1991 BMW Z1 vs. 2006 Scion xA
To start off, 2006 Scion xA is newer by 15 year(s). Which means there will be less support and parts availability for 1991 BMW Z1. In addition, the cost of maintenance, including insurance, on 1991 BMW Z1 would be higher. At 2,497 cc (6 cylinders), 1991 BMW Z1 is equipped with a bigger engine. In terms of performance, 1991 BMW Z1 (175 HP @ 5800 RPM) has 72 more horse power than 2006 Scion xA. (103 HP @ 6000 RPM). In normal driving conditions, 1991 BMW Z1 should accelerate faster than 2006 Scion xA. With that said, vehicle weight also plays an important factor in acceleration. 1991 BMW Z1 weights approximately 164 kg more than 2006 Scion xA. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 BMW Z1 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 1991 BMW Z1. However, in wet, icy, snow, or gravel driving conditions, 2006 Scion xA, 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, 1991 BMW Z1 (230 Nm @ 4000 RPM) has 93 more torque (in Nm) than 2006 Scion xA. (137 Nm @ 4200 RPM). This means 1991 BMW Z1 will have an easier job in driving up hills or pulling heavy equipment than 2006 Scion xA.
Compare all specifications:
| 1991 BMW Z1 | 2006 Scion xA | |
| Make | BMW | Scion |
| Model | Z1 | xA |
| Year Released | 1991 | 2006 |
| Body Type | Roadster | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 2497 cc | 1489 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 175 HP | 103 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 230 Nm | 137 Nm |
| Torque RPM | 4000 RPM | 4200 RPM |
| Engine Bore Size | 82 mm | 76 mm |
| Engine Stroke Size | 78.8 mm | 84 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Front |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1086 kg |
| Vehicle Length | 3960 mm | 3920 mm |
| Vehicle Width | 1810 mm | 1700 mm |
| Vehicle Height | 1280 mm | 1540 mm |
| Wheelbase Size | 2450 mm | 2380 mm |
