1971 Ford GT 70 vs. 1977 Holden Sunbird
To start off, 1977 Holden Sunbird is newer by 6 year(s). Which means there will be less support and parts availability for 1971 Ford GT 70. In addition, the cost of maintenance, including insurance, on 1971 Ford GT 70 would be higher. At 1,897 cc (4 cylinders), 1977 Holden Sunbird is equipped with a bigger engine. In terms of performance, 1977 Holden Sunbird (96 HP @ 5200 RPM) has 11 more horse power than 1971 Ford GT 70. (85 HP @ 5500 RPM) In normal driving conditions, 1977 Holden Sunbird should accelerate faster than 1971 Ford GT 70. With that said, vehicle weight also plays an important factor in acceleration. 1977 Holden Sunbird weights approximately 395 kg more than 1971 Ford GT 70. 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, 1977 Holden Sunbird (157 Nm @ 3600 RPM) has 32 more torque (in Nm) than 1971 Ford GT 70. (125 Nm @ 4000 RPM). This means 1977 Holden Sunbird will have an easier job in driving up hills or pulling heavy equipment than 1971 Ford GT 70. 1977 Holden Sunbird has automatic transmission and 1971 Ford GT 70 has manual transmission. 1971 Ford GT 70 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1977 Holden Sunbird will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1971 Ford GT 70 | 1977 Holden Sunbird | |
| Make | Ford | Holden |
| Model | GT 70 | Sunbird |
| Year Released | 1971 | 1977 |
| Engine Position | Middle | Front |
| Engine Size | 1599 cc | 1897 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 85 HP | 96 HP |
| Engine RPM | 5500 RPM | 5200 RPM |
| Torque | 125 Nm | 157 Nm |
| Torque RPM | 4000 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Vehicle Weight | 765 kg | 1160 kg |
| Vehicle Length | 3890 mm | 4500 mm |
| Vehicle Width | 1730 mm | 1710 mm |
| Vehicle Height | 1120 mm | 1340 mm |
| Wheelbase Size | 2330 mm | 2590 mm |
