2003 BMW Z4 vs. 2002 Daihatsu Sirion
To start off, 2003 BMW Z4 is newer by 1 year(s). Which means there will be less support and parts availability for 2002 Daihatsu Sirion. In addition, the cost of maintenance, including insurance, on 2002 Daihatsu Sirion would be higher. At 2,999 cc (6 cylinders), 2003 BMW Z4 is equipped with a bigger engine. In terms of performance, 2003 BMW Z4 (227 HP @ 6000 RPM) has 125 more horse power than 2002 Daihatsu Sirion. (102 HP @ 7200 RPM). In normal driving conditions, 2003 BMW Z4 should accelerate faster than 2002 Daihatsu Sirion. With that said, vehicle weight also plays an important factor in acceleration. 2003 BMW Z4 weights approximately 420 kg more than 2002 Daihatsu Sirion. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2003 BMW Z4 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 2003 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2002 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, 2003 BMW Z4 (291 Nm @ 3500 RPM) has 171 more torque (in Nm) than 2002 Daihatsu Sirion. (120 Nm @ 4400 RPM). This means 2003 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2002 Daihatsu Sirion.
Compare all specifications:
2003 BMW Z4 | 2002 Daihatsu Sirion | |
Make | BMW | Daihatsu |
Model | Z4 | Sirion |
Year Released | 2003 | 2002 |
Body Type | Convertible | Hatchback |
Engine Position | Front | Front |
Engine Size | 2999 cc | 1298 cc |
Engine Cylinders | 6 cylinders | 4 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 4 valves | 4 valves |
Horse Power | 227 HP | 102 HP |
Engine RPM | 6000 RPM | 7200 RPM |
Torque | 291 Nm | 120 Nm |
Torque RPM | 3500 RPM | 4400 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Front |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Number of Doors | 2 doors | 5 doors |
Vehicle Weight | 1290 kg | 870 kg |
Vehicle Length | 4100 mm | 3680 mm |
Vehicle Width | 1790 mm | 1600 mm |
Vehicle Height | 1310 mm | 1460 mm |
Wheelbase Size | 2500 mm | 2350 mm |