2002 Holden Astra vs. 1975 Mazda RX 4 Coupe
To start off, 2002 Holden Astra is newer by 27 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, 2002 Holden Astra (120 HP @ 5600 RPM) has 6 more horse power than 1975 Mazda RX 4 Coupe. (114 HP @ 6000 RPM). In normal driving conditions, 2002 Holden Astra should accelerate faster than 1975 Mazda RX 4 Coupe. With that said, vehicle weight also plays an important factor in acceleration. 2002 Holden Astra weights approximately 40 kg more than 1975 Mazda RX 4 Coupe. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, both vehicles can yield 165 Nm of torque. So under normal driving conditions, the ability to climb up hills and pull heavy equipment should be relatively similar for both vehicles.
Compare all specifications:
| 2002 Holden Astra | 1975 Mazda RX 4 Coupe | |
| Make | Holden | Mazda |
| Model | Astra | RX 4 Coupe |
| Year Released | 2002 | 1975 |
| Engine Position | Front | Front |
| Engine Size | 1796 cc | 2616 cc |
| Engine Cylinders | 4 cylinders | 2 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 120 HP | 114 HP |
| Engine RPM | 5600 RPM | 6000 RPM |
| Torque | 165 Nm | 165 Nm |
| Torque RPM | 3600 RPM | 4000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1150 kg | 1110 kg |
| Vehicle Length | 4120 mm | 4400 mm |
| Vehicle Width | 1720 mm | 1670 mm |
| Vehicle Height | 1430 mm | 1390 mm |
| Wheelbase Size | 2610 mm | 2520 mm |
