2005 Alfa Romeo 156 vs. 2006 Cadillac CTS
To start off, 2006 Cadillac CTS is newer by 1 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 2,597 cc (6 cylinders), 2006 Cadillac CTS is equipped with a bigger engine. In terms of performance, 2006 Cadillac CTS (179 HP @ 6000 RPM) has 6 more horse power than 2005 Alfa Romeo 156. (173 HP @ 4000 RPM) In normal driving conditions, 2006 Cadillac CTS should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac CTS weights approximately 544 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 2006 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 2006 Cadillac CTS. However, in wet, icy, snow, or gravel driving conditions, 2005 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 Cadillac CTS (232 Nm @ 3400 RPM) has 45 more torque (in Nm) than 2005 Alfa Romeo 156. (187 Nm @ 3500 RPM). This means 2006 Cadillac CTS 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 | 2006 Cadillac CTS | |
| Make | Alfa Romeo | Cadillac |
| Model | 156 | CTS |
| Year Released | 2005 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 2597 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 179 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 187 Nm | 232 Nm |
| Torque RPM | 3500 RPM | 3400 RPM |
| Engine Compression Ratio | 10.0:1 | 10.0:1 |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1250 kg | 1794 kg |
| Wheelbase Size | 2710 mm | 2890 mm |
| Fuel Tank Capacity | 63 L | 68 L |
