2008 Audi S4 vs. 2005 Mercedes-Benz S
To start off, 2008 Audi S4 is newer by 3 year(s). Which means there will be less support and parts availability for 2005 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2005 Mercedes-Benz S would be higher. At 4,266 cc (8 cylinders), 2005 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2008 Audi S4 (340 HP @ 7000 RPM) has 65 more horse power than 2005 Mercedes-Benz S. (275 HP @ 5750 RPM). In normal driving conditions, 2008 Audi S4 should accelerate faster than 2005 Mercedes-Benz S. With that said, vehicle weight also plays an important factor in acceleration. 2005 Mercedes-Benz S weights approximately 120 kg more than 2008 Audi S4.
Because 2008 Audi S4 is four wheel drive (4WD), it will have significant more traction and grip than 2005 Mercedes-Benz S. In wet, icy, snow, or gravel driving conditions, 2008 Audi S4 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, 2008 Audi S4 (410 Nm @ 3500 RPM) has 9 more torque (in Nm) than 2005 Mercedes-Benz S. (401 Nm @ 3000 RPM). This means 2008 Audi S4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Mercedes-Benz S.
Compare all specifications:
| 2008 Audi S4 | 2005 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | S4 | S |
| Year Released | 2008 | 2005 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 4266 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 340 HP | 275 HP |
| Engine RPM | 7000 RPM | 5750 RPM |
| Torque | 410 Nm | 401 Nm |
| Torque RPM | 3500 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 5.9 seconds | 7.1 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1755 kg | 1875 kg |
| Vehicle Length | 4590 mm | 5050 mm |
| Vehicle Width | 1730 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2650 mm | 2840 mm |
| Fuel Consumption Overall | 12.3 L/100km | 10.9 L/100km |
| Fuel Tank Capacity | 63 L | 88 L |
