2003 Aston Martin DB7 vs. 2004 BMW 318
To start off, 2004 BMW 318 is newer by 1 year(s). Which means there will be less support and parts availability for 2003 Aston Martin DB7. In addition, the cost of maintenance, including insurance, on 2003 Aston Martin DB7 would be higher. At 5,935 cc (12 cylinders), 2003 Aston Martin DB7 is equipped with a bigger engine. In terms of performance, 2003 Aston Martin DB7 (414 HP @ 6000 RPM) has 266 more horse power than 2004 BMW 318. (148 HP @ 6000 RPM). In normal driving conditions, 2003 Aston Martin DB7 should accelerate faster than 2004 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2003 Aston Martin DB7 weights approximately 495 kg more than 2004 BMW 318. 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, 2003 Aston Martin DB7 (550 Nm @ 5000 RPM) has 350 more torque (in Nm) than 2004 BMW 318. (200 Nm @ 3750 RPM). This means 2003 Aston Martin DB7 will have an easier job in driving up hills or pulling heavy equipment than 2004 BMW 318. 2004 BMW 318 has automatic transmission and 2003 Aston Martin DB7 has manual transmission. 2003 Aston Martin DB7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2004 BMW 318 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Aston Martin DB7 | 2004 BMW 318 | |
| Make | Aston Martin | BMW |
| Model | DB7 | 318 |
| Year Released | 2003 | 2004 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 1995 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 414 HP | 148 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 550 Nm | 200 Nm |
| Torque RPM | 5000 RPM | 3750 RPM |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1875 kg | 1380 kg |
| Vehicle Length | 4720 mm | 4270 mm |
| Vehicle Width | 1830 mm | 1760 mm |
| Vehicle Height | 1240 mm | 1410 mm |
| Wheelbase Size | 2600 mm | 2770 mm |
| Fuel Tank Capacity | 89 L | 63 L |
