2006 Alfa Romeo 156 vs. 2008 Cadillac CTS
To start off, 2008 Cadillac CTS is newer by 2 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 3,564 cc (6 cylinders), 2008 Cadillac CTS is equipped with a bigger engine. In terms of performance, 2008 Cadillac CTS (307 HP @ 6400 RPM) has 134 more horse power than 2006 Alfa Romeo 156. (173 HP @ 4000 RPM) In normal driving conditions, 2008 Cadillac CTS should accelerate faster than 2006 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac CTS weights approximately 284 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 2008 Cadillac CTS 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 2008 Cadillac CTS. 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, 2006 Alfa Romeo 156 (385 Nm @ 2000 RPM) has 11 more torque (in Nm) than 2008 Cadillac CTS. (374 Nm @ 5200 RPM). This means 2006 Alfa Romeo 156 will have an easier job in driving up hills or pulling heavy equipment than 2008 Cadillac CTS.
Compare all specifications:
| 2006 Alfa Romeo 156 | 2008 Cadillac CTS | |
| Make | Alfa Romeo | Cadillac |
| Model | 156 | CTS |
| Year Released | 2006 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 3564 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 307 HP |
| Engine RPM | 4000 RPM | 6400 RPM |
| Torque | 385 Nm | 374 Nm |
| Torque RPM | 2000 RPM | 5200 RPM |
| Engine Bore Size | 82 mm | 94 mm |
| Engine Stroke Size | 90.4 mm | 85.6 mm |
| Engine Compression Ratio | 18.5:1 | 11.3:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 225 km/hour | 249 km/hour |
| Acceleration 0-100mph | 9.7 seconds | 6.3 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1510 kg | 1794 kg |
| Vehicle Length | 4440 mm | 4870 mm |
| Vehicle Width | 1750 mm | 1850 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2890 mm |
| Fuel Consumption Overall | 6.6 L/100km | 11.1 L/100km |
| Fuel Tank Capacity | 63 L | 68 L |
