2007 Audi A4 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 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 2,034 cc (4 cylinders), 2011 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2011 Mercedes-Benz B (114 HP @ 5750 RPM) has 13 more horse power than 2007 Audi A4. (101 HP @ 5600 RPM) In normal driving conditions, 2011 Mercedes-Benz B should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2011 Mercedes-Benz B weights approximately 170 kg more than 2007 Audi A4. 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, 2011 Mercedes-Benz B (165 Nm @ 3500 RPM) has 17 more torque (in Nm) than 2007 Audi A4. (148 Nm @ 3800 RPM). This means 2011 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2011 Mercedes-Benz B | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | B |
| Year Released | 2007 | 2011 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 2034 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 101 HP | 114 HP |
| Engine RPM | 5600 RPM | 5750 RPM |
| Torque | 148 Nm | 165 Nm |
| Torque RPM | 3800 RPM | 3500 RPM |
| Engine Bore Size | 81 mm | 83.1 mm |
| Engine Stroke Size | 77.4 mm | 94 mm |
| Engine Compression Ratio | 10.5:1 | 11.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Acceleration 0-100mph | 12.6 seconds | 12.4 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1300 kg | 1470 kg |
| Vehicle Length | 4550 mm | 4280 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1630 mm |
| Wheelbase Size | 2650 mm | 2780 mm |
| Fuel Consumption Overall | 7.7 L/100km | 7.3 L/100km |
| Fuel Tank Capacity | 70 L | 54 L |
