 2009 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2007 Mercedes-Benz B. In wet, icy, snow, or gravel driving conditions, 2009 Mercedes-Benz R 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, 2009 Mercedes-Benz R (540 Nm @ 1600 RPM) has 400 more torque (in Nm) than 2007 Mercedes-Benz B. (140 Nm @ 3500 RPM). This means 2009 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2007 Mercedes-Benz B. 2009 Mercedes-Benz R has automatic transmission and 2007 Mercedes-Benz B has manual transmission. 2007 Mercedes-Benz B will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Mercedes-Benz B | 2009 Mercedes-Benz R | |
| Make | Mercedes-Benz | Mercedes-Benz |
| Model | B | R |
| Year Released | 2007 | 2009 |
| Body Type | Hatchback | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1498 cc | 2985 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 94 HP | 210 HP |
| Engine RPM | 5200 RPM | 3800 RPM |
| Torque | 140 Nm | 540 Nm |
| Torque RPM | 3500 RPM | 1600 RPM |
| Engine Compression Ratio | 11.0:1 | 10.7:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1300 kg | 1240 kg |
| Vehicle Length | 4280 mm | 5160 mm |
| Vehicle Width | 1780 mm | 1960 mm |
| Vehicle Height | 1610 mm | 1670 mm |
| Wheelbase Size | 2780 mm | 3220 mm |
| Fuel Consumption Overall | 6.6 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 54 L | 80 L |
