2003 Opel Vectra vs. 2011 Infiniti G25
To start off, 2011 Infiniti G25 is newer by 8 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 2,500 cc (6 cylinders), 2011 Infiniti G25 is equipped with a bigger engine. In terms of performance, 2011 Infiniti G25 (218 HP @ 6400 RPM) has 45 more horse power than 2003 Opel Vectra. (173 HP @ 5500 RPM) In normal driving conditions, 2011 Infiniti G25 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti G25 weights approximately 25 kg more than 2003 Opel Vectra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2011 Infiniti G25 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 2011 Infiniti G25. 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 (265 Nm @ 2500 RPM) has 11 more torque (in Nm) than 2011 Infiniti G25. (254 Nm @ 4800 RPM). This means 2003 Opel Vectra will have an easier job in driving up hills or pulling heavy equipment than 2011 Infiniti G25. 2011 Infiniti G25 has automatic transmission and 2003 Opel Vectra has manual transmission. 2003 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2011 Infiniti G25 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Opel Vectra | 2011 Infiniti G25 | |
| Make | Opel | Infiniti |
| Model | Vectra | G25 |
| Year Released | 2003 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 1995 cc | 2500 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 173 HP | 218 HP |
| Engine RPM | 5500 RPM | 6400 RPM |
| Torque | 265 Nm | 254 Nm |
| Torque RPM | 2500 RPM | 4800 RPM |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 7-speed shiftable automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1585 kg | 1610 kg |
| Vehicle Length | 4830 mm | 4773 mm |
| Vehicle Width | 1800 mm | 1773 mm |
| Vehicle Height | 1510 mm | 1453 mm |
| Wheelbase Size | 2710 mm | 2850 mm |
| Fuel Consumption | 6.9 L/100km | 8.1 L/100km |
| Fuel Consumption City | 13.1 L/100km | 11.7 L/100km |
| Fuel Tank Capacity | 60 L | 76 L |
