2003 Aston Martin DB9 vs. 1991 BMW 318
To start off, 2003 Aston Martin DB9 is newer by 12 year(s). Which means there will be less support and parts availability for 1991 BMW 318. In addition, the cost of maintenance, including insurance, on 1991 BMW 318 would be higher. At 5,935 cc (12 cylinders), 2003 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2003 Aston Martin DB9 (450 HP @ 6000 RPM) has 310 more horse power than 1991 BMW 318. (140 HP @ 6000 RPM). In normal driving conditions, 2003 Aston Martin DB9 should accelerate faster than 1991 BMW 318. With that said, vehicle weight also plays an important factor in acceleration. 2003 Aston Martin DB9 weights approximately 470 kg more than 1991 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 DB9 (557 Nm @ 5000 RPM) has 382 more torque (in Nm) than 1991 BMW 318. (175 Nm @ 4500 RPM). This means 2003 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW 318.
Compare all specifications:
| 2003 Aston Martin DB9 | 1991 BMW 318 | |
| Make | Aston Martin | BMW |
| Model | DB9 | 318 |
| Year Released | 2003 | 1991 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 1796 cc |
| Engine Cylinders | 12 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 450 HP | 140 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 557 Nm | 175 Nm |
| Torque RPM | 5000 RPM | 4500 RPM |
| Top Speed | 300 km/hour | 208 km/hour |
| Acceleration 0-100mph | 4.9 seconds | 10.2 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1710 kg | 1240 kg |
| Vehicle Length | 4970 mm | 4440 mm |
| Vehicle Width | 1880 mm | 1720 mm |
| Vehicle Height | 1320 mm | 1370 mm |
| Wheelbase Size | 2750 mm | 2710 mm |
| Fuel Tank Capacity | 85 L | 65 L |
