1981 BMW 518 vs. 2007 Opel Speedster
To start off, 2007 Opel Speedster 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 1,998 cc (4 cylinders), 2007 Opel Speedster is equipped with a bigger engine. In terms of performance, 2007 Opel Speedster (197 HP @ 5500 RPM) has 107 more horse power than 1981 BMW 518. (90 HP @ 5500 RPM) In normal driving conditions, 2007 Opel Speedster should accelerate faster than 1981 BMW 518. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 518 weights approximately 135 kg more than 2007 Opel Speedster.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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 Speedster (250 Nm @ 1950 RPM) has 110 more torque (in Nm) than 1981 BMW 518. (140 Nm @ 4000 RPM). This means 2007 Opel Speedster 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 Speedster | |
Make | BMW | Opel |
Model | 518 | Speedster |
Year Released | 1981 | 2007 |
Body Type | Sedan | Convertible |
Engine Position | Front | Middle |
Engine Size | 1766 cc | 1998 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 90 HP | 197 HP |
Engine RPM | 5500 RPM | 5500 RPM |
Torque | 140 Nm | 250 Nm |
Torque RPM | 4000 RPM | 1950 RPM |
Engine Bore Size | 89 mm | 86 mm |
Engine Stroke Size | 71.1 mm | 86 mm |
Engine Compression Ratio | 9.5:1 | 8.8:1 |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 2 seats |
Number of Doors | 4 doors | 2 doors |
Vehicle Weight | 1140 kg | 1005 kg |
Vehicle Length | 4630 mm | 3790 mm |
Vehicle Width | 1710 mm | 1710 mm |
Vehicle Height | 1430 mm | 1120 mm |
Wheelbase Size | 2630 mm | 2340 mm |