2007 BMW Z4 vs. 2009 Opel Antara
To start off, 2009 Opel Antara is newer by 2 year(s). Which means there will be less support and parts availability for 2007 BMW Z4. In addition, the cost of maintenance, including insurance, on 2007 BMW Z4 would be higher. At 3,199 cc (6 cylinders), 2007 BMW Z4 is equipped with a bigger engine. In terms of performance, 2007 BMW Z4 (358 HP @ 7900 RPM) has 210 more horse power than 2009 Opel Antara. (148 HP @ 4000 RPM). In normal driving conditions, 2007 BMW Z4 should accelerate faster than 2009 Opel Antara.
Because 2009 Opel Antara is four wheel drive (4WD), it will have significant more traction and grip than 2007 BMW Z4. In wet, icy, snow, or gravel driving conditions, 2009 Opel Antara will offer significantly more control. 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 Z4 (385 Nm @ 4900 RPM) has 65 more torque (in Nm) than 2009 Opel Antara. (320 Nm @ 2000 RPM). This means 2007 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2009 Opel Antara. 2009 Opel Antara has automatic transmission and 2007 BMW Z4 has manual transmission. 2007 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2009 Opel Antara will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 BMW Z4 | 2009 Opel Antara | |
| Make | BMW | Opel |
| Model | Z4 | Antara |
| Year Released | 2007 | 2009 |
| Body Type | Convertible | SUV |
| Engine Position | Front | Front |
| Engine Size | 3199 cc | 1990 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 358 HP | 148 HP |
| Engine RPM | 7900 RPM | 4000 RPM |
| Torque | 385 Nm | 320 Nm |
| Torque RPM | 4900 RPM | 2000 RPM |
| Engine Compression Ratio | 11.5:1 | 17.5:1 |
| Fuel Type | Gasoline | Diesel |
| Top Speed | 273 km/hour | 180 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Length | 4100 mm | 4580 mm |
| Vehicle Width | 1790 mm | 1860 mm |
| Vehicle Height | 1300 mm | 1710 mm |
| Wheelbase Size | 2500 mm | 2710 mm |
