2004 Audi A4 vs. 2009 Mercedes-Benz S
To start off, 2009 Mercedes-Benz S is newer by 5 year(s). Which means there will be less support and parts availability for 2004 Audi A4. In addition, the cost of maintenance, including insurance, on 2004 Audi A4 would be higher. At 5,513 cc (12 cylinders), 2009 Mercedes-Benz S is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz S (510 HP @ 5000 RPM) has 290 more horse power than 2004 Audi A4. (220 HP @ 4000 RPM) In normal driving conditions, 2009 Mercedes-Benz S should accelerate faster than 2004 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz S weights approximately 510 kg more than 2004 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or 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, 2009 Mercedes-Benz S (830 Nm) has 530 more torque (in Nm) than 2004 Audi A4. (300 Nm). This means 2009 Mercedes-Benz S will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A4. 2009 Mercedes-Benz S has automatic transmission and 2004 Audi A4 has manual transmission. 2004 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz S will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Audi A4 | 2009 Mercedes-Benz S | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | S |
| Year Released | 2004 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2974 cc | 5513 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 5 valves | 3 valves |
| Horse Power | 220 HP | 510 HP |
| Engine RPM | 4000 RPM | 5000 RPM |
| Torque | 300 Nm | 830 Nm |
| Engine Bore Size | 83 mm | 82 mm |
| Engine Stroke Size | 93 mm | 87 mm |
| Engine Compression Ratio | 10.1:1 | 9.0:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1670 kg | 2180 kg |
| Vehicle Length | 4550 mm | 5210 mm |
| Vehicle Width | 1770 mm | 1480 mm |
| Vehicle Height | 1430 mm | 1880 mm |
| Wheelbase Size | 2660 mm | 3170 mm |
| Fuel Consumption Overall | 11.2 L/100km | 14.3 L/100km |
| Fuel Tank Capacity | 66 L | 90 L |
