2007 BMW 645 vs. 2006 Opel Tigra
To start off, 2007 BMW 645 is newer by 1 year(s). Which means there will be less support and parts availability for 2006 Opel Tigra. In addition, the cost of maintenance, including insurance, on 2006 Opel Tigra would be higher. At 4,398 cc (8 cylinders), 2007 BMW 645 is equipped with a bigger engine. In terms of performance, 2007 BMW 645 (328 HP @ 6100 RPM) has 239 more horse power than 2006 Opel Tigra. (89 HP @ 5600 RPM). In normal driving conditions, 2007 BMW 645 should accelerate faster than 2006 Opel Tigra.
Because 2007 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 2007 BMW 645. However, in wet, icy, snow, or gravel driving conditions, 2006 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, 2007 BMW 645 (450 Nm @ 3600 RPM) has 325 more torque (in Nm) than 2006 Opel Tigra. (125 Nm @ 4000 RPM). This means 2007 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Tigra.
Compare all specifications:
| 2007 BMW 645 | 2006 Opel Tigra | |
| Make | BMW | Opel |
| Model | 645 | Tigra |
| Year Released | 2007 | 2006 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1364 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 89 HP |
| Engine RPM | 6100 RPM | 5600 RPM |
| Torque | 450 Nm | 125 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Engine Compression Ratio | 10.0:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 245 km/hour | 180 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 12.4 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle 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 | 11.8 L/100km | 6.3 L/100km |
| Fuel Tank Capacity | 70 L | 45 L |
