2000 Alfa Romeo 156 vs. 2006 Cadillac STS
To start off, 2006 Cadillac STS is newer by 6 year(s). Which means there will be less support and parts availability for 2000 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2000 Alfa Romeo 156 would be higher. At 3,563 cc (6 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (253 HP @ 6500 RPM) has 109 more horse power than 2000 Alfa Romeo 156. (144 HP @ 6500 RPM) In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2000 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 502 kg more than 2000 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 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, 2000 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 (342 Nm @ 3200 RPM) has 173 more torque (in Nm) than 2000 Alfa Romeo 156. (169 Nm @ 3500 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2000 Alfa Romeo 156. 2006 Cadillac STS has automatic transmission and 2000 Alfa Romeo 156 has manual transmission. 2000 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:
| 2000 Alfa Romeo 156 | 2006 Cadillac STS | |
| Make | Alfa Romeo | Cadillac |
| Model | 156 | STS |
| Year Released | 2000 | 2006 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1746 cc | 3563 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 144 HP | 253 HP |
| Engine RPM | 6500 RPM | 6500 RPM |
| Torque | 169 Nm | 342 Nm |
| Torque RPM | 3500 RPM | 3200 RPM |
| Engine Bore Size | 82 mm | 94 mm |
| Engine Stroke Size | 82.7 mm | 85.6 mm |
| Engine Compression Ratio | 10.3:1 | 10.2:1 |
| Top Speed | 210 km/hour | 229 km/hour |
| Acceleration 0-100mph | 9.6 seconds | 7.4 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1280 kg | 1782 kg |
| Vehicle Length | 4440 mm | 4990 mm |
| Vehicle Width | 1750 mm | 1850 mm |
| Vehicle Height | 1430 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2960 mm |
| Fuel Tank Capacity | 63 L | 66 L |
