2006 Alfa Romeo 159 vs. 2007 Cadillac DTS
To start off, 2007 Cadillac DTS is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Alfa Romeo 159. In addition, the cost of maintenance, including insurance, on 2006 Alfa Romeo 159 would be higher. At 4,565 cc (8 cylinders), 2007 Cadillac DTS is equipped with a bigger engine. In terms of performance, 2007 Cadillac DTS (276 HP @ 6000 RPM) has 158 more horse power than 2006 Alfa Romeo 159. (118 HP @ 4000 RPM) In normal driving conditions, 2007 Cadillac DTS should accelerate faster than 2006 Alfa Romeo 159.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear 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, 2007 Cadillac DTS (400 Nm @ 4400 RPM) has 120 more torque (in Nm) than 2006 Alfa Romeo 159. (280 Nm @ 2000 RPM). This means 2007 Cadillac DTS will have an easier job in driving up hills or pulling heavy equipment than 2006 Alfa Romeo 159. 2007 Cadillac DTS has automatic transmission and 2006 Alfa Romeo 159 has manual transmission. 2006 Alfa Romeo 159 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Cadillac DTS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2006 Alfa Romeo 159 | 2007 Cadillac DTS | |
| Make | Alfa Romeo | Cadillac |
| Model | 159 | DTS |
| Year Released | 2006 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1910 cc | 4565 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 118 HP | 276 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 280 Nm | 400 Nm |
| Torque RPM | 2000 RPM | 4400 RPM |
| Engine Compression Ratio | 18.0:1 | 10.0:1 |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 4670 mm | 5280 mm |
| Vehicle Width | 1830 mm | 1910 mm |
| Vehicle Height | 1420 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2940 mm |
| Fuel Consumption | 4.8 L/100km | 9.4 L/100km |
| Fuel Consumption Overall | 6 L/100km | 11.8 L/100km |
| Fuel Tank Capacity | 70 L | 68 L |
