1971 BMW Touring vs. 1977 Opel Monza
To start off, 1977 Opel Monza is newer by 6 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 1,979 cc (4 cylinders), 1977 Opel Monza is equipped with a bigger engine. In terms of performance, 1977 Opel Monza (115 HP @ 5600 RPM) has 30 more horse power than 1971 BMW Touring. (85 HP @ 5700 RPM) In normal driving conditions, 1977 Opel Monza should accelerate faster than 1971 BMW Touring. With that said, vehicle weight also plays an important factor in acceleration. 1971 BMW Touring weights approximately 245 kg more than 1977 Opel Monza.
Let's talk about torque, 1977 Opel Monza (161 Nm @ 4200 RPM) has 31 more torque (in Nm) than 1971 BMW Touring. (130 Nm @ 3500 RPM). This means 1977 Opel Monza will have an easier job in driving up hills or pulling heavy equipment than 1971 BMW Touring.
Compare all specifications:
| 1971 BMW Touring | 1977 Opel Monza | |
| Make | BMW | Opel |
| Model | Touring | Monza |
| Year Released | 1971 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 1573 cc | 1979 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 115 HP |
| Engine RPM | 5700 RPM | 5600 RPM |
| Torque | 130 Nm | 161 Nm |
| Torque RPM | 3500 RPM | 4200 RPM |
| Engine Bore Size | 84.1 mm | 95 mm |
| Engine Stroke Size | 71 mm | 69.8 mm |
| Number of Seats | 5 seats | 4 seats |
| Vehicle Weight | 1030 kg | 785 kg |
| Vehicle Length | 4120 mm | 4730 mm |
| Vehicle Width | 1600 mm | 1730 mm |
| Vehicle Height | 1390 mm | 1350 mm |
| Wheelbase Size | 2510 mm | 2670 mm |
