2007 Audi A4 vs. 2009 Mercedes-Benz SLR McLaren
To start off, 2009 Mercedes-Benz SLR McLaren is newer by 2 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), 2009 Mercedes-Benz SLR McLaren is equipped with a bigger engine. In terms of performance, 2009 Mercedes-Benz SLR McLaren (618 HP @ 6500 RPM) has 418 more horse power than 2007 Audi A4. (200 HP @ 5100 RPM) In normal driving conditions, 2009 Mercedes-Benz SLR McLaren should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 55 kg more than 2009 Mercedes-Benz SLR McLaren.
Because 2007 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Mercedes-Benz SLR McLaren. 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, 2009 Mercedes-Benz SLR McLaren (780 Nm @ 3250 RPM) has 498 more torque (in Nm) than 2007 Audi A4. (282 Nm @ 1800 RPM). This means 2009 Mercedes-Benz SLR McLaren will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A4.
Compare all specifications:
| 2007 Audi A4 | 2009 Mercedes-Benz SLR McLaren | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | SLR McLaren |
| Year Released | 2007 | 2009 |
| Body Type | Station Wagon | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 5439 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 3 valves |
| Horse Power | 200 HP | 618 HP |
| Engine RPM | 5100 RPM | 6500 RPM |
| Torque | 282 Nm | 780 Nm |
| Torque RPM | 1800 RPM | 3250 RPM |
| Fuel Type | Diesel | Diesel |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1880 kg | 1825 kg |
| Vehicle Length | 4590 mm | 4660 mm |
| Vehicle Width | 1780 mm | 1910 mm |
| Vehicle Height | 1430 mm | 1260 mm |
| Wheelbase Size | 2660 mm | 2710 mm |
| Fuel Consumption | 7.8 L/100km | 14.7 L/100km |
| Fuel Consumption City | 10.7 L/100km | 19.6 L/100km |
| Fuel Consumption Overall | 9.4 L/100km | 18.1 L/100km |
| Fuel Tank Capacity | 63 L | 97 L |
