1986 BMW 730 vs. 2008 Daihatsu Sirion
To start off, 2008 Daihatsu Sirion is newer by 22 year(s). Which means there will be less support and parts availability for 1986 BMW 730. In addition, the cost of maintenance, including insurance, on 1986 BMW 730 would be higher. At 2,986 cc (6 cylinders), 1986 BMW 730 is equipped with a bigger engine. In terms of performance, 1986 BMW 730 (197 HP @ 5800 RPM) has 128 more horse power than 2008 Daihatsu Sirion. (69 HP @ 6000 RPM). In normal driving conditions, 1986 BMW 730 should accelerate faster than 2008 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 1986 BMW 730 weights approximately 710 kg more than 2008 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 BMW 730 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 1986 BMW 730. However, in wet, icy, snow, or gravel driving conditions, 2008 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, 1986 BMW 730 (275 Nm @ 4000 RPM) has 181 more torque (in Nm) than 2008 Daihatsu Sirion. (94 Nm @ 3600 RPM). This means 1986 BMW 730 will have an easier job in driving up hills or pulling heavy equipment than 2008 Daihatsu Sirion.
Compare all specifications:
| 1986 BMW 730 | 2008 Daihatsu Sirion | |
| Make | BMW | Daihatsu |
| Model | 730 | Sirion |
| Year Released | 1986 | 2008 |
| Body Type | Sedan | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2986 cc | 998 cc |
| Engine Cylinders | 6 cylinders | 3 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 197 HP | 69 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 275 Nm | 94 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Engine Bore Size | 89 mm | 71 mm |
| Engine Stroke Size | 80 mm | 84 mm |
| Engine Compression Ratio | 9.2:1 | 10.5:1 |
| Top Speed | 225 km/hour | 160 km/hour |
| Acceleration 0-100mph | 9.3 seconds | 14.2 seconds |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1600 kg | 890 kg |
| Vehicle Length | 4920 mm | 3610 mm |
| Vehicle Width | 1850 mm | 1670 mm |
| Vehicle Height | 1420 mm | 1560 mm |
| Wheelbase Size | 2800 mm | 2440 mm |
