2006 Audi S4 vs. 2009 Mercedes-Benz B
To start off, 2009 Mercedes-Benz B is newer by 3 year(s). Which means there will be less support and parts availability for 2006 Audi S4. In addition, the cost of maintenance, including insurance, on 2006 Audi S4 would be higher. At 4,163 cc (8 cylinders), 2006 Audi S4 is equipped with a bigger engine. In terms of performance, 2006 Audi S4 (339 HP @ 7000 RPM) has 231 more horse power than 2009 Mercedes-Benz B. (108 HP @ 4200 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2009 Mercedes-Benz B. With that said, vehicle weight also plays an important factor in acceleration. 2006 Audi S4 weights approximately 440 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.
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, 2006 Audi S4 (410 Nm @ 3500 RPM) has 160 more torque (in Nm) than 2009 Mercedes-Benz B. (250 Nm @ 1600 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz B.
Compare all specifications:
| 2006 Audi S4 | 2009 Mercedes-Benz B | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | B |
| Year Released | 2006 | 2009 |
| Body Type | Station Wagon | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1991 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 339 HP | 108 HP |
| Engine RPM | 7000 RPM | 4200 RPM |
| Torque | 410 Nm | 250 Nm |
| Torque RPM | 3500 RPM | 1600 RPM |
| Engine Bore Size | 84.6 mm | 83 mm |
| Engine Stroke Size | 92.8 mm | 92 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Fuel Type | Gasoline | Diesel |
| Acceleration 0-100mph | 5.8 seconds | 11.3 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 | 1880 kg | 1440 kg |
| Vehicle Length | 4590 mm | 4280 mm |
| Vehicle Width | 1730 mm | 1780 mm |
| Vehicle Height | 1430 mm | 1610 mm |
| Wheelbase Size | 2650 mm | 2780 mm |
| Fuel Consumption Overall | 13.4 L/100km | 5.6 L/100km |
| Fuel Tank Capacity | 63 L | 54 L |
