2008 BMW Z4 vs. 2003 Scion xB
To start off, 2008 BMW Z4 is newer by 5 year(s). Which means there will be less support and parts availability for 2003 Scion xB. In addition, the cost of maintenance, including insurance, on 2003 Scion xB would be higher. At 3,246 cc (6 cylinders), 2008 BMW Z4 is equipped with a bigger engine. In terms of performance, 2008 BMW Z4 (338 HP @ 7900 RPM) has 232 more horse power than 2003 Scion xB. (106 HP @ 6000 RPM). In normal driving conditions, 2008 BMW Z4 should accelerate faster than 2003 Scion xB. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW Z4 weights approximately 385 kg more than 2003 Scion xB. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2008 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 2008 BMW Z4. However, in wet, icy, snow, or gravel driving conditions, 2003 Scion xB, 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, 2008 BMW Z4 (365 Nm @ 4900 RPM) has 223 more torque (in Nm) than 2003 Scion xB. (142 Nm @ 4200 RPM). This means 2008 BMW Z4 will have an easier job in driving up hills or pulling heavy equipment than 2003 Scion xB. 2003 Scion xB has automatic transmission and 2008 BMW Z4 has manual transmission. 2008 BMW Z4 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Scion xB will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW Z4 | 2003 Scion xB | |
| Make | BMW | Scion |
| Model | Z4 | xB |
| Year Released | 2008 | 2003 |
| Body Type | Coupe | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 3246 cc | 1489 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 338 HP | 106 HP |
| Engine RPM | 7900 RPM | 6000 RPM |
| Torque | 365 Nm | 142 Nm |
| Torque RPM | 4900 RPM | 4200 RPM |
| Engine Bore Size | 87 mm | 76 mm |
| Engine Stroke Size | 91 mm | 84 mm |
| Fuel Type | Gasoline - Premium | Gasoline |
| Drive Type | Rear | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1495 kg | 1110 kg |
| Vehicle Length | 4870 mm | 3950 mm |
| Vehicle Width | 1790 mm | 1700 mm |
| Vehicle Height | 1470 mm | 1650 mm |
| Wheelbase Size | 2500 mm | 2510 mm |
| Fuel Tank Capacity | 60 L | 45 L |
