2005 Alfa Romeo 156 vs. 2009 Cadillac DTS
To start off, 2009 Cadillac DTS is newer by 4 year(s). Which means there will be less support and parts availability for 2005 Alfa Romeo 156. In addition, the cost of maintenance, including insurance, on 2005 Alfa Romeo 156 would be higher. At 4,565 cc (8 cylinders), 2009 Cadillac DTS is equipped with a bigger engine. In terms of performance, 2009 Cadillac DTS (276 HP @ 6000 RPM) has 91 more horse power than 2005 Alfa Romeo 156. (185 HP @ 5000 RPM) In normal driving conditions, 2009 Cadillac DTS should accelerate faster than 2005 Alfa Romeo 156. With that said, vehicle weight also plays an important factor in acceleration. 2009 Cadillac DTS weights approximately 145 kg more than 2005 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, 2009 Cadillac DTS (400 Nm @ 4400 RPM) has 178 more torque (in Nm) than 2005 Alfa Romeo 156. (222 Nm @ 5000 RPM). This means 2009 Cadillac DTS will have an easier job in driving up hills or pulling heavy equipment than 2005 Alfa Romeo 156. 2009 Cadillac DTS has automatic transmission and 2005 Alfa Romeo 156 has manual transmission. 2005 Alfa Romeo 156 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Cadillac DTS will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Alfa Romeo 156 | 2009 Cadillac DTS | |
| Make | Alfa Romeo | Cadillac |
| Model | 156 | DTS |
| Year Released | 2005 | 2009 |
| Body Type | Station Wagon | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2492 cc | 4565 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 185 HP | 276 HP |
| Engine RPM | 5000 RPM | 6000 RPM |
| Torque | 222 Nm | 400 Nm |
| Torque RPM | 5000 RPM | 4400 RPM |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1490 kg | 1635 kg |
| Vehicle Length | 4450 mm | 5280 mm |
| Vehicle Width | 1750 mm | 1910 mm |
| Vehicle Height | 1440 mm | 1470 mm |
| Wheelbase Size | 2710 mm | 2940 mm |
| Fuel Consumption Overall | 11.8 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 72 L | 68 L |
