2005 Audi A4 vs. 2008 Mercedes-Benz S
To start off, 2008 Mercedes-Benz S is newer by 3 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 6,207 cc (8 cylinders), 2008 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz S (518 HP @ 6800 RPM) has 344 more horse power than 2005 Audi A4. (174 HP @ 4000 RPM) In normal driving conditions, 2008 Mercedes-Benz S should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz S weights approximately 360 kg more than 2005 Audi A4. 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 2008 Mercedes-Benz S. 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, 2008 Mercedes-Benz S (631 Nm) has 401 more torque (in Nm) than 2005 Audi A4. (230 Nm). This means 2008 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 2008 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | S |
| Year Released | 2005 | 2008 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1785 cc | 6207 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 174 HP | 518 HP |
| Engine RPM | 4000 RPM | 6800 RPM |
| Torque | 230 Nm | 631 Nm |
| Engine Bore Size | 81 mm | 102.2 mm |
| Engine Stroke Size | 86 mm | 94.6 mm |
| Engine Compression Ratio | 9.3:1 | 11.3:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1595 kg | 1955 kg |
| Vehicle Length | 4550 mm | 5080 mm |
| Vehicle Width | 1770 mm | 1480 mm |
| Vehicle Height | 1430 mm | 1880 mm |
| Wheelbase Size | 2660 mm | 3170 mm |
| Fuel Consumption | 7.8 L/100km | 13.8 L/100km |
| Fuel Consumption City | 11.2 L/100km | 21.4 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 14.7 L/100km |
| Fuel Tank Capacity | 63 L | 90 L |
