1999 Infiniti Q45 vs. 2002 Opel Vectra
To start off, 2002 Opel Vectra is newer by 3 year(s). Which means there will be less support and parts availability for 1999 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 1999 Infiniti Q45 would be higher. At 4,128 cc (8 cylinders), 1999 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 1999 Infiniti Q45 (265 HP @ 5600 RPM) has 165 more horse power than 2002 Opel Vectra. (100 HP @ 6200 RPM). In normal driving conditions, 1999 Infiniti Q45 should accelerate faster than 2002 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Infiniti Q45 weights approximately 419 kg more than 2002 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 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 1999 Infiniti Q45. However, in wet, icy, snow, or gravel driving conditions, 2002 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, 1999 Infiniti Q45 (378 Nm @ 4000 RPM) has 228 more torque (in Nm) than 2002 Opel Vectra. (150 Nm @ 3200 RPM). This means 1999 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2002 Opel Vectra. 1999 Infiniti Q45 has automatic transmission and 2002 Opel Vectra has manual transmission. 2002 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1999 Infiniti Q45 | 2002 Opel Vectra | |
| Make | Infiniti | Opel |
| Model | Q45 | Vectra |
| Year Released | 1999 | 2002 |
| Engine Position | Front | Front |
| Engine Size | 4128 cc | 1598 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 265 HP | 100 HP |
| Engine RPM | 5600 RPM | 6200 RPM |
| Torque | 378 Nm | 150 Nm |
| Torque RPM | 4000 RPM | 3200 RPM |
| Engine Bore Size | 93 mm | 79 mm |
| Engine Stroke Size | 76 mm | 81.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1759 kg | 1340 kg |
| Vehicle Length | 5080 mm | 4500 mm |
| Vehicle Width | 1830 mm | 1720 mm |
| Vehicle Height | 1450 mm | 1500 mm |
| Wheelbase Size | 2840 mm | 2650 mm |
