2006 Cadillac CTS vs. 2003 Opel Vectra
To start off, 2006 Cadillac CTS 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 2,786 cc (6 cylinders), 2006 Cadillac CTS is equipped with a bigger engine. In terms of performance, 2006 Cadillac CTS (211 HP @ 6500 RPM) has 86 more horse power than 2003 Opel Vectra. (125 HP @ 4000 RPM). In normal driving conditions, 2006 Cadillac CTS should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Cadillac CTS weights approximately 32 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.
Because 2006 Cadillac CTS is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 2006 Cadillac CTS. However, in wet, icy, snow, or gravel driving conditions, 2003 Opel Vectra, being front wheel drive (FWD), will offer much better control with better grip. 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, 2003 Opel Vectra (280 Nm @ 1500 RPM) has 17 more torque (in Nm) than 2006 Cadillac CTS. (263 Nm @ 3300 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2006 Cadillac CTS.
Compare all specifications:
| 2006 Cadillac CTS | 2003 Opel Vectra | |
| Make | Cadillac | Opel |
| Model | CTS | Vectra |
| Year Released | 2006 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2786 cc | 2169 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 211 HP | 125 HP |
| Engine RPM | 6500 RPM | 4000 RPM |
| Torque | 263 Nm | 280 Nm |
| Torque RPM | 3300 RPM | 1500 RPM |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1592 kg | 1560 kg |
| Vehicle Length | 4840 mm | 4830 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1510 mm |
