2005 De Tomaso Guara vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 De Tomaso Guara. In addition, the cost of maintenance, including insurance, on 2005 De Tomaso Guara would be higher. At 4,601 cc (8 cylinders), 2005 De Tomaso Guara is equipped with a bigger engine. In terms of performance, 2005 De Tomaso Guara (301 HP @ 6500 RPM) has 25 more horse power than 2007 Opel Vectra. (276 HP @ 5500 RPM). In normal driving conditions, 2005 De Tomaso Guara should accelerate faster than 2007 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Vectra weights approximately 380 kg more than 2005 De Tomaso Guara.
Because 2005 De Tomaso Guara 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 2005 De Tomaso Guara. 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, 2005 De Tomaso Guara (414 Nm @ 4800 RPM) has 59 more torque (in Nm) than 2007 Opel Vectra. (355 Nm @ 1800 RPM). This means 2005 De Tomaso Guara will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Vectra.
Compare all specifications:
| 2005 De Tomaso Guara | 2007 Opel Vectra | |
| Make | De Tomaso | Opel |
| Model | Guara | Vectra |
| Year Released | 2005 | 2007 |
| Engine Position | Middle | Front |
| Engine Size | 4601 cc | 2792 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 301 HP | 276 HP |
| Engine RPM | 6500 RPM | 5500 RPM |
| Torque | 414 Nm | 355 Nm |
| Torque RPM | 4800 RPM | 1800 RPM |
| Engine Bore Size | 90.2 mm | 89 mm |
| Engine Stroke Size | 90 mm | 74.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1200 kg | 1580 kg |
| Vehicle Length | 4200 mm | 4620 mm |
| Vehicle Width | 2040 mm | 1800 mm |
| Vehicle Height | 1210 mm | 1460 mm |
| Wheelbase Size | 2620 mm | 2710 mm |
