2008 Aston Martin DB7 vs. 2009 Mercury Mariner
To start off, 2009 Mercury Mariner is newer by 1 year(s). Which means there will be less support and parts availability for 2008 Aston Martin DB7. In addition, the cost of maintenance, including insurance, on 2008 Aston Martin DB7 would be higher. At 5,935 cc (12 cylinders), 2008 Aston Martin DB7 is equipped with a bigger engine. In terms of performance, 2008 Aston Martin DB7 (444 HP @ 6000 RPM) has 273 more horse power than 2009 Mercury Mariner. (171 HP @ 6000 RPM). In normal driving conditions, 2008 Aston Martin DB7 should accelerate faster than 2009 Mercury Mariner. With that said, vehicle weight also plays an important factor in acceleration. 2009 Mercury Mariner weights approximately 15 kg more than 2008 Aston Martin DB7.
Because 2009 Mercury Mariner is four wheel drive (4WD), it will have significant more traction and grip than 2008 Aston Martin DB7. In wet, icy, snow, or gravel driving conditions, 2009 Mercury Mariner 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, 2008 Aston Martin DB7 (542 Nm @ 5000 RPM) has 310 more torque (in Nm) than 2009 Mercury Mariner. (232 Nm @ 4500 RPM). This means 2008 Aston Martin DB7 will have an easier job in driving up hills or pulling heavy equipment than 2009 Mercury Mariner.
Compare all specifications:
| 2008 Aston Martin DB7 | 2009 Mercury Mariner | |
| Make | Aston Martin | Mercury |
| Model | DB7 | Mariner |
| Year Released | 2008 | 2009 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 2488 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 444 HP | 171 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 542 Nm | 232 Nm |
| Torque RPM | 5000 RPM | 4500 RPM |
| Engine Compression Ratio | 10.3:1 | 9.7:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1910 kg | 1925 kg |
| Vehicle Length | 4720 mm | 4460 mm |
| Vehicle Height | 1280 mm | 1730 mm |
| Wheelbase Size | 2600 mm | 2630 mm |
| Fuel Consumption Overall | 19.6 L/100km | 11.2 L/100km |
| Fuel Tank Capacity | 82 L | 62 L |
