1990 BMW Z1 vs. 2005 BMW 748
To start off, 2005 BMW 748 is newer by 15 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 4,799 cc (8 cylinders), 2005 BMW 748 is equipped with a bigger engine. In terms of performance, 2005 BMW 748 (362 HP @ 6000 RPM) has 187 more horse power than 1990 BMW Z1. (175 HP @ 5800 RPM) In normal driving conditions, 2005 BMW 748 should accelerate faster than 1990 BMW Z1. With that said, vehicle weight also plays an important factor in acceleration. 2005 BMW 748 weights approximately 660 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.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. 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, 2005 BMW 748 (500 Nm @ 3400 RPM) has 270 more torque (in Nm) than 1990 BMW Z1. (230 Nm @ 4000 RPM). This means 2005 BMW 748 will have an easier job in driving up hills or pulling heavy equipment than 1990 BMW Z1.
Compare all specifications:
| 1990 BMW Z1 | 2005 BMW 748 | |
| Make | BMW | BMW |
| Model | Z1 | 748 |
| Year Released | 1990 | 2005 |
| Body Type | Roadster | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2494 cc | 4799 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 2 valves | 4 valves |
| Horse Power | 175 HP | 362 HP |
| Engine RPM | 5800 RPM | 6000 RPM |
| Torque | 230 Nm | 500 Nm |
| Torque RPM | 4000 RPM | 3400 RPM |
| Engine Bore Size | 82 mm | 93 mm |
| Engine Stroke Size | 78.8 mm | 88.3 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 2 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1910 kg |
| Vehicle Length | 3960 mm | 5040 mm |
| Vehicle Width | 1810 mm | 1910 mm |
| Vehicle Height | 1280 mm | 1500 mm |
| Wheelbase Size | 2450 mm | 3000 mm |
