2005 BMW 730 vs. 2010 Opel Insignia
To start off, 2010 Opel Insignia is newer by 5 year(s). Which means there will be less support and parts availability for 2005 BMW 730. In addition, the cost of maintenance, including insurance, on 2005 BMW 730 would be higher. At 2,993 cc (6 cylinders), 2005 BMW 730 is equipped with a bigger engine. In terms of performance, 2010 Opel Insignia (321 HP @ 5500 RPM) has 93 more horse power than 2005 BMW 730. (228 HP @ 5900 RPM) In normal driving conditions, 2010 Opel Insignia should accelerate faster than 2005 BMW 730.
Because 2010 Opel Insignia is four wheel drive (4WD), it will have significant more traction and grip than 2005 BMW 730. In wet, icy, snow, or gravel driving conditions, 2010 Opel Insignia 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, 2010 Opel Insignia (435 Nm @ 5500 RPM) has 135 more torque (in Nm) than 2005 BMW 730. (300 Nm @ 3500 RPM). This means 2010 Opel Insignia will have an easier job in driving up hills or pulling heavy equipment than 2005 BMW 730. 2005 BMW 730 has automatic transmission and 2010 Opel Insignia has manual transmission. 2010 Opel Insignia will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 BMW 730 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 730 | 2010 Opel Insignia | |
| Make | BMW | Opel |
| Model | 730 | Insignia |
| Year Released | 2005 | 2010 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2993 cc | 2792 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 228 HP | 321 HP |
| Engine RPM | 5900 RPM | 5500 RPM |
| Torque | 300 Nm | 435 Nm |
| Torque RPM | 3500 RPM | 5500 RPM |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Length | 5190 mm | 4830 mm |
| Vehicle Width | 1910 mm | 1856 mm |
| Vehicle Height | 1490 mm | 1498 mm |
| Wheelbase Size | 3140 mm | 2737 mm |
