1975 Mazda RX 4 Coupe vs. 2006 Opel Astra
To start off, 2006 Opel Astra is newer by 31 year(s). Which means there will be less support and parts availability for 1975 Mazda RX 4 Coupe. In addition, the cost of maintenance, including insurance, on 1975 Mazda RX 4 Coupe would be higher. At 2,616 cc (2 cylinders), 1975 Mazda RX 4 Coupe is equipped with a bigger engine. In terms of performance, 1975 Mazda RX 4 Coupe (114 HP @ 6000 RPM) has 25 more horse power than 2006 Opel Astra. (89 HP @ 5600 RPM). In normal driving conditions, 1975 Mazda RX 4 Coupe should accelerate faster than 2006 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Opel Astra weights approximately 120 kg more than 1975 Mazda RX 4 Coupe.
Let's talk about torque, 1975 Mazda RX 4 Coupe (165 Nm @ 4000 RPM) has 40 more torque (in Nm) than 2006 Opel Astra. (125 Nm @ 4000 RPM). This means 1975 Mazda RX 4 Coupe will have an easier job in driving up hills or pulling heavy equipment than 2006 Opel Astra.
Compare all specifications:
| 1975 Mazda RX 4 Coupe | 2006 Opel Astra | |
| Make | Mazda | Opel |
| Model | RX 4 Coupe | Astra |
| Year Released | 1975 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 1364 cc |
| Engine Cylinders | 2 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 89 HP |
| Engine RPM | 6000 RPM | 5600 RPM |
| Torque | 165 Nm | 125 Nm |
| Torque RPM | 4000 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1110 kg | 1230 kg |
| Vehicle Length | 4400 mm | 4260 mm |
| Vehicle Width | 1670 mm | 1760 mm |
| Vehicle Height | 1390 mm | 1470 mm |
| Wheelbase Size | 2520 mm | 2620 mm |
