2007 Alfa Romeo 156 vs. 2008 Cadillac DTS
To start off, 2008 Cadillac DTS is newer by 1 year(s). Which means there will be less support and parts availability for 2007 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2007 Alfa Romeo 156 would be higher. At 4,565 cc (8 cylinders), 2008 Cadillac DTS is equipped with a bigger engine. In terms of performance, 2008 Cadillac DTS (292 HP @ 6300 RPM) has 144 more horse power than 2007 Alfa Romeo 156. (148 HP @ 6300 RPM) In normal driving conditions, 2008 Cadillac DTS should accelerate faster than 2007 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2008 Cadillac DTS weights approximately 353 kg more than 2007 Alfa Romeo 156. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2008 Cadillac DTS (391 Nm @ 4500 RPM) has 209 more torque (in Nm) than 2007 Alfa Romeo 156. (182 Nm @ 3800 RPM). This means 2008 Cadillac DTS will have an easier job in driving up hills or pulling heavy equipment than 2007 Alfa Romeo 156.
Compare all specifications:
| 2007 Alfa Romeo 156 | 2008 Cadillac DTS | |
| Make | Alfa Romeo | Cadillac |
| Model | 156 | DTS |
| Year Released | 2007 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1970 cc | 4565 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 148 HP | 292 HP |
| Engine RPM | 6300 RPM | 6300 RPM |
| Torque | 182 Nm | 391 Nm |
| Torque RPM | 3800 RPM | 4500 RPM |
| Engine Bore Size | 83 mm | 93 mm |
| Engine Stroke Size | 91 mm | 84 mm |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1285 kg | 1638 kg |
| Vehicle Length | 4440 mm | 5280 mm |
| Vehicle Width | 1750 mm | 1910 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2600 mm | 2940 mm |
| Fuel Consumption Overall | 8.7 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 63 L | 68 L |
