1990 BMW Z1 vs. 2010 BMW X6
To start off, 2010 BMW X6 is newer by 20 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 4,400 cc (8 cylinders), 2010 BMW X6 is equipped with a bigger engine. In terms of performance, 2010 BMW X6 (400 HP @ 5500 RPM) has 225 more horse power than 1990 BMW Z1. (175 HP @ 5800 RPM) In normal driving conditions, 2010 BMW X6 should accelerate faster than 1990 BMW Z1. With that said, vehicle weight also plays an important factor in acceleration. 2010 BMW X6 weights approximately 1140 kg more than 1990 BMW Z1. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2010 BMW X6 is all wheel drive (AWD), it will have significant more traction and grip than 1990 BMW Z1. In wet, icy, snow, or gravel driving conditions, 2010 BMW X6 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, 2010 BMW X6 (609 Nm @ 1750 RPM) has 379 more torque (in Nm) than 1990 BMW Z1. (230 Nm @ 4000 RPM). This means 2010 BMW X6 will have an easier job in driving up hills or pulling heavy equipment than 1990 BMW Z1. 2010 BMW X6 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. 2010 BMW X6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1990 BMW Z1 | 2010 BMW X6 | |
| Make | BMW | BMW |
| Model | Z1 | X6 |
| Year Released | 1990 | 2010 |
| Body Type | Roadster | SUV |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 4400 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 175 HP | 400 HP |
| Engine RPM | 5800 RPM | 5500 RPM |
| Torque | 230 Nm | 609 Nm |
| Torque RPM | 4000 RPM | 1750 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | AWD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 2 seats | 4 seats |
| Vehicle Weight | 1250 kg | 2390 kg |
| Vehicle Length | 3960 mm | 4879 mm |
| Vehicle Width | 1810 mm | 1984 mm |
| Vehicle Height | 1280 mm | 1689 mm |
| Wheelbase Size | 2450 mm | 2934 mm |
