2005 Audi A4 vs. 2009 Mercedes-Benz B
To start off, 2009 Mercedes-Benz B is newer by 4 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), 2009 Mercedes-Benz B is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (174 HP @ 4000 RPM) has 66 more horse power than 2009 Mercedes-Benz B. (108 HP @ 4200 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 2009 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 155 kg more than 2009 Mercedes-Benz B. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz B. In wet, icy, snow, or gravel driving conditions, 2005 Audi A4 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 B (250 Nm) has 20 more torque (in Nm) than 2005 Audi A4. (230 Nm). This means 2009 Mercedes-Benz B will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2009 Mercedes-Benz B | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | B |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 1785 cc | 1991 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 174 HP | 108 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 230 Nm | 250 Nm |
| Engine Bore Size | 81 mm | 83 mm |
| Engine Stroke Size | 86 mm | 92 mm |
| Engine Compression Ratio | 9.3:1 | 18.0:1 |
| Drive Type | 4WD | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1595 kg | 1440 kg |
| Vehicle Length | 4550 mm | 4280 mm |
| Vehicle Width | 1770 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1610 mm |
| Wheelbase Size | 2660 mm | 2780 mm |
| Fuel Consumption Overall | 9.4 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 63 L | 54 L |
