2005 BMW 740 vs. 2007 Opel Vectra
To start off, 2007 Opel Vectra is newer by 2 year(s). Which means there will be less support and parts availability for 2005 BMW 740. In addition, the cost of maintenance, including insurance, on 2005 BMW 740 would be higher. At 3,901 cc (8 cylinders), 2005 BMW 740 is equipped with a bigger engine. In terms of performance, 2007 Opel Vectra (276 HP @ 5500 RPM) has 21 more horse power than 2005 BMW 740. (255 HP @ 4000 RPM) In normal driving conditions, 2007 Opel Vectra should accelerate faster than 2005 BMW 740. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 740 weights approximately 477 kg more than 2007 Opel Vectra.
Because 2005 BMW 740 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 2005 BMW 740. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2005 BMW 740 (600 Nm @ 1900 RPM) has 245 more torque (in Nm) than 2007 Opel Vectra. (355 Nm @ 1800 RPM). This means 2005 BMW 740 will have an easier job in driving up hills or pulling heavy equipment than 2007 Opel Vectra. 2005 BMW 740 has automatic transmission and 2007 Opel Vectra has manual transmission. 2007 Opel Vectra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 740 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 740 | 2007 Opel Vectra | |
| Make | BMW | Opel |
| Model | 740 | Vectra |
| Year Released | 2005 | 2007 |
| Engine Position | Front | Front |
| Engine Size | 3901 cc | 2791 cc |
| Engine Cylinders | 8 cylinders | 6 cylinders |
| Engine Type | V | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 276 HP |
| Engine RPM | 4000 RPM | 5500 RPM |
| Torque | 600 Nm | 355 Nm |
| Torque RPM | 1900 RPM | 1800 RPM |
| Engine Bore Size | 84 mm | 89 mm |
| Engine Stroke Size | 88 mm | 74.8 mm |
| Engine Compression Ratio | 18.0:1 | 9.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Top Speed | 250 km/hour | 250 km/hour |
| Acceleration 0-100mph | 7.4 seconds | 6.3 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 2090 kg | 1613 kg |
| Vehicle Length | 5040 mm | 4830 mm |
| Vehicle Width | 1910 mm | 1800 mm |
| Vehicle Height | 1500 mm | 1490 mm |
| Wheelbase Size | 2890 mm | 2840 mm |
| Fuel Consumption Overall | 9.8 L/100km | 10.4 L/100km |
| Fuel Tank Capacity | 88 L | 61 L |
