1975 Mazda RX 4 Coupe vs. 2008 Opel Astra
To start off, 2008 Opel Astra is newer by 33 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 14 more horse power than 2008 Opel Astra. (100 HP @ 4400 RPM). In normal driving conditions, 1975 Mazda RX 4 Coupe should accelerate faster than 2008 Opel Astra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Opel Astra weights approximately 283 kg more than 1975 Mazda RX 4 Coupe.
Let's talk about torque, 2008 Opel Astra (240 Nm @ 2300 RPM) has 75 more torque (in Nm) than 1975 Mazda RX 4 Coupe. (165 Nm @ 4000 RPM). This means 2008 Opel Astra will have an easier job in driving up hills or pulling heavy equipment than 1975 Mazda RX 4 Coupe.
Compare all specifications:
| 1975 Mazda RX 4 Coupe | 2008 Opel Astra | |
| Make | Mazda | Opel |
| Model | RX 4 Coupe | Astra |
| Year Released | 1975 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 1686 cc |
| Engine Cylinders | 2 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 100 HP |
| Engine RPM | 6000 RPM | 4400 RPM |
| Torque | 165 Nm | 240 Nm |
| Torque RPM | 4000 RPM | 2300 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1110 kg | 1393 kg |
| Vehicle Length | 4400 mm | 4520 mm |
| Vehicle Width | 1670 mm | 1760 mm |
| Vehicle Height | 1390 mm | 1510 mm |
| Wheelbase Size | 2520 mm | 2710 mm |
