2005 Audi A4 vs. 2004 Mercedes-Benz S
To start off, 2005 Audi A4 is newer by 1 year(s). Which means there will be less support and parts availability for 2004 Mercedes-Benz S. In addition, the cost of maintenance, including insurance, on 2004 Mercedes-Benz S would be higher. At 5,441 cc (8 cylinders), 2004 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2004 Mercedes-Benz S (494 HP @ 4200 RPM) has 365 more horse power than 2005 Audi A4. (129 HP @ 4000 RPM) In normal driving conditions, 2004 Mercedes-Benz S should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2004 Mercedes-Benz S weights approximately 410 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 2004 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, 2004 Mercedes-Benz S (700 Nm @ 2750 RPM) has 390 more torque (in Nm) than 2005 Audi A4. (310 Nm @ 1900 RPM). This means 2004 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 | 2004 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | S |
| Year Released | 2005 | 2004 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 5441 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 3 valves |
| Horse Power | 129 HP | 494 HP |
| Engine RPM | 4000 RPM | 4200 RPM |
| Torque | 310 Nm | 700 Nm |
| Torque RPM | 1900 RPM | 2750 RPM |
| Engine Bore Size | 79.5 mm | 97 mm |
| Engine Stroke Size | 95.5 mm | 92 mm |
| Engine Compression Ratio | 19.0:1 | 9.0:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1540 kg | 1950 kg |
| Vehicle Length | 4550 mm | 5170 mm |
| Vehicle Width | 1780 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1460 mm |
| Wheelbase Size | 2660 mm | 3090 mm |
| Fuel Tank Capacity | 66 L | 88 L |
