2005 Audi A4 vs. 2007 Mercedes-Benz B
To start off, 2007 Mercedes-Benz B is newer by 2 year(s). Which means there will be less support and parts availability for 2005 Audi A4. In addition, the cost of maintenance, including insurance, on 2005 Audi A4 would be higher. At 1,991 cc (4 cylinders), 2007 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (187 HP @ 5700 RPM) has 49 more horse power than 2007 Mercedes-Benz B. (138 HP @ 4200 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2007 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 21 kg more than 2007 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 Mercedes-Benz B (300 Nm @ 1600 RPM) has 60 more torque (in Nm) than 2005 Audi A4. (240 Nm @ 1980 RPM). This means 2007 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4. 2007 Mercedes-Benz B has automatic transmission and 2005 Audi A4 has manual transmission. 2005 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz B will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A4 | 2007 Mercedes-Benz B | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | B |
| Year Released | 2005 | 2007 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 187 HP | 138 HP |
| Engine RPM | 5700 RPM | 4200 RPM |
| Torque | 240 Nm | 300 Nm |
| Torque RPM | 1980 RPM | 1600 RPM |
| Engine Compression Ratio | 9.3:1 | 18.0:1 |
| Top Speed | 231 km/hour | 200 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 7.6 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1395 kg | 1374 kg |
| Vehicle Length | 4550 mm | 4280 mm |
| Vehicle Width | 1780 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1610 mm |
| Wheelbase Size | 2760 mm | 2780 mm |
| Fuel Consumption Overall | 8.6 L/100km | 5.8 L/100km |
| Fuel Tank Capacity | 70 L | 54 L |
