1977 Mazda RX-4 vs. 1981 Opel Ascona
To start off, 1981 Opel Ascona is newer by 4 year(s). Which means there will be less support and parts availability for 1977 Mazda RX-4. In addition, the cost of maintenance, including insurance, on 1977 Mazda RX-4 would be higher. At 2,616 cc, 1977 Mazda RX-4 is equipped with a bigger engine. In terms of performance, both vehicles can yield 114 horse power. So under normal driving conditions, the acceleration of both vehicles should be relatively similar. With that said, vehicle weight also plays an important factor in acceleration. 1977 Mazda RX-4 weights approximately 60 kg more than 1981 Opel Ascona.
Let's talk about torque, 1977 Mazda RX-4 (165 Nm @ 4000 RPM) has 11 more torque (in Nm) than 1981 Opel Ascona. (154 Nm @ 4800 RPM). This means 1977 Mazda RX-4 will have an easier job in driving up hills or pulling heavy equipment than 1981 Opel Ascona.
Compare all specifications:
| 1977 Mazda RX-4 | 1981 Opel Ascona | |
| Make | Mazda | Opel |
| Model | RX-4 | Ascona |
| Year Released | 1977 | 1981 |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 1796 cc |
| Engine Type | dual-disk rotary | in-line |
| Horse Power | 114 HP | 114 HP |
| Engine RPM | 6000 RPM | 5800 RPM |
| Torque | 165 Nm | 154 Nm |
| Torque RPM | 4000 RPM | 4800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1110 kg | 1050 kg |
| Vehicle Length | 4400 mm | 4380 mm |
| Vehicle Width | 1670 mm | 1680 mm |
| Vehicle Height | 1390 mm | 1400 mm |
| Wheelbase Size | 2520 mm | 2580 mm |
