2006 Cadillac DTS vs. 2003 Opel Vectra
To start off, 2006 Cadillac DTS is newer by 3 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 4,572 cc (8 cylinders), 2006 Cadillac DTS is equipped with a bigger engine. In terms of performance, 2006 Cadillac DTS (275 HP @ 5200 RPM) has 155 more horse power than 2003 Opel Vectra. (120 HP @ 5800 RPM). In normal driving conditions, 2006 Cadillac DTS should accelerate faster than 2003 Opel Vectra.
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, 2006 Cadillac DTS (396 Nm @ 4400 RPM) has 226 more torque (in Nm) than 2003 Opel Vectra. (170 Nm @ 3800 RPM). This means 2006 Cadillac DTS will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra.
Compare all specifications:
| 2006 Cadillac DTS | 2003 Opel Vectra | |
| Make | Cadillac | Opel |
| Model | DTS | Vectra |
| Year Released | 2006 | 2003 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4572 cc | 1795 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 275 HP | 120 HP |
| Engine RPM | 5200 RPM | 5800 RPM |
| Torque | 396 Nm | 170 Nm |
| Torque RPM | 4400 RPM | 3800 RPM |
| Engine Bore Size | 93 mm | 80.5 mm |
| Engine Stroke Size | 84 mm | 88.2 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Drive Type | Front | Front |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5280 mm | 4500 mm |
| Vehicle Width | 1910 mm | 1710 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2940 mm | 2640 mm |
| Fuel Consumption Highway | 9.4 L/100km | 6.1 L/100km |
| Fuel Consumption City | 13.8 L/100km | 11 L/100km |
| Fuel Consumption Overall | 11.8 L/100km | 7.9 L/100km |
| Fuel Tank Capacity | 68 L | 60 L |
