2007 Aston Martin DB9 vs. 2008 Mercedes-Benz R
To start off, 2008 Mercedes-Benz R is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Aston Martin DB9. In addition, the cost of maintenance, including insurance, on 2007 Aston Martin DB9 would be higher. At 5,935 cc (12 cylinders), 2007 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2007 Aston Martin DB9 (451 HP @ 5750 RPM) has 230 more horse power than 2008 Mercedes-Benz R. (221 HP @ 3800 RPM). In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2008 Mercedes-Benz R. With that said, vehicle weight also plays an important factor in acceleration. 2008 Mercedes-Benz R weights approximately 460 kg more than 2007 Aston Martin DB9.
Because 2008 Mercedes-Benz R is four wheel drive (4WD), it will have significant more traction and grip than 2007 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2008 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 Aston Martin DB9 (570 Nm @ 5000 RPM) has 60 more torque (in Nm) than 2008 Mercedes-Benz R. (510 Nm @ 1600 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2008 Mercedes-Benz R. 2008 Mercedes-Benz R has automatic transmission and 2007 Aston Martin DB9 has manual transmission. 2007 Aston Martin DB9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 Mercedes-Benz R will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Aston Martin DB9 | 2008 Mercedes-Benz R | |
| Make | Aston Martin | Mercedes-Benz |
| Model | DB9 | R |
| Year Released | 2007 | 2008 |
| Body Type | Coupe | Minivan |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 2987 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 451 HP | 221 HP |
| Engine RPM | 5750 RPM | 3800 RPM |
| Torque | 570 Nm | 510 Nm |
| Torque RPM | 5000 RPM | 1600 RPM |
| Engine Bore Size | 89 mm | 83 mm |
| Engine Stroke Size | 79.5 mm | 92 mm |
| Engine Compression Ratio | 10.3:1 | 17.7:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 300 km/hour | 222 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 8.8 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 6 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1835 kg | 2295 kg |
| Vehicle Length | 4720 mm | 5180 mm |
| Vehicle Width | 1880 mm | 1930 mm |
| Vehicle Height | 1280 mm | 1670 mm |
| Wheelbase Size | 2750 mm | 3220 mm |
| Fuel Consumption City | 19.6 L/100km | 11.2 L/100km |
| Fuel Consumption Overall | 17.8 L/100km | 9.3 L/100km |
| Fuel Tank Capacity | 78 L | 80 L |
