2006 Cadillac STS vs. 2007 Alfa Romeo GT
To start off, 2007 Alfa Romeo GT is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2006 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2006 Cadillac STS is equipped with a bigger engine. In terms of performance, 2006 Cadillac STS (321 HP @ 6400 RPM) has 158 more horse power than 2007 Alfa Romeo GT. (163 HP @ 6400 RPM). In normal driving conditions, 2006 Cadillac STS should accelerate faster than 2007 Alfa Romeo GT. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac STS weights approximately 423 kg more than 2007 Alfa Romeo GT. 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, 2007 Alfa Romeo GT, 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 (427 Nm @ 4400 RPM) has 221 more torque (in Nm) than 2007 Alfa Romeo GT. (206 Nm @ 3250 RPM). This means 2006 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo GT.
Compare all specifications:
| 2006 Cadillac STS | 2007 Alfa Romeo GT | |
| Make | Cadillac | Alfa Romeo |
| Model | STS | GT |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4565 cc | 1969 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 321 HP | 163 HP |
| Engine RPM | 6400 RPM | 6400 RPM |
| Torque | 427 Nm | 206 Nm |
| Torque RPM | 4400 RPM | 3250 RPM |
| Engine Bore Size | 93 mm | 83 mm |
| Engine Stroke Size | 84 mm | 91 mm |
| Engine Compression Ratio | 10.5:1 | 11.3:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 216 km/hour |
| Acceleration 0-100mph | 6.2 seconds | 8.7 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1818 kg | 1395 kg |
| Vehicle Length | 4990 mm | 4500 mm |
| Vehicle Width | 1850 mm | 1770 mm |
| Vehicle Height | 1470 mm | 1370 mm |
| Wheelbase Size | 2960 mm | 2600 mm |
| Fuel Consumption Overall | 14.5 L/100km | 8.7 L/100km |
| Fuel Tank Capacity | 66 L | 63 L |
