2003 Opel Vectra vs. 2010 Porsche Cayman
To start off, 2010 Porsche Cayman is newer by 7 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 2,958 cc (6 cylinders), 2003 Opel Vectra is equipped with a bigger engine. In terms of performance, 2010 Porsche Cayman (265 HP @ 7200 RPM) has 91 more horse power than 2003 Opel Vectra. (174 HP @ 4000 RPM) In normal driving conditions, 2010 Porsche Cayman should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2003 Opel Vectra weights approximately 434 kg more than 2010 Porsche Cayman.
Because 2010 Porsche Cayman 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 2010 Porsche Cayman. 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 (370 Nm @ 1900 RPM) has 71 more torque (in Nm) than 2010 Porsche Cayman. (299 Nm @ 4400 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2010 Porsche Cayman. 2003 Opel Vectra has automatic transmission and 2010 Porsche Cayman has manual transmission. 2010 Porsche Cayman will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Opel Vectra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Opel Vectra | 2010 Porsche Cayman | |
| Make | Opel | Porsche |
| Model | Vectra | Cayman |
| Year Released | 2003 | 2010 |
| Engine Position | Front | Middle |
| Engine Size | 2958 cc | 2900 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 174 HP | 265 HP |
| Engine RPM | 4000 RPM | 7200 RPM |
| Torque | 370 Nm | 299 Nm |
| Torque RPM | 1900 RPM | 4400 RPM |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1764 kg | 1330 kg |
| Vehicle Length | 4830 mm | 4376 mm |
| Vehicle Width | 1800 mm | 1801 mm |
| Vehicle Height | 1510 mm | 1303 mm |
| Wheelbase Size | 2840 mm | 2416 mm |
| Fuel Consumption | 5.8 L/100km | 8.7 L/100km |
| Fuel Consumption City | 11 L/100km | 12.4 L/100km |
| Fuel Tank Capacity | 60 L | 64 L |
