2007 Audi A4 vs. 2008 Mercedes-Benz B
To start off, 2008 Mercedes-Benz B is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 2,033 cc (4 cylinders), 2008 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2007 Audi A4 (138 HP @ 4000 RPM) has 4 more horse power than 2008 Mercedes-Benz B. (134 HP @ 5750 RPM). In normal driving conditions, 2007 Audi A4 should accelerate faster than 2008 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz B weights approximately 70 kg more than 2007 Audi A4.
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 Audi A4 (320 Nm @ 1750 RPM) has 135 more torque (in Nm) than 2008 Mercedes-Benz B. (185 Nm @ 3500 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz B.
Compare all specifications:
| 2007 Audi A4 | 2008 Mercedes-Benz B | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | B |
| Year Released | 2007 | 2008 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 2033 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 138 HP | 134 HP |
| Engine RPM | 4000 RPM | 5750 RPM |
| Torque | 320 Nm | 185 Nm |
| Torque RPM | 1750 RPM | 3500 RPM |
| Engine Bore Size | 81.1 mm | 83 mm |
| Engine Stroke Size | 95.5 mm | 94 mm |
| Engine Compression Ratio | 18.0:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 9.9 seconds | 10.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1275 kg | 1345 kg |
| Vehicle Length | 4550 mm | 4280 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1610 mm |
| Wheelbase Size | 2660 mm | 2780 mm |
| Fuel Consumption Overall | 5.8 L/100km | 7.2 L/100km |
| Fuel Tank Capacity | 70 L | 54 L |
