1998 Alfa Romeo 156 vs. 2006 Cadillac STS
To start off, 2006 Cadillac STS is newer by 8 year(s). Which means there will be less support and parts availability for 1998 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 1998 Alfa Romeo 156 would be higher. At 4,556 cc (8 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (320 HP @ 6400 RPM) has 182 more horse power than 1998 Alfa Romeo 156. (138 HP @ 6300 RPM) In normal driving conditions, 2006 Cadillac STS should accelerate faster than 1998 Alfa Romeo 156.
Because 2006 Cadillac STS 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 STS. However, in wet, icy, snow, or gravel driving conditions, 1998 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 STS (428 Nm @ 4400 RPM) has 265 more torque (in Nm) than 1998 Alfa Romeo 156. (163 Nm @ 3500 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 1998 Alfa Romeo 156. 2006 Cadillac STS has automatic transmission and 1998 Alfa Romeo 156 has manual transmission. 1998 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1998 Alfa Romeo 156 | 2006 Cadillac STS | |
| Make | Alfa Romeo | Cadillac |
| Model | 156 | STS |
| Year Released | 1998 | 2006 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1746 cc | 4556 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 138 HP | 320 HP |
| Engine RPM | 6300 RPM | 6400 RPM |
| Torque | 163 Nm | 428 Nm |
| Torque RPM | 3500 RPM | 4400 RPM |
| Engine Bore Size | 82 mm | 93 mm |
| Engine Stroke Size | 82.7 mm | 84 mm |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4440 mm | 4990 mm |
| Vehicle Width | 1750 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2960 mm |
| Fuel Tank Capacity | 63 L | 64 L |
