2003 Alfa Romeo 156 vs. 2009 Cadillac BLS
To start off, 2009 Cadillac BLS is newer by 6 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 156 would be higher. At 2,792 cc (6 cylinders), 2009 Cadillac BLS is equipped with a bigger engine. In terms of performance, 2009 Cadillac BLS (252 HP @ 5500 RPM) has 80 more horse power than 2003 Alfa Romeo 156. (172 HP @ 4000 RPM) In normal driving conditions, 2009 Cadillac BLS should accelerate faster than 2003 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac BLS weights approximately 250 kg more than 2003 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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 Alfa Romeo 156 (385 Nm @ 2000 RPM) has 20 more torque (in Nm) than 2009 Cadillac BLS. (365 Nm @ 1800 RPM). This means 2003 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2009 Cadillac BLS.
Compare all specifications:
| 2003 Alfa Romeo 156 | 2009 Cadillac BLS | |
| Make | Alfa Romeo | Cadillac |
| Model | 156 | BLS |
| Year Released | 2003 | 2009 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 2792 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 172 HP | 252 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 385 Nm | 365 Nm |
| Torque RPM | 2000 RPM | 1800 RPM |
| Engine Compression Ratio | 18.5:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Acceleration 0-100mph | 8.3 seconds | 7 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1385 kg | 1635 kg |
| Vehicle Length | 4440 mm | 4690 mm |
| Vehicle Width | 1750 mm | 1760 mm |
| Vehicle Height | 1440 mm | 1480 mm |
| Wheelbase Size | 2600 mm | 2680 mm |
| Fuel Consumption Overall | 6.6 L/100km | 10.2 L/100km |
| Fuel Tank Capacity | 63 L | 58 L |
