2004 BMW 645 vs. 2012 Opel Antara
To start off, 2012 Opel Antara is newer by 8 year(s). Which means there will be less support and parts availability for 2004 BMW 645. In addition, the cost of maintenance, including insurance, on 2004 BMW 645 would be higher. At 4,398 cc (8 cylinders), 2004 BMW 645 is equipped with a bigger engine. In terms of performance, 2004 BMW 645 (328 HP @ 6100 RPM) has 180 more horse power than 2012 Opel Antara. (148 HP @ 4000 RPM). In normal driving conditions, 2004 BMW 645 should accelerate faster than 2012 Opel Antara. With that said, vehicle weight also plays an important factor in acceleration. 2012 Opel Antara weights approximately 165 kg more than 2004 BMW 645.
Because 2012 Opel Antara is four wheel drive (4WD), it will have significant more traction and grip than 2004 BMW 645. In wet, icy, snow, or gravel driving conditions, 2012 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, 2004 BMW 645 (450 Nm @ 3600 RPM) has 130 more torque (in Nm) than 2012 Opel Antara. (320 Nm @ 2000 RPM). This means 2004 BMW 645 will have an easier job in driving up hills or pulling heavy equipment than 2012 Opel Antara.
Compare all specifications:
| 2004 BMW 645 | 2012 Opel Antara | |
| Make | BMW | Opel |
| Model | 645 | Antara |
| Year Released | 2004 | 2012 |
| Body Type | Coupe | SUV |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 1990 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 328 HP | 148 HP |
| Engine RPM | 6100 RPM | 4000 RPM |
| Torque | 450 Nm | 320 Nm |
| Torque RPM | 3600 RPM | 2000 RPM |
| Engine Bore Size | 92 mm | 83 mm |
| Engine Stroke Size | 82.7 mm | 92 mm |
| Engine Compression Ratio | 10.0:1 | 17.5:1 |
| Fuel Type | Gasoline - Premium | Diesel |
| Top Speed | 250 km/hour | 180 km/hour |
| Acceleration 0-100mph | 5.6 seconds | 10.3 seconds |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1690 kg | 1855 kg |
| Vehicle Length | 4830 mm | 4580 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1380 mm | 1710 mm |
| Wheelbase Size | 2830 mm | 2710 mm |
| Fuel Consumption Overall | 12 L/100km | 7.5 L/100km |
| Fuel Tank Capacity | 70 L | 65 L |
