1981 BMW 518 vs. 1999 Daihatsu Naked
To start off, 1999 Daihatsu Naked is newer by 18 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 1,766 cc (4 cylinders), 1981 BMW 518 is equipped with a bigger engine. In terms of performance, 1981 BMW 518 (90 HP @ 5500 RPM) has 34 more horse power than 1999 Daihatsu Naked. (56 HP @ 7600 RPM). In normal driving conditions, 1981 BMW 518 should accelerate faster than 1999 Daihatsu Naked. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 518 weights approximately 290 kg more than 1999 Daihatsu Naked. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1999 Daihatsu Naked is four wheel drive (4WD), it will have significant more traction and grip than 1981 BMW 518. In wet, icy, snow, or gravel driving conditions, 1999 Daihatsu Naked 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, 1981 BMW 518 (140 Nm @ 4000 RPM) has 76 more torque (in Nm) than 1999 Daihatsu Naked. (64 Nm @ 4000 RPM). This means 1981 BMW 518 will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Naked. 1999 Daihatsu Naked has automatic transmission and 1981 BMW 518 has manual transmission. 1981 BMW 518 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Daihatsu Naked will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1981 BMW 518 | 1999 Daihatsu Naked | |
| Make | BMW | Daihatsu |
| Model | 518 | Naked |
| Year Released | 1981 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 1766 cc | 659 cc |
| Engine Cylinders | 4 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 90 HP | 56 HP |
| Engine RPM | 5500 RPM | 7600 RPM |
| Torque | 140 Nm | 64 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 89 mm | 68.1 mm |
| Engine Stroke Size | 71.1 mm | 60.5 mm |
| Engine Compression Ratio | 9.5:1 | 10.5:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1140 kg | 850 kg |
| Vehicle Length | 4630 mm | 3400 mm |
| Vehicle Width | 1710 mm | 1480 mm |
| Vehicle Height | 1430 mm | 1560 mm |
| Wheelbase Size | 2630 mm | 2370 mm |
