2003 Infiniti Q45 vs. 2008 Opel Insignia
To start off, 2008 Opel Insignia is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Infiniti Q45. In addition, the cost of maintenance, including insurance, on 2003 Infiniti Q45 would be higher. At 4,494 cc (8 cylinders), 2003 Infiniti Q45 is equipped with a bigger engine. In terms of performance, 2003 Infiniti Q45 (340 HP @ 6400 RPM) has 123 more horse power than 2008 Opel Insignia. (217 HP @ 5300 RPM). In normal driving conditions, 2003 Infiniti Q45 should accelerate faster than 2008 Opel Insignia.
Because 2003 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 2003 Infiniti Q45. However, in wet, icy, snow, or gravel driving conditions, 2008 Opel Insignia, 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 Infiniti Q45 (451 Nm @ 4000 RPM) has 101 more torque (in Nm) than 2008 Opel Insignia. (350 Nm @ 2000 RPM). This means 2003 Infiniti Q45 will have an easier job in driving up hills or pulling heavy equipment than 2008 Opel Insignia. 2003 Infiniti Q45 has automatic transmission and 2008 Opel Insignia has manual transmission. 2008 Opel Insignia will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Infiniti Q45 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Infiniti Q45 | 2008 Opel Insignia | |
| Make | Infiniti | Opel |
| Model | Q45 | Insignia |
| Year Released | 2003 | 2008 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 4494 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 340 HP | 217 HP |
| Engine RPM | 6400 RPM | 5300 RPM |
| Torque | 451 Nm | 350 Nm |
| Torque RPM | 4000 RPM | 2000 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5080 mm | 4830 mm |
| Vehicle Width | 1850 mm | 1856 mm |
| Vehicle Height | 1500 mm | 1498 mm |
| Wheelbase Size | 2880 mm | 2737 mm |
