2007 Opel Vectra vs. 2003 Cadillac CTS
To start off, 2007 Opel Vectra is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Cadillac CTS. In addition, the cost of maintenance, including insurance, on 2003 Cadillac CTS would be higher. At 2,958 cc (6 cylinders), 2007 Opel Vectra is equipped with a bigger engine. In terms of performance, 2003 Cadillac CTS (179 HP @ 6000 RPM) has 4 more horse power than 2007 Opel Vectra. (175 HP @ 4000 RPM) In normal driving conditions, 2003 Cadillac CTS should accelerate faster than 2007 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 85 kg more than 2003 Cadillac CTS.
Because 2003 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 2003 Cadillac CTS. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Opel Vectra (370 Nm @ 1900 RPM) has 125 more torque (in Nm) than 2003 Cadillac CTS. (245 Nm @ 3400 RPM). This means 2007 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2003 Cadillac CTS.
Compare all specifications:
| 2007 Opel Vectra | 2003 Cadillac CTS | |
| Make | Opel | Cadillac |
| Model | Vectra | CTS |
| Year Released | 2007 | 2003 |
| Engine Position | Front | Front |
| Engine Size | 2958 cc | 2597 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 175 HP | 179 HP |
| Engine RPM | 4000 RPM | 6000 RPM |
| Torque | 370 Nm | 245 Nm |
| Torque RPM | 1900 RPM | 3400 RPM |
| Engine Compression Ratio | 18.5:1 | 10.2:1 |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1705 kg | 1620 kg |
| Vehicle Length | 4830 mm | 4840 mm |
| Vehicle Width | 1800 mm | 1800 mm |
| Vehicle Height | 1510 mm | 1450 mm |
| Wheelbase Size | 2840 mm | 2890 mm |
| Fuel Tank Capacity | 60 L | 64 L |
