2006 Audi S4 vs. 2009 Mercedes-Benz C
To start off, 2009 Mercedes-Benz C 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 (340 HP @ 7000 RPM) has 192 more horse power than 2009 Mercedes-Benz C. (148 HP @ 4200 RPM). In normal driving conditions, 2006 Audi S4 should accelerate faster than 2009 Mercedes-Benz C. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz C weights approximately 10 kg more than 2006 Audi S4.
Because 2009 Mercedes-Benz C is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2009 Mercedes-Benz C. However, in wet, icy, snow, or gravel driving conditions, 2006 Audi S4, being front wheel drive (FWD), will offer much better control with better grip. 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 70 more torque (in Nm) than 2009 Mercedes-Benz C. (340 Nm @ 2000 RPM). This means 2006 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercedes-Benz C.
Compare all specifications:
| 2006 Audi S4 | 2009 Mercedes-Benz C | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | C |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2148 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 340 HP | 148 HP |
| Engine RPM | 7000 RPM | 4200 RPM |
| Torque | 410 Nm | 340 Nm |
| Torque RPM | 3500 RPM | 2000 RPM |
| Engine Bore Size | 84.6 mm | 88 mm |
| Engine Stroke Size | 93 mm | 88.3 mm |
| Engine Compression Ratio | 11.0:1 | 18.0:1 |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1530 kg | 1540 kg |
| Vehicle Length | 4590 mm | 4350 mm |
| Vehicle Width | 1790 mm | 1730 mm |
| Vehicle Height | 1420 mm | 1410 mm |
| Wheelbase Size | 2660 mm | 2720 mm |
| Fuel Consumption Overall | 13.8 L/100km | 6.6 L/100km |
| Fuel Tank Capacity | 63 L | 62 L |
