1979 BMW 728 vs. 1999 Daihatsu Sirion
To start off, 1999 Daihatsu Sirion is newer by 20 year(s). Which means there will be less support and parts availability for 1979 BMW 728. In addition, the cost of maintenance, including insurance, on 1979 BMW 728 would be higher. At 2,788 cc (6 cylinders), 1979 BMW 728 is equipped with a bigger engine. In terms of performance, 1979 BMW 728 (181 HP @ 5800 RPM) has 109 more horse power than 1999 Daihatsu Sirion. (72 HP @ 5200 RPM). In normal driving conditions, 1979 BMW 728 should accelerate faster than 1999 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1979 BMW 728 weights approximately 620 kg more than 1999 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1979 BMW 728 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 1979 BMW 728. However, in wet, icy, snow, or gravel driving conditions, 1999 Daihatsu Sirion, 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, 1979 BMW 728 (240 Nm @ 4200 RPM) has 139 more torque (in Nm) than 1999 Daihatsu Sirion. (101 Nm @ 3600 RPM). This means 1979 BMW 728 will have an easier job in driving up hills or pulling heavy equipment than 1999 Daihatsu Sirion.
Compare all specifications:
| 1979 BMW 728 | 1999 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 728 | Sirion |
| Year Released | 1979 | 1999 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2788 cc | 1298 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 181 HP | 72 HP |
| Engine RPM | 5800 RPM | 5200 RPM |
| Torque | 240 Nm | 101 Nm |
| Torque RPM | 4200 RPM | 3600 RPM |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1470 kg | 850 kg |
| Vehicle Length | 4870 mm | 3680 mm |
| Vehicle Width | 1810 mm | 1600 mm |
| Vehicle Height | 1440 mm | 1460 mm |
| Wheelbase Size | 2800 mm | 2350 mm |
