2003 Opel Vectra vs. 2011 Infiniti G37
To start off, 2011 Infiniti G37 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 3,700 cc (6 cylinders), 2011 Infiniti G37 is equipped with a bigger engine. In terms of performance, 2011 Infiniti G37 (330 HP @ 7000 RPM) has 121 more horse power than 2003 Opel Vectra. (209 HP @ 6200 RPM) In normal driving conditions, 2011 Infiniti G37 should accelerate faster than 2003 Opel Vectra. With that said, vehicle weight also plays an important factor in acceleration. 2011 Infiniti G37 weights approximately 114 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 G37 is all wheel drive (AWD), it will have significant more traction and grip than 2003 Opel Vectra. In wet, icy, snow, or gravel driving conditions, 2011 Infiniti G37 will offer significantly more control. 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, 2011 Infiniti G37 (366 Nm @ 5200 RPM) has 66 more torque (in Nm) than 2003 Opel Vectra. (300 Nm @ 4000 RPM). This means 2011 Infiniti G37 will have an easier job in driving up hills or pulling heavy equipment than 2003 Opel Vectra. 2011 Infiniti G37 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 G37 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Opel Vectra | 2011 Infiniti G37 | |
| Make | Opel | Infiniti |
| Model | Vectra | G37 |
| Year Released | 2003 | 2011 |
| Engine Position | Front | Front |
| Engine Size | 3175 cc | 3700 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 209 HP | 330 HP |
| Engine RPM | 6200 RPM | 7000 RPM |
| Torque | 300 Nm | 366 Nm |
| Torque RPM | 4000 RPM | 5200 RPM |
| Drive Type | Front | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1625 kg | 1739 kg |
| Vehicle Length | 4830 mm | 4655 mm |
| Vehicle Width | 1800 mm | 1824 mm |
| Vehicle Height | 1510 mm | 1407 mm |
| Wheelbase Size | 2840 mm | 2850 mm |
| Fuel Consumption | 7.6 L/100km | 9.4 L/100km |
| Fuel Consumption City | 14.3 L/100km | 13.1 L/100km |
| Fuel Tank Capacity | 60 L | 76 L |
