1975 Mazda RX 4 Coupe vs. 1968 Opel GT
To start off, 1975 Mazda RX 4 Coupe is newer by 7 year(s). Which means there will be less support and parts availability for 1968 Opel GT. In addition, the cost of maintenance, including insurance, on 1968 Opel GT 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 56 more horse power than 1968 Opel GT. (58 HP @ 5200 RPM). In normal driving conditions, 1975 Mazda RX 4 Coupe should accelerate faster than 1968 Opel GT. With that said, vehicle weight also plays an important factor in acceleration. 1975 Mazda RX 4 Coupe weights approximately 240 kg more than 1968 Opel GT. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1975 Mazda RX 4 Coupe (165 Nm @ 4000 RPM) has 78 more torque (in Nm) than 1968 Opel GT. (87 Nm @ 3800 RPM). This means 1975 Mazda RX 4 Coupe will have an easier job in driving up hills or pulling heavy equipment than 1968 Opel GT.
Compare all specifications:
| 1975 Mazda RX 4 Coupe | 1968 Opel GT | |
| Make | Mazda | Opel |
| Model | RX 4 Coupe | GT |
| Year Released | 1975 | 1968 |
| Engine Position | Front | Front |
| Engine Size | 2616 cc | 1078 cc |
| Engine Cylinders | 2 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 58 HP |
| Engine RPM | 6000 RPM | 5200 RPM |
| Torque | 165 Nm | 87 Nm |
| Torque RPM | 4000 RPM | 3800 RPM |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1110 kg | 870 kg |
| Vehicle Length | 4400 mm | 4120 mm |
| Vehicle Width | 1670 mm | 1590 mm |
| Vehicle Height | 1390 mm | 1230 mm |
| Wheelbase Size | 2520 mm | 2440 mm |
