2007 Audi RS4 vs. 2009 Mercedes-Benz R
To start off, 2009 Mercedes-Benz R is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Audi RS4. In addition, the cost of maintenance, including insurance, on 2007 Audi RS4 would be higher. At 4,163 cc (8 cylinders), 2007 Audi RS4 is equipped with a bigger engine. In terms of performance, 2007 Audi RS4 (414 HP @ 7800 RPM) has 204 more horse power than 2009 Mercedes-Benz R. (210 HP @ 3800 RPM). In normal driving conditions, 2007 Audi RS4 should accelerate faster than 2009 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi RS4 weights approximately 605 kg more than 2009 Mercedes-Benz R. 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 R (540 Nm @ 1600 RPM) has 109 more torque (in Nm) than 2007 Audi RS4. (431 Nm @ 5500 RPM). This means 2009 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi RS4. 2009 Mercedes-Benz R has automatic transmission and 2007 Audi RS4 has manual transmission. 2007 Audi RS4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi RS4 | 2009 Mercedes-Benz R | |
| Make | Audi | Mercedes-Benz |
| Model | RS4 | R |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | Minivan |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 2985 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 210 HP |
| Engine RPM | 7800 RPM | 3800 RPM |
| Torque | 431 Nm | 540 Nm |
| Torque RPM | 5500 RPM | 1600 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1845 kg | 1240 kg |
| Vehicle Length | 4560 mm | 5160 mm |
| Vehicle Width | 1820 mm | 1960 mm |
| Vehicle Height | 1400 mm | 1670 mm |
| Wheelbase Size | 2660 mm | 3220 mm |
| Fuel Consumption Overall | 13.9 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 63 L | 80 L |
