2003 Alfa Romeo 8C Competizione vs. 2006 Cadillac STS
To start off, 2006 Cadillac STS is newer by 3 year(s). Which means there will be less support and parts availability for 2003 Alfa Romeo 8C Competizione. In addition, the cost of maintenance, including insurance, on 2003 Alfa Romeo 8C Competizione would be higher. At 4,242 cc (8 cylinders), 2003 Alfa Romeo 8C Competizione is equipped with a bigger engine. In terms of performance, 2003 Alfa Romeo 8C Competizione (400 HP @ 7000 RPM) has 147 more horse power than 2006 Cadillac STS. (253 HP @ 6500 RPM). In normal driving conditions, 2003 Alfa Romeo 8C Competizione should accelerate faster than 2006 Cadillac STS. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 282 kg more than 2003 Alfa Romeo 8C Competizione.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2003 Alfa Romeo 8C Competizione (441 Nm @ 4500 RPM) has 99 more torque (in Nm) than 2006 Cadillac STS. (342 Nm @ 3200 RPM). This means 2003 Alfa Romeo 8C Competizione will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac STS. 2006 Cadillac STS has automatic transmission and 2003 Alfa Romeo 8C Competizione has manual transmission. 2003 Alfa Romeo 8C Competizione 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:
| 2003 Alfa Romeo 8C Competizione | 2006 Cadillac STS | |
| Make | Alfa Romeo | Cadillac |
| Model | 8C Competizione | STS |
| Year Released | 2003 | 2006 |
| Body Type | Coupe | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4242 cc | 3563 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 400 HP | 253 HP |
| Engine RPM | 7000 RPM | 6500 RPM |
| Torque | 441 Nm | 342 Nm |
| Torque RPM | 4500 RPM | 3200 RPM |
| Engine Bore Size | 92 mm | 94 mm |
| Engine Stroke Size | 79.8 mm | 85.6 mm |
| Top Speed | 300 km/hour | 229 km/hour |
| Acceleration 0-100mph | 4.5 seconds | 7.4 seconds |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 1500 kg | 1782 kg |
| Vehicle Length | 4280 mm | 4990 mm |
| Vehicle Width | 1910 mm | 1850 mm |
| Vehicle Height | 1260 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2960 mm |
| Fuel Tank Capacity | 90 L | 66 L |
