2007 Daihatsu Sirion vs. 2001 BMW Z3
To start off, 2007 Daihatsu Sirion is newer by 6 year(s). Which means there will be less support and parts availability for 2001 BMW Z3. In addition, the cost of maintenance, including insurance, on 2001 BMW Z3 would be higher. At 2,979 cc (6 cylinders), 2001 BMW Z3 is equipped with a bigger engine. In terms of performance, 2001 BMW Z3 (229 HP @ 5900 RPM) has 143 more horse power than 2007 Daihatsu Sirion. (86 HP @ 6000 RPM) In normal driving conditions, 2001 BMW Z3 should accelerate faster than 2007 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2001 BMW Z3 weights approximately 505 kg more than 2007 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2001 BMW Z3 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 2001 BMW Z3. However, in wet, icy, snow, or gravel driving conditions, 2007 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, 2001 BMW Z3 (300 Nm @ 3500 RPM) has 180 more torque (in Nm) than 2007 Daihatsu Sirion. (120 Nm @ 3200 RPM). This means 2001 BMW Z3 will have an easier job in driving up hills or pulling heavy equipment than 2007 Daihatsu Sirion.
Compare all specifications:
| 2007 Daihatsu Sirion | 2001 BMW Z3 | |
| Make | Daihatsu | BMW |
| Model | Sirion | Z3 |
| Year Released | 2007 | 2001 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1298 cc | 2979 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 86 HP | 229 HP |
| Engine RPM | 6000 RPM | 5900 RPM |
| Torque | 120 Nm | 300 Nm |
| Torque RPM | 3200 RPM | 3500 RPM |
| Engine Bore Size | 72 mm | 84 mm |
| Engine Stroke Size | 79.7 mm | 89.6 mm |
| Engine Compression Ratio | 10.0:1 | 10.2:1 |
| Fuel Type | Gasoline | Gasoline |
| Top Speed | 175 km/hour | 242 km/hour |
| Acceleration 0-100mph | 9.9 seconds | 6.3 seconds |
| Drive Type | Front | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 940 kg | 1445 kg |
| Vehicle Length | 3610 mm | 4030 mm |
| Vehicle Width | 1670 mm | 1750 mm |
| Vehicle Height | 1560 mm | 1310 mm |
| Wheelbase Size | 2440 mm | 2450 mm |
| Fuel Tank Capacity | 40 L | 51 L |
