2007 Aston Martin DB9 vs. 2009 BMW 325
To start off, 2009 BMW 325 is newer by 2 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 236 more horse power than 2009 BMW 325. (215 HP @ 6100 RPM). In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2009 BMW 325. With that said, vehicle weight also plays an important factor in acceleration. 2007 Aston Martin DB9 weights approximately 340 kg more than 2009 BMW 325. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front 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, 2007 Aston Martin DB9 (570 Nm @ 5000 RPM) has 300 more torque (in Nm) than 2009 BMW 325. (270 Nm @ 2400 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2009 BMW 325. 2009 BMW 325 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. 2009 BMW 325 will be easier to drive especially in heavy traffic.
Compare all specifications:
2007 Aston Martin DB9 | 2009 BMW 325 | |
Make | Aston Martin | BMW |
Model | DB9 | 325 |
Year Released | 2007 | 2009 |
Engine Position | Front | Front |
Engine Size | 5935 cc | 2494 cc |
Engine Cylinders | 12 cylinders | 6 cylinders |
Engine Type | V | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 451 HP | 215 HP |
Engine RPM | 5750 RPM | 6100 RPM |
Torque | 570 Nm | 270 Nm |
Torque RPM | 5000 RPM | 2400 RPM |
Engine Bore Size | 89 mm | 85 mm |
Engine Stroke Size | 79.5 mm | 88 mm |
Engine Compression Ratio | 10.3:1 | 12.0:1 |
Fuel Type | Gasoline - Premium | Gasoline - Premium |
Top Speed | 300 km/hour | 250 km/hour |
Acceleration 0-100mph | 4.9 seconds | 6.9 seconds |
Drive Type | Rear | Rear |
Transmission Type | Manual | Automatic |
Number of Seats | 4 seats | 4 seats |
Number of Doors | 2 doors | 3 doors |
Vehicle Weight | 1835 kg | 1495 kg |
Vehicle Length | 4720 mm | 4590 mm |
Vehicle Width | 1880 mm | 1790 mm |
Vehicle Height | 1280 mm | 1400 mm |
Wheelbase Size | 2750 mm | 2770 mm |
Fuel Consumption Overall | 17.8 L/100km | 7.1 L/100km |
Fuel Tank Capacity | 78 L | 63 L |