2006 BMW Z4 vs. 2004 Opel Tigra
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 2,999 cc (6 cylinders), 2006 BMW Z4 is equipped with a bigger engine. In terms of performance, 2006 BMW Z4 (255 HP @ 6600 RPM) has 137 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 570 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 (298 Nm @ 2750 RPM) has 127 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:
| 2006 BMW Z4 | 2004 Opel Tigra | |
| Make | BMW | Opel |
| Model | Z4 | Tigra |
| Year Released | 2006 | 2004 |
| Body Type | Coupe | Convertible |
| Engine Position | Front | Front |
| Engine Size | 2999 cc | 1796 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 255 HP | 118 HP |
| Engine RPM | 6600 RPM | 6000 RPM |
| Torque | 298 Nm | 171 Nm |
| Torque RPM | 2750 RPM | 4600 RPM |
| Fuel Type | Gasoline - Premium | Gasoline - Premium |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1835 kg | 1265 kg |
| Vehicle Length | 4100 mm | 3930 mm |
| Vehicle Width | 1790 mm | 1690 mm |
| Vehicle Height | 1270 mm | 1370 mm |
| Wheelbase Size | 2500 mm | 2500 mm |
| Fuel Consumption Highway | 7.8 L/100km | 5.8 L/100km |
| Fuel Consumption City | 11.8 L/100km | 10.9 L/100km |
| Fuel Consumption Overall | 9.8 L/100km | 7.7 L/100km |
| Fuel Tank Capacity | 55 L | 45 L |
