2006 BMW 645 vs. 2009 Opel Tigra
To start off, 2009 Opel Tigra is newer by 3 year(s). Which means there will be less support and parts availability for 2006 BMW 645. In addition, the cost of maintenance, including insurance, on 2006 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2006 BMW 645 is equipped with a bigger engine. In terms of performance, 2006 BMW 645 (328 HP @ 6100 RPM) has 205 more horse power than 2009 Opel Tigra. (123 HP @ 4600 RPM). In normal driving conditions, 2006 BMW 645 should accelerate faster than 2009 Opel Tigra. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW 645 weights approximately 676 kg more than 2009 Opel Tigra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW 645 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 2006 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2009 Opel Tigra, 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, 2006 BMW 645 (450 Nm @ 3600 RPM) has 285 more torque (in Nm) than 2009 Opel Tigra. (165 Nm @ 4600 RPM). This means 2006 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2009 Opel Tigra.
Compare all specifications:
| 2006 BMW 645 | 2009 Opel Tigra | |
| Make | BMW | Opel |
| Model | 645 | Tigra |
| Year Released | 2006 | 2009 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1795 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 328 HP | 123 HP |
| Engine RPM | 6100 RPM | 4600 RPM |
| Torque | 450 Nm | 165 Nm |
| Torque RPM | 3600 RPM | 4600 RPM |
| Engine Bore Size | 92 mm | 80.5 mm |
| Engine Stroke Size | 83 mm | 93 mm |
| Engine Compression Ratio | 10.0:1 | 8.8:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 250 km/hour | 204 km/hour |
| Acceleration 0-100mph | 6.1 seconds | 9.4 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1836 kg | 1160 kg |
| Vehicle Length | 4830 mm | 3930 mm |
| Vehicle Width | 1860 mm | 1690 mm |
| Vehicle Height | 1380 mm | 1370 mm |
| Wheelbase Size | 2790 mm | 2500 mm |
| Fuel Consumption Overall | 12.8 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 70 L | 45 L |
