2005 Cadillac DeVille vs. 2003 Opel Vectra
To start off, 2005 Cadillac DeVille is newer by 2 year(s). Which means there will be less support and parts availability for 2003 Opel Vectra. In addition, the cost of maintenance, including insurance, on 2003 Opel Vectra would be higher. At 4,563 cc (8 cylinders), 2005 Cadillac DeVille is equipped with a bigger engine. In terms of performance, 2005 Cadillac DeVille (300 HP @ 6000 RPM) has 126 more horse power than 2003 Opel Vectra. (174 HP @ 4000 RPM). In normal driving conditions, 2005 Cadillac DeVille should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Cadillac DeVille weights approximately 72 kg more than 2003 Opel Vectra. 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, 2005 Cadillac DeVille (400 Nm) has 30 more torque (in Nm) than 2003 Opel Vectra. (370 Nm). This means 2005 Cadillac DeVille will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2005 Cadillac DeVille | 2003 Opel Vectra | |
| Make | Cadillac | Opel |
| Model | DeVille | Vectra |
| Year Released | 2005 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 4563 cc | 2958 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 300 HP | 174 HP |
| Engine RPM | 6000 RPM | 4000 RPM |
| Torque | 400 Nm | 370 Nm |
| Engine Compression Ratio | 10.0:1 | 18.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1836 kg | 1764 kg |
| Vehicle Length | 5270 mm | 4830 mm |
| Vehicle Width | 1900 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1510 mm |
| Wheelbase Size | 2860 mm | 2840 mm |
| Fuel Consumption Highway | 9.1 L/100km | 5.8 L/100km |
| Fuel Consumption City | 13.1 L/100km | 11 L/100km |
| Fuel Consumption Overall | 11.2 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 68 L | 60 L |
