2007 Alfa Romeo 159 vs. 2007 Cadillac STS
To start off, both 2007 Alfa Romeo 159 and 2007 Cadillac STS were released in the same year (2007). Therefore the support and the availability on parts for both vehicles should be relatively similar. At 4,565 cc (8 cylinders), 2007 Cadillac STS is equipped with a bigger engine. In terms of performance, 2007 Cadillac STS (320 HP @ 6400 RPM) has 122 more horse power than 2007 Alfa Romeo 159. (198 HP @ 4000 RPM) In normal driving conditions, 2007 Cadillac STS should accelerate faster than 2007 Alfa Romeo 159. With that said, vehicle weight also plays an important factor in acceleration. 2007 Alfa Romeo 159 weights approximately 67 kg more than 2007 Cadillac STS.
Because 2007 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 2007 Cadillac STS. However, in wet, icy, snow, or gravel driving conditions, 2007 Alfa Romeo 159, 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, 2007 Cadillac STS (427 Nm @ 4400 RPM) has 27 more torque (in Nm) than 2007 Alfa Romeo 159. (400 Nm @ 2000 RPM). This means 2007 Cadillac STS will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 159. 2007 Cadillac STS has automatic transmission and 2007 Alfa Romeo 159 has manual transmission. 2007 Alfa Romeo 159 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:
| 2007 Alfa Romeo 159 | 2007 Cadillac STS | |
| Make | Alfa Romeo | Cadillac |
| Model | 159 | STS |
| Year Released | 2007 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2387 cc | 4565 cc |
| Engine Cylinders | 5 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 198 HP | 320 HP |
| Engine RPM | 4000 RPM | 6400 RPM |
| Torque | 400 Nm | 427 Nm |
| Torque RPM | 2000 RPM | 4400 RPM |
| Engine Bore Size | 82 mm | 93 mm |
| Engine Stroke Size | 90.4 mm | 84 mm |
| Engine Compression Ratio | 17.0:1 | 10.5:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1705 kg | 1638 kg |
| Vehicle Length | 4670 mm | 4990 mm |
| Vehicle Width | 1830 mm | 1850 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2960 mm |
| Fuel Consumption | 5.4 L/100km | 8.7 L/100km |
| Fuel Consumption Overall | 6.8 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 70 L | 64 L |
