2007 BMW 320 vs. 1981 BMW 518
To start off, 2007 BMW 320 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 1,994 cc (4 cylinders), 2007 BMW 320 is equipped with a bigger engine. In terms of performance, 2007 BMW 320 (148 HP @ 6200 RPM) has 58 more horse power than 1981 BMW 518. (90 HP @ 5500 RPM). In normal driving conditions, 2007 BMW 320 should accelerate faster than 1981 BMW 518. With that said, vehicle weight also plays an important factor in acceleration. 2007 BMW 320 weights approximately 255 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.
Let's talk about torque, 2007 BMW 320 (200 Nm @ 3600 RPM) has 60 more torque (in Nm) than 1981 BMW 518. (140 Nm @ 4000 RPM). This means 2007 BMW 320 will have an easier job in driving up hills or pulling heavy equipment than 1981 BMW 518.
Compare all specifications:
2007 BMW 320 | 1981 BMW 518 | |
Make | BMW | BMW |
Model | 320 | 518 |
Year Released | 2007 | 1981 |
Body Type | Sedan | Sedan |
Engine Position | Front | Front |
Engine Size | 1994 cc | 1766 cc |
Engine Cylinders | 4 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Horse Power | 148 HP | 90 HP |
Engine RPM | 6200 RPM | 5500 RPM |
Torque | 200 Nm | 140 Nm |
Torque RPM | 3600 RPM | 4000 RPM |
Engine Bore Size | 84 mm | 89 mm |
Engine Stroke Size | 90 mm | 71.1 mm |
Engine Compression Ratio | 10.5:1 | 9.5:1 |
Transmission Type | Manual | Manual |
Number of Seats | 5 seats | 5 seats |
Number of Doors | 4 doors | 4 doors |
Vehicle Weight | 1395 kg | 1140 kg |
Vehicle Length | 4530 mm | 4630 mm |
Vehicle Width | 1430 mm | 1710 mm |
Vehicle Height | 1880 mm | 1430 mm |
Wheelbase Size | 2770 mm | 2630 mm |