1971 BMW Touring vs. 1989 BMW Z1
To start off, 1989 BMW Z1 is newer by 18 year(s). Which means there will be less support and parts availability for 1971 BMW Touring. In addition, the cost of maintenance, including insurance, on 1971 BMW Touring would be higher. At 2,494 cc (6 cylinders), 1989 BMW Z1 is equipped with a bigger engine. In terms of performance, 1989 BMW Z1 (175 HP @ 5800 RPM) has 90 more horse power than 1971 BMW Touring. (85 HP @ 5700 RPM) In normal driving conditions, 1989 BMW Z1 should accelerate faster than 1971 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 1989 BMW Z1 weights approximately 220 kg more than 1971 BMW Touring. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1989 BMW Z1 (231 Nm @ 4000 RPM) has 101 more torque (in Nm) than 1971 BMW Touring. (130 Nm @ 3500 RPM). This means 1989 BMW Z1 will have an easier job in driving up hills or pulling heavy equipment than 1971 BMW Touring.
Compare all specifications:
| 1971 BMW Touring | 1989 BMW Z1 | |
| Make | BMW | BMW |
| Model | Touring | Z1 |
| Year Released | 1971 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 2494 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Valves per Cylinder | 2 valves | 2 valves |
| Horse Power | 85 HP | 175 HP |
| Engine RPM | 5700 RPM | 5800 RPM |
| Torque | 130 Nm | 231 Nm |
| Torque RPM | 3500 RPM | 4000 RPM |
| Engine Bore Size | 84.1 mm | 82 mm |
| Engine Stroke Size | 71 mm | 78.8 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1030 kg | 1250 kg |
| Vehicle Length | 4120 mm | 3960 mm |
| Vehicle Width | 1600 mm | 1810 mm |
| Vehicle Height | 1390 mm | 1280 mm |
| Wheelbase Size | 2510 mm | 2450 mm |
