2008 BMW X5 vs. 1990 BMW Z1
To start off, 2008 BMW X5 is newer by 18 year(s). Which means there will be less support and parts availability for 1990 BMW Z1. In addition, the cost of maintenance, including insurance, on 1990 BMW Z1 would be higher. At 4,398 cc, 2008 BMW X5 is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 2008 BMW X5 weights approximately 930 kg more than 1990 BMW Z1.
Because 2008 BMW X5 is four wheel drive (4WD), it will have significant more traction and grip than 1990 BMW Z1. In wet, icy, snow, or gravel driving conditions, 2008 BMW X5 will offer significantly more control. 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 X5 (440 Nm @ 5400 RPM) has 210 more torque (in Nm) than 1990 BMW Z1. (230 Nm @ 4000 RPM). This means 2008 BMW X5 will have an easier job in driving up hills or pulling heavy equipment than 1990 BMW Z1. 2008 BMW X5 has automatic transmission and 1990 BMW Z1 has manual transmission. 1990 BMW Z1 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2008 BMW X5 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 BMW X5 | 1990 BMW Z1 | |
| Make | BMW | BMW |
| Model | X5 | Z1 |
| Year Released | 2008 | 1990 |
| Body Type | SUV | Roadster |
| Engine Position | Front | Front |
| Engine Size | 4398 cc | 2494 cc |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 0 HP | 175 HP |
| Torque | 440 Nm | 230 Nm |
| Torque RPM | 5400 RPM | 4000 RPM |
| Engine Bore Size | 92.1 mm | 82 mm |
| Engine Stroke Size | 82.7 mm | 78.8 mm |
| Engine Compression Ratio | 10.0:1 | 11.0:1 |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 2180 kg | 1250 kg |
| Vehicle Length | 4670 mm | 3960 mm |
| Vehicle Width | 1880 mm | 1810 mm |
| Vehicle Height | 1710 mm | 1280 mm |
| Wheelbase Size | 2830 mm | 2450 mm |
