1981 BMW 518 vs. 2007 Opel Astra
To start off, 2007 Opel Astra is newer by 26 year(s). Which means there will be less support and parts availability for 1981 BMW 518. In addition, the cost of maintenance, including insurance, on 1981 BMW 518 would be higher. At 1,796 cc (4 cylinders), 2007 Opel Astra is equipped with a bigger engine. In terms of performance, 2007 Opel Astra (122 HP @ 5600 RPM) has 32 more horse power than 1981 BMW 518. (90 HP @ 5500 RPM) In normal driving conditions, 2007 Opel Astra should accelerate faster than 1981 BMW 518. With that said, vehicle weight also plays an important factor in acceleration. 2007 Opel Astra weights approximately 126 kg more than 1981 BMW 518. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1981 BMW 518 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 1981 BMW 518. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2007 Opel Astra (170 Nm @ 3800 RPM) has 30 more torque (in Nm) than 1981 BMW 518. (140 Nm @ 4000 RPM). This means 2007 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 518.
Compare all specifications:
1981 BMW 518 | 2007 Opel Astra | |
Make | BMW | Opel |
Model | 518 | Astra |
Year Released | 1981 | 2007 |
Body Type | Sedan | Hatchback |
Engine Position | Front | Front |
Engine Size | 1766 cc | 1796 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 90 HP | 122 HP |
Engine RPM | 5500 RPM | 5600 RPM |
Torque | 140 Nm | 170 Nm |
Torque RPM | 4000 RPM | 3800 RPM |
Engine Bore Size | 89 mm | 80.5 mm |
Engine Stroke Size | 71.1 mm | 88.2 mm |
Engine Compression Ratio | 9.5:1 | 10.5:1 |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 3 doors |
Vehicle Weight | 1140 kg | 1266 kg |
Vehicle Width | 1710 mm | 1760 mm |
Vehicle Height | 1430 mm | 1440 mm |
Wheelbase Size | 2630 mm | 2620 mm |