2004 Opel Astra vs. 2013 BMW 7 Series
To start off, 2013 BMW 7 Series is newer by 9 year(s). Which means there will be less support and parts availability for 2004 Opel Astra. In addition, the cost of maintenance, including insurance, on 2004 Opel Astra would be higher. At 4,395 cc (8 cylinders), 2013 BMW 7 Series is equipped with a bigger engine. In terms of performance, 2013 BMW 7 Series (439 HP @ 5500 RPM) has 242 more horse power than 2004 Opel Astra. (197 HP @ 5400 RPM) In normal driving conditions, 2013 BMW 7 Series should accelerate faster than 2004 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2013 BMW 7 Series weights approximately 791 kg more than 2004 Opel Astra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2013 BMW 7 Series 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 2013 BMW 7 Series. However, in wet, icy, snow, or gravel driving conditions, 2004 Opel Astra, 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, 2013 BMW 7 Series (651 Nm @ 4500 RPM) has 389 more torque (in Nm) than 2004 Opel Astra. (262 Nm @ 4200 RPM). This means 2013 BMW 7 Series will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Astra. 2013 BMW 7 Series has automatic transmission and 2004 Opel Astra has manual transmission. 2004 Opel Astra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2013 BMW 7 Series will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2004 Opel Astra | 2013 BMW 7 Series | |
| Make | Opel | BMW |
| Model | Astra | 7 Series |
| Year Released | 2004 | 2013 |
| Engine Position | Front | Front |
| Engine Size | 1994 cc | 4395 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 197 HP | 439 HP |
| Engine RPM | 5400 RPM | 5500 RPM |
| Torque | 262 Nm | 651 Nm |
| Torque RPM | 4200 RPM | 4500 RPM |
| Engine Bore Size | 86 mm | 89 mm |
| Engine Stroke Size | 86 mm | 88 mm |
| Engine Compression Ratio | 8.8:1 | 10.0 :1 |
| Top Speed | 230 km/hour | 250 km/hour |
| Acceleration 0-100mph | 8.2 seconds | 4.8 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Manual | 8-speed automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1386 kg | 2177 kg |
| Vehicle Length | 4260 mm | 5214 mm |
| Vehicle Width | 1760 mm | 2134 mm |
| Vehicle Height | 1470 mm | 1481 mm |
| Wheelbase Size | 2740 mm | 3210 mm |
| Fuel Consumption | 7.1 L/100km | 7.5 L/100km |
| Fuel Consumption City | 13.1 L/100km | 11.6 L/100km |
| Fuel Tank Capacity | 52 L | 80 L |
