1991 BMW Z1 vs. 1988 BMW M5
To start off, 1991 BMW Z1 is newer by 3 year(s). Which means there will be less support and parts availability for 1988 BMW M5. In addition, the cost of maintenance, including insurance, on 1988 BMW M5 would be higher. At 3,533 cc (6 cylinders), 1988 BMW M5 is equipped with a bigger engine. In terms of performance, 1988 BMW M5 (311 HP @ 6900 RPM) has 136 more horse power than 1991 BMW Z1. (175 HP @ 5800 RPM) In normal driving conditions, 1988 BMW M5 should accelerate faster than 1991 BMW Z1. With that said, vehicle weight also plays an important factor in acceleration. 1988 BMW M5 weights approximately 483 kg more than 1991 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, 1988 BMW M5 (360 Nm @ 4750 RPM) has 130 more torque (in Nm) than 1991 BMW Z1. (230 Nm @ 4000 RPM). This means 1988 BMW M5 will have an easier job in driving up hills or pulling heavy equipment than 1991 BMW Z1.
Compare all specifications:
1991 BMW Z1 | 1988 BMW M5 | |
Make | BMW | BMW |
Model | Z1 | M5 |
Year Released | 1991 | 1988 |
Body Type | Roadster | Sedan |
Engine Position | Front | Front |
Engine Size | 2497 cc | 3533 cc |
Engine Cylinders | 6 cylinders | 6 cylinders |
Engine Type | in-line | in-line |
Valves per Cylinder | 2 valves | 4 valves |
Horse Power | 175 HP | 311 HP |
Engine RPM | 5800 RPM | 6900 RPM |
Torque | 230 Nm | 360 Nm |
Torque RPM | 4000 RPM | 4750 RPM |
Engine Bore Size | 82 mm | 93.4 mm |
Engine Stroke Size | 78.8 mm | 86 mm |
Engine Compression Ratio | 11.0:1 | 10.0:1 |
Drive Type | Rear | Rear |
Transmission Type | Manual | Manual |
Number of Seats | 2 seats | 5 seats |
Vehicle Weight | 1250 kg | 1733 kg |
Vehicle Length | 3960 mm | 4730 mm |
Vehicle Width | 1810 mm | 1760 mm |
Vehicle Height | 1280 mm | 1400 mm |
Wheelbase Size | 2450 mm | 2770 mm |