2009 Audi A4 vs. 2012 Mercedes-Benz R
To start off, 2012 Mercedes-Benz R is newer by 3 year(s). Which means there will be less support and parts availability for 2009 Audi A4. In addition, the cost of maintenance, including insurance, on 2009 Audi A4 would be higher. At 2,987 cc (6 cylinders), 2012 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, both vehicles can yield 187 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar.
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, 2012 Mercedes-Benz R (440 Nm @ 1400 RPM) has 200 more torque (in Nm) than 2009 Audi A4. (240 Nm @ 1950 RPM). This means 2012 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A4. 2012 Mercedes-Benz R has automatic transmission and 2009 Audi A4 has manual transmission. 2009 Audi A4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2012 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A4 | 2012 Mercedes-Benz R | |
| Make | Audi | Mercedes-Benz |
| Model | A4 | R |
| Year Released | 2009 | 2012 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2987 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 4 valves |
| Horse Power | 187 HP | 187 HP |
| Engine RPM | 5700 RPM | 3800 RPM |
| Torque | 240 Nm | 440 Nm |
| Torque RPM | 1950 RPM | 1400 RPM |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 234 km/hour | 216 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 9.5 seconds |
| Drive Type | 4WD | AWD |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 7 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4550 mm | 5156 mm |
| Vehicle Width | 1780 mm | 1958 mm |
| Vehicle Height | 1430 mm | 1661 mm |
| Wheelbase Size | 2660 mm | 3216 mm |
| Fuel Tank Capacity | 66 L | 80 L |
