2005 BMW 645 vs. 2006 Opel Tigra
To start off, 2006 Opel Tigra is newer by 1 year(s). Which means there will be less support and parts availability for 2005 BMW 645. In addition, the cost of maintenance, including insurance, on 2005 BMW 645 would be higher. At 4,390 cc (8 cylinders), 2005 BMW 645 is equipped with a bigger engine. In terms of performance, 2005 BMW 645 (338 HP @ 6100 RPM) has 214 more horse power than 2006 Opel Tigra. (124 HP @ 6000 RPM). In normal driving conditions, 2005 BMW 645 should accelerate faster than 2006 Opel Tigra. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 645 weights approximately 450 kg more than 2006 Opel Tigra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 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 2005 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, 2005 BMW 645 (439 Nm @ 3600 RPM) has 274 more torque (in Nm) than 2006 Opel Tigra. (165 Nm @ 4600 RPM). This means 2005 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Tigra. 2006 Opel Tigra has automatic transmission and 2005 BMW 645 has manual transmission. 2005 BMW 645 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2006 Opel Tigra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 BMW 645 | 2006 Opel Tigra | |
| Make | BMW | Opel |
| Model | 645 | Tigra |
| Year Released | 2005 | 2006 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 4390 cc | 1796 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 124 HP |
| Engine RPM | 6100 RPM | 6000 RPM |
| Torque | 439 Nm | 165 Nm |
| Torque RPM | 3600 RPM | 4600 RPM |
| Engine Bore Size | 92 mm | 80.5 mm |
| Engine Stroke Size | 83 mm | 88.2 mm |
| Engine Compression Ratio | 10.5:1 | 10.5:1 |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 250 km/hour | 204 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 9.4 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1715 kg | 1265 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 | 11.8 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 70 L | 45 L |
