2005 Alfa Romeo 156 vs. 2009 Aston Martin DB9
To start off, 2009 Aston Martin DB9 is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 5,933 cc (12 cylinders), 2009 Aston Martin DB9 is equipped with a bigger engine. In terms of performance, 2009 Aston Martin DB9 (510 HP @ 6500 RPM) has 362 more horse power than 2005 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 2009 Aston Martin DB9 should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2009 Aston Martin DB9 weights approximately 175 kg more than 2005 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Aston Martin DB9. In wet, icy, snow, or gravel driving conditions, 2005 Alfa Romeo 156 will offer significantly more control. 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, 2009 Aston Martin DB9 (570 Nm @ 5750 RPM) has 260 more torque (in Nm) than 2005 Alfa Romeo 156. (310 Nm @ 2000 RPM). This means 2009 Aston Martin DB9 will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2009 Aston Martin DB9 | |
| Make | Alfa Romeo | Aston Martin |
| Model | 156 | DB9 |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 5933 cc |
| Engine Cylinders | 4 cylinders | 12 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 510 HP |
| Engine RPM | 4000 RPM | 6500 RPM |
| Torque | 310 Nm | 570 Nm |
| Torque RPM | 2000 RPM | 5750 RPM |
| Engine Bore Size | 82 mm | 89 mm |
| Engine Stroke Size | 90.4 mm | 79.5 mm |
| Engine Compression Ratio | 18.5:1 | 10.9:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 200 km/hour | 305 km/hour |
| Acceleration 0-100mph | 10.5 seconds | 4.5 seconds |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1585 kg | 1760 kg |
| Vehicle Width | 1750 mm | 1910 mm |
| Vehicle Height | 1460 mm | 1290 mm |
| Wheelbase Size | 2600 mm | 2750 mm |
| Fuel Consumption Overall | 6.8 L/100km | 16.3 L/100km |
| Fuel Tank Capacity | 50 L | 78 L |
