2004 Opel Tigra vs. 2006 BMW Z4
To start off, 2006 BMW Z4 is newer by 2 year(s). Which means there will be less support and parts availability for 2004 Opel Tigra. In addition, the cost of maintenance, including insurance, on 2004 Opel Tigra would be higher. At 2,170 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (168 HP @ 6250 RPM) has 50 more horse power than 2004 Opel Tigra. (118 HP @ 6000 RPM) In normal driving conditions, 2006 BMW Z4 should accelerate faster than 2004 Opel Tigra. With that said, vehicle weight also plays an important factor in acceleration. 2006 BMW Z4 weights approximately 60 kg more than 2004 Opel Tigra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2006 BMW Z4 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 Z4. However, in wet, icy, snow, or gravel driving conditions, 2004 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 Z4 (210 Nm @ 3500 RPM) has 39 more torque (in Nm) than 2004 Opel Tigra. (171 Nm @ 4600 RPM). This means 2006 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Tigra.
Compare all specifications:
| 2004 Opel Tigra | 2006 BMW Z4 | |
| Make | Opel | BMW |
| Model | Tigra | Z4 |
| Year Released | 2004 | 2006 |
| Body Type | Convertible | Convertible |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 2170 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 118 HP | 168 HP |
| Engine RPM | 6000 RPM | 6250 RPM |
| Torque | 171 Nm | 210 Nm |
| Torque RPM | 4600 RPM | 3500 RPM |
| Engine Bore Size | 80.5 mm | 80 mm |
| Engine Stroke Size | 88.2 mm | 72 mm |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Top Speed | 204 km/hour | 225 km/hour |
| Acceleration 0-100mph | 9.4 seconds | 7.7 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1265 kg | 1325 kg |
| Vehicle Length | 3930 mm | 4100 mm |
| Vehicle Width | 1690 mm | 1790 mm |
| Vehicle Height | 1370 mm | 1310 mm |
| Wheelbase Size | 2500 mm | 2500 mm |
| Fuel Consumption Overall | 7.7 L/100km | 8.9 L/100km |
| Fuel Tank Capacity | 45 L | 55 L |
