2006 Alfa Romeo 156 vs. 2009 Cadillac BLS
To start off, 2009 Cadillac BLS is newer by 3 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 2,387 cc (5 cylinders), 2006 Alfa Romeo 156 is equipped with a bigger engine. In terms of performance, 2009 Cadillac BLS (179 HP @ 4000 RPM) has 6 more horse power than 2006 Alfa Romeo 156. (173 HP @ 4000 RPM) In normal driving conditions, 2009 Cadillac BLS should accelerate faster than 2006 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac BLS weights approximately 90 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.
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, 2009 Cadillac BLS (400 Nm @ 1850 RPM) has 15 more torque (in Nm) than 2006 Alfa Romeo 156. (385 Nm @ 2000 RPM). This means 2009 Cadillac BLS will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 156. 2009 Cadillac BLS has automatic transmission and 2006 Alfa Romeo 156 has manual transmission. 2006 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Cadillac BLS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Alfa Romeo 156 | 2009 Cadillac BLS | |
| Make | Alfa Romeo | Cadillac |
| Model | 156 | BLS |
| Year Released | 2006 | 2009 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 1910 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 179 HP |
| Engine RPM | 4000 RPM | 4000 RPM |
| Torque | 385 Nm | 400 Nm |
| Torque RPM | 2000 RPM | 1850 RPM |
| Engine Bore Size | 82 mm | 82 mm |
| Engine Stroke Size | 90.4 mm | 90.4 mm |
| Engine Compression Ratio | 18.5:1 | 9.5:1 |
| Fuel Type | Diesel | Diesel |
| Top Speed | 225 km/hour | 215 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 9.1 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1510 kg | 1600 kg |
| Vehicle Length | 4440 mm | 4720 mm |
| Vehicle Width | 1750 mm | 1760 mm |
| Vehicle Height | 1440 mm | 1550 mm |
| Wheelbase Size | 2550 mm | 2680 mm |
| Fuel Consumption Overall | 6.6 L/100km | 6.5 L/100km |
| Fuel Tank Capacity | 63 L | 58 L |
