2003 BMW M3 vs. 2004 Aston Martin DB9
To start off, 2004 Aston Martin DB9 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 BMW M3. In addition, the cost of maintenance, including insurance, on 2003 BMW M3 would be higher. At 5,935 cc (12 cylinders), 2004 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2004 Aston Martin DB9 (454 HP @ 6000 RPM) has 112 more horse power than 2003 BMW M3. (342 HP @ 7900 RPM) In normal driving conditions, 2004 Aston Martin DB9 should accelerate faster than 2003 BMW M3. With that said, vehicle weight also plays an important factor in acceleration. 2004 Aston Martin DB9 weights approximately 331 kg more than 2003 BMW M3. 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, 2004 Aston Martin DB9 (570 Nm @ 5000 RPM) has 220 more torque (in Nm) than 2003 BMW M3. (350 Nm @ 4900 RPM). This means 2004 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2003 BMW M3. 2004 Aston Martin DB9 has automatic transmission and 2003 BMW M3 has manual transmission. 2003 BMW M3 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 Aston Martin DB9 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 BMW M3 | 2004 Aston Martin DB9 | |
| Make | BMW | Aston Martin |
| Model | M3 | DB9 |
| Year Released | 2003 | 2004 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3168 cc | 5935 cc |
| Engine Cylinders | 6 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 342 HP | 454 HP |
| Engine RPM | 7900 RPM | 6000 RPM |
| Torque | 350 Nm | 570 Nm |
| Torque RPM | 4900 RPM | 5000 RPM |
| Engine Bore Size | 87 mm | 89 mm |
| Engine Stroke Size | 91 mm | 79.5 mm |
| Engine Compression Ratio | 11.5:1 | 10.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Top Speed | 259 km/hour | 300 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 5.1 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1385 kg | 1716 kg |
| Vehicle Length | 4500 mm | 4720 mm |
| Vehicle Width | 1790 mm | 1880 mm |
| Vehicle Height | 1370 mm | 1320 mm |
| Wheelbase Size | 2730 mm | 2750 mm |
| Fuel Tank Capacity | 63 L | 85 L |
