2009 Audi A5 vs. 2007 Mercedes-Benz R
To start off, 2009 Audi A5 is newer by 2 year(s). Which means there will be less support and parts availability for 2007 Mercedes-Benz R. In addition, the cost of maintenance, including insurance, on 2007 Mercedes-Benz R would be higher. At 2,987 cc (6 cylinders), 2007 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2007 Mercedes-Benz R (187 HP @ 4000 RPM) has 18 more horse power than 2009 Audi A5. (169 HP @ 4200 RPM) In normal driving conditions, 2007 Mercedes-Benz R should accelerate faster than 2009 Audi A5. With that said, vehicle weight also plays an important factor in acceleration. 2007 Mercedes-Benz R weights approximately 756 kg more than 2009 Audi A5. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A5. In wet, icy, snow, or gravel driving conditions, 2007 Mercedes-Benz R 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, 2007 Mercedes-Benz R (440 Nm @ 1400 RPM) has 90 more torque (in Nm) than 2009 Audi A5. (350 Nm @ 1750 RPM). This means 2007 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A5. 2007 Mercedes-Benz R has automatic transmission and 2009 Audi A5 has manual transmission. 2009 Audi A5 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Audi A5 | 2007 Mercedes-Benz R | |
| Make | Audi | Mercedes-Benz |
| Model | A5 | R |
| Year Released | 2009 | 2007 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 2987 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 169 HP | 187 HP |
| Engine RPM | 4200 RPM | 4000 RPM |
| Torque | 350 Nm | 440 Nm |
| Torque RPM | 1750 RPM | 1400 RPM |
| Engine Bore Size | 81 mm | 83 mm |
| Engine Stroke Size | 95.5 mm | 92 mm |
| Engine Compression Ratio | 16.5:1 | 18.0:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 230 km/hour | 210 km/hour |
| Acceleration 0-100mph | 8.3 seconds | 9.8 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1470 kg | 2226 kg |
| Vehicle Length | 4630 mm | 4930 mm |
| Vehicle Width | 1860 mm | 1930 mm |
| Vehicle Height | 1380 mm | 1660 mm |
| Wheelbase Size | 2760 mm | 2990 mm |
| Fuel Consumption Overall | 5.6 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 65 L | 80 L |
