2008 Alfa Romeo 147 vs. 2007 Cadillac STS
To start off, 2008 Alfa Romeo 147 is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Cadillac STS. In addition, the cost of maintenance, including insurance, on 2007 Cadillac STS would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (322 HP @ 6400 RPM) has 218 more horse power than 2008 Alfa Romeo 147. (104 HP @ 5600 RPM) In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2008 Alfa Romeo 147. With that said, vehicle weight also plays an important factor in acceleration. 2007 Cadillac STS weights approximately 555 kg more than 2008 Alfa Romeo 147. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Cadillac STS is four wheel drive (4WD), it will have significant more traction and grip than 2008 Alfa Romeo 147. In wet, icy, snow, or gravel driving conditions, 2007 Cadillac STS 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 (427 Nm @ 4400 RPM) has 286 more torque (in Nm) than 2008 Alfa Romeo 147. (141 Nm @ 4200 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2008 Alfa Romeo 147. 2007 Cadillac STS has automatic transmission and 2008 Alfa Romeo 147 has manual transmission. 2008 Alfa Romeo 147 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac STS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Alfa Romeo 147 | 2007 Cadillac STS | |
| Make | Alfa Romeo | Cadillac |
| Model | 147 | STS |
| Year Released | 2008 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 4565 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 104 HP | 322 HP |
| Engine RPM | 5600 RPM | 6400 RPM |
| Torque | 141 Nm | 427 Nm |
| Torque RPM | 4200 RPM | 4400 RPM |
| Engine Bore Size | 82 mm | 93 mm |
| Engine Stroke Size | 75.7 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 185 km/hour | 250 km/hour |
| Acceleration 0-100mph | 11.3 seconds | 6.2 seconds |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1265 kg | 1820 kg |
| Vehicle Length | 4230 mm | 4990 mm |
| Vehicle Width | 1740 mm | 1850 mm |
| Vehicle Height | 1450 mm | 1470 mm |
| Wheelbase Size | 2550 mm | 2960 mm |
| Fuel Consumption Overall | 8.1 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 60 L | 66 L |
