2003 Aston Martin DB9 vs. 1999 BMW 323
To start off, 2003 Aston Martin DB9 is newer by 4 year(s). Which means there will be less support and parts availability for 1999 BMW 323. In addition, the cost of maintenance, including insurance, on 1999 BMW 323 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 280 more horse power than 1999 BMW 323. (170 HP @ 5500 RPM). In normal driving conditions, 2003 Aston Martin DB9 should accelerate faster than 1999 BMW 323. With that said, vehicle weight also plays an important factor in acceleration. 2003 Aston Martin DB9 weights approximately 253 kg more than 1999 BMW 323. 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 312 more torque (in Nm) than 1999 BMW 323. (245 Nm @ 3500 RPM). This means 2003 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 1999 BMW 323. 1999 BMW 323 has automatic transmission and 2003 Aston Martin DB9 has manual transmission. 2003 Aston Martin DB9 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 BMW 323 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Aston Martin DB9 | 1999 BMW 323 | |
| Make | Aston Martin | BMW |
| Model | DB9 | 323 |
| Year Released | 2003 | 1999 |
| Body Type | Coupe | Coupe |
| Engine Position | Front | Front |
| Engine Size | 5935 cc | 2492 cc |
| Engine Cylinders | 12 cylinders | 6 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 450 HP | 170 HP |
| Engine RPM | 6000 RPM | 5500 RPM |
| Torque | 557 Nm | 245 Nm |
| Torque RPM | 5000 RPM | 3500 RPM |
| Engine Bore Size | 89 mm | 84 mm |
| Engine Stroke Size | 79.5 mm | 75 mm |
| Top Speed | 300 km/hour | 206 km/hour |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1710 kg | 1457 kg |
| Vehicle Length | 4970 mm | 4490 mm |
| Vehicle Width | 1880 mm | 1760 mm |
| Vehicle Height | 1320 mm | 1390 mm |
| Wheelbase Size | 2750 mm | 2730 mm |
| Fuel Tank Capacity | 85 L | 63 L |
