2000 Infiniti Q45 vs. 2005 Opel Vectra
To start off, 2005 Opel Vectra is newer by 5 year(s). Which means there will be less support and parts availability for 2000 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2000 Infiniti Q45 would be higher. At 4,130 cc (8 cylinders), 2000 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2000 Infiniti Q45 (265 HP @ 5600 RPM) has 140 more horse power than 2005 Opel Vectra. (125 HP @ 4000 RPM). In normal driving conditions, 2000 Infiniti Q45 should accelerate faster than 2005 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2000 Infiniti Q45 weights approximately 237 kg more than 2005 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2000 Infiniti Q45 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 2000 Infiniti Q45. However, in wet, icy, snow, or gravel driving conditions, 2005 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, 2000 Infiniti Q45 (378 Nm @ 4000 RPM) has 108 more torque (in Nm) than 2005 Opel Vectra. (270 Nm @ 1500 RPM). This means 2000 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2005 Opel Vectra.
Compare all specifications:
| 2000 Infiniti Q45 | 2005 Opel Vectra | |
| Make | Infiniti | Opel |
| Model | Q45 | Vectra |
| Year Released | 2000 | 2005 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4130 cc | 2171 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 125 HP |
| Engine RPM | 5600 RPM | 4000 RPM |
| Torque | 378 Nm | 270 Nm |
| Torque RPM | 4000 RPM | 1500 RPM |
| Engine Bore Size | 93 mm | 84 mm |
| Engine Stroke Size | 76 mm | 98 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1760 kg | 1523 kg |
| Vehicle Length | 5070 mm | 4830 mm |
| Vehicle Width | 1830 mm | 1800 mm |
| Vehicle Height | 1450 mm | 1510 mm |
| Wheelbase Size | 2840 mm | 2710 mm |
| Fuel Tank Capacity | 60 L | 61 L |
