1981 BMW 628 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 628. In addition, the cost of maintenance, including insurance, on 1981 BMW 628 would be higher. At 2,788 cc (6 cylinders), 1981 BMW 628 is equipped with a bigger engine. In terms of performance, 1981 BMW 628 (181 HP @ 6000 RPM) has 125 more horse power than 1999 Daihatsu Naked. (56 HP @ 7600 RPM). In normal driving conditions, 1981 BMW 628 should accelerate faster than 1999 Daihatsu Naked. With that said, vehicle weight also plays an important factor in acceleration. 1981 BMW 628 weights approximately 630 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 628. 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 628 (240 Nm @ 4000 RPM) has 176 more torque (in Nm) than 1999 Daihatsu Naked. (64 Nm @ 4000 RPM). This means 1981 BMW 628 will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Naked.
Compare all specifications:
| 1981 BMW 628 | 1999 Daihatsu Naked | |
| Make | BMW | Daihatsu |
| Model | 628 | Naked |
| Year Released | 1981 | 1999 |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 659 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 181 HP | 56 HP |
| Engine RPM | 6000 RPM | 7600 RPM |
| Torque | 240 Nm | 64 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Engine Bore Size | 86 mm | 68 mm |
| Engine Stroke Size | 80 mm | 60.5 mm |
| Engine Compression Ratio | 9.3:1 | 10.5:1 |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 4 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1470 kg | 840 kg |
| Vehicle Length | 4760 mm | 3400 mm |
| Vehicle Width | 1730 mm | 1480 mm |
| Vehicle Height | 1370 mm | 1560 mm |
| Wheelbase Size | 2640 mm | 2380 mm |
| Fuel Tank Capacity | 70 L | 37 L |
