2007 Audi A4 vs. 2008 Mercedes-Benz SL
To start off, 2008 Mercedes-Benz SL is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Audi A4. In addition, the cost of maintenance, including insurance, on 2007 Audi A4 would be higher. At 5,439 cc (8 cylinders), 2008 Mercedes-Benz SL is equipped with a bigger engine. In terms of performance, 2008 Mercedes-Benz SL (510 HP @ 6100 RPM) has 258 more horse power than 2007 Audi A4. (252 HP @ 6500 RPM) In normal driving conditions, 2008 Mercedes-Benz SL should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz SL weights approximately 345 kg more than 2007 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2008 Mercedes-Benz SL. In wet, icy, snow, or gravel driving conditions, 2007 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 SL (720 Nm @ 2600 RPM) has 389 more torque (in Nm) than 2007 Audi A4. (331 Nm @ 3250 RPM). This means 2008 Mercedes-Benz SL will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2008 Mercedes-Benz SL | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SL |
| Year Released | 2007 | 2008 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 5439 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 252 HP | 510 HP |
| Engine RPM | 6500 RPM | 6100 RPM |
| Torque | 331 Nm | 720 Nm |
| Torque RPM | 3250 RPM | 2600 RPM |
| Engine Bore Size | 84.5 mm | 97 mm |
| Engine Stroke Size | 92.8 mm | 92 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 245 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7 seconds | 4.7 seconds |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1610 kg | 1955 kg |
| Vehicle Length | 4590 mm | 4540 mm |
| Vehicle Width | 1780 mm | 1820 mm |
| Vehicle Height | 1430 mm | 1300 mm |
| Wheelbase Size | 2650 mm | 2570 mm |
| Fuel Consumption Overall | 9.6 L/100km | 14.6 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
