2009 Audi A8 vs. 2009 Mercedes-Benz R
To start off, both 2009 Audi A8 and 2009 Mercedes-Benz R were released in the same year (2009). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 2,987 cc, 2009 Mercedes-Benz R is equipped with a bigger engine. In terms of performance, 2009 Audi A8 (230 HP @ 4000 RPM) has 9 more horse power than 2009 Mercedes-Benz R. (221 HP @ 3800 RPM). In normal driving conditions, 2009 Audi A8 should accelerate faster than 2009 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercedes-Benz R weights approximately 1368 kg more than 2009 Audi A8.
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 (510 Nm @ 2800 RPM) has 60 more torque (in Nm) than 2009 Audi A8. (450 Nm @ 1400 RPM). This means 2009 Mercedes-Benz R will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A8.
Compare all specifications:
| 2009 Audi A8 | 2009 Mercedes-Benz R | |
| Make | Audi | Mercedes-Benz |
| Model | A8 | R |
| Year Released | 2009 | 2009 |
| Body Type | Sedan | Minivan |
| Engine Position | Front | Front |
| Engine Size | 2965 cc | 2987 cc |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 230 HP | 221 HP |
| Engine RPM | 4000 RPM | 3800 RPM |
| Torque | 450 Nm | 510 Nm |
| Torque RPM | 1400 RPM | 2800 RPM |
| Engine Bore Size | 83 mm | 83 mm |
| Engine Stroke Size | 91.4 mm | 92 mm |
| Engine Compression Ratio | 17.0:1 | 17.7:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 243 km/hour | 222 km/hour |
| Acceleration 0-100mph | 7.9 seconds | 8.8 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 930 kg | 2298 kg |
| Vehicle Length | 5190 mm | 5180 mm |
| Vehicle Width | 1900 mm | 1670 mm |
| Vehicle Height | 1450 mm | 1930 mm |
| Wheelbase Size | 3080 mm | 3220 mm |
| Fuel Consumption Overall | 8.4 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 90 L | 80 L |
