2009 Alfa Romeo Spider vs. 2007 Aston Martin DB9
To start off, 2009 Alfa Romeo Spider 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 (450 HP @ 6000 RPM) has 253 more horse power than 2009 Alfa Romeo Spider. (197 HP @ 4000 RPM) In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2009 Alfa Romeo Spider. With that said, vehicle weight also plays an important factor in acceleration. 2009 Alfa Romeo Spider weights approximately 20 kg more than 2007 Aston Martin DB9.
Because 2007 Aston Martin DB9 is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2007 Aston Martin DB9. However, in wet, icy, snow, or gravel driving conditions, 2009 Alfa Romeo Spider, being front wheel drive (FWD), will offer much better control with better grip. 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 170 more torque (in Nm) than 2009 Alfa Romeo Spider. (400 Nm @ 2000 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2009 Alfa Romeo Spider. 2007 Aston Martin DB9 has automatic transmission and 2009 Alfa Romeo Spider has manual transmission. 2009 Alfa Romeo Spider will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Aston Martin DB9 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2009 Alfa Romeo Spider | 2007 Aston Martin DB9 | |
| Make | Alfa Romeo | Aston Martin |
| Model | Spider | DB9 |
| Year Released | 2009 | 2007 |
| Body Type | Roadster | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2385 cc | 5935 cc |
| Engine Cylinders | 5 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 450 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 400 Nm | 570 Nm |
| Torque RPM | 2000 RPM | 5000 RPM |
| Engine Compression Ratio | 17.0:1 | 10.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 225 km/hour | 300 km/hour |
| Acceleration 0-100mph | 8.5 seconds | 5.1 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1730 kg | 1710 kg |
| Vehicle Length | 4400 mm | 4720 mm |
| Vehicle Width | 1840 mm | 1890 mm |
| Vehicle Height | 1380 mm | 1320 mm |
| Wheelbase Size | 2530 mm | 2750 mm |
| Fuel Consumption Overall | 7.9 L/100km | 15.7 L/100km |
| Fuel Tank Capacity | 70 L | 80 L |
