2006 Alfa Romeo 156 vs. 2007 Aston Martin DB9
To start off, 2007 Aston Martin DB9 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 156 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 (451 HP @ 5750 RPM) has 278 more horse power than 2006 Alfa Romeo 156. (173 HP @ 4000 RPM) In normal driving conditions, 2007 Aston Martin DB9 should accelerate faster than 2006 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2007 Aston Martin DB9 weights approximately 325 kg more than 2006 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2006 Alfa Romeo 156, 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 185 more torque (in Nm) than 2006 Alfa Romeo 156. (385 Nm @ 2000 RPM). This means 2007 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 156.
Compare all specifications:
| 2006 Alfa Romeo 156 | 2007 Aston Martin DB9 | |
| Make | Alfa Romeo | Aston Martin |
| Model | 156 | DB9 |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 5935 cc |
| Engine Cylinders | 5 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 451 HP |
| Engine RPM | 4000 RPM | 5750 RPM |
| Torque | 385 Nm | 570 Nm |
| Torque RPM | 2000 RPM | 5000 RPM |
| Engine Bore Size | 82 mm | 89 mm |
| Engine Stroke Size | 90.4 mm | 79.5 mm |
| Engine Compression Ratio | 18.5:1 | 10.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 225 km/hour | 300 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 4.9 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1510 kg | 1835 kg |
| Vehicle Length | 4440 mm | 4720 mm |
| Vehicle Width | 1750 mm | 1880 mm |
| Vehicle Height | 1440 mm | 1280 mm |
| Wheelbase Size | 2550 mm | 2750 mm |
| Fuel Consumption Overall | 6.6 L/100km | 17.8 L/100km |
| Fuel Tank Capacity | 63 L | 78 L |
