1978 Mazda RX-7 vs. 1976 Holden Sunbird
To start off, 1978 Mazda RX-7 is newer by 2 year(s). Which means there will be less support and parts availability for 1976 Holden Sunbird. In addition, the cost of maintenance, including insurance, on 1976 Holden Sunbird would be higher. At 4,143 cc (8 cylinders), 1976 Holden Sunbird is equipped with a bigger engine. In terms of performance, 1976 Holden Sunbird (173 HP @ 4800 RPM) has 68 more horse power than 1978 Mazda RX-7. (105 HP @ 6000 RPM) In normal driving conditions, 1976 Holden Sunbird should accelerate faster than 1978 Mazda RX-7. With that said, vehicle weight also plays an important factor in acceleration. 1976 Holden Sunbird weights approximately 152 kg more than 1978 Mazda RX-7. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1976 Holden Sunbird (325 Nm @ 3400 RPM) has 180 more torque (in Nm) than 1978 Mazda RX-7. (145 Nm @ 4000 RPM). This means 1976 Holden Sunbird will have an easier job in driving up hills or pulling heavy equipment than 1978 Mazda RX-7. 1976 Holden Sunbird has automatic transmission and 1978 Mazda RX-7 has manual transmission. 1978 Mazda RX-7 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1976 Holden Sunbird will be easier to drive especially in heavy traffic.
Compare all specifications:
1978 Mazda RX-7 | 1976 Holden Sunbird | |
Make | Mazda | Holden |
Model | RX-7 | Sunbird |
Year Released | 1978 | 1976 |
Engine Position | Front | Front |
Engine Size | 2292 cc | 4143 cc |
Engine Type | dual-disk rotary | in-line |
Horse Power | 105 HP | 173 HP |
Engine RPM | 6000 RPM | 4800 RPM |
Torque | 145 Nm | 325 Nm |
Torque RPM | 4000 RPM | 3400 RPM |
Fuel Type | Gasoline | Gasoline |
Drive Type | Rear | Rear |
Transmission Type | Manual | Automatic |
Vehicle Weight | 1060 kg | 1212 kg |
Vehicle Length | 4290 mm | 4500 mm |
Vehicle Width | 1680 mm | 1710 mm |
Vehicle Height | 1280 mm | 1340 mm |
Wheelbase Size | 2430 mm | 2590 mm |