2005 Alfa Romeo 156 vs. 2007 Cadillac STS-V
To start off, 2007 Cadillac STS-V is newer by 2 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 4,376 cc (8 cylinders), 2007 Cadillac STS-V is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS-V (469 HP @ 6400 RPM) has 321 more horse power than 2005 Alfa Romeo 156. (148 HP @ 4000 RPM) In normal driving conditions, 2007 Cadillac STS-V should accelerate faster than 2005 Alfa Romeo 156.
Because 2005 Alfa Romeo 156 is four wheel drive (4WD), it will have significant more traction and grip than 2007 Cadillac STS-V. 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, 2007 Cadillac STS-V (595 Nm @ 3900 RPM) has 285 more torque (in Nm) than 2005 Alfa Romeo 156. (310 Nm @ 2000 RPM). This means 2007 Cadillac STS-V will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2007 Cadillac STS-V has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac STS-V will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2007 Cadillac STS-V | |
| Make | Alfa Romeo | Cadillac |
| Model | 156 | STS-V |
| Year Released | 2005 | 2007 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 4376 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 469 HP |
| Engine RPM | 4000 RPM | 6400 RPM |
| Torque | 310 Nm | 595 Nm |
| Torque RPM | 2000 RPM | 3900 RPM |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Width | 1750 mm | 1850 mm |
| Vehicle Height | 1460 mm | 1480 mm |
| Wheelbase Size | 2600 mm | 2960 mm |
| Fuel Tank Capacity | 50 L | 64 L |
