1985 Ford Sierra vs. 1977 Holden GTS
To start off, 1985 Ford Sierra is newer by 8 year(s). Which means there will be less support and parts availability for 1977 Holden GTS. In addition, the cost of maintenance, including insurance, on 1977 Holden GTS would be higher. At 4,139 cc (8 cylinders), 1977 Holden GTS is equipped with a bigger engine. In terms of performance, 1977 Holden GTS (158 HP @ 4550 RPM) has 10 more horse power than 1985 Ford Sierra. (148 HP @ 5700 RPM) In normal driving conditions, 1977 Holden GTS should accelerate faster than 1985 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1977 Holden GTS weights approximately 270 kg more than 1985 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1977 Holden GTS (326 Nm @ 2600 RPM) has 106 more torque (in Nm) than 1985 Ford Sierra. (220 Nm @ 3800 RPM). This means 1977 Holden GTS will have an easier job in driving up hills or pulling heavy equipment than 1985 Ford Sierra.
Compare all specifications:
| 1985 Ford Sierra | 1977 Holden GTS | |
| Make | Ford | Holden |
| Model | Sierra | GTS |
| Year Released | 1985 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 2790 cc | 4139 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 158 HP |
| Engine RPM | 5700 RPM | 4550 RPM |
| Torque | 220 Nm | 326 Nm |
| Torque RPM | 3800 RPM | 2600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Vehicle Weight | 1205 kg | 1475 kg |
| Vehicle Length | 4400 mm | 4850 mm |
| Vehicle Width | 1680 mm | 1880 mm |
| Vehicle Height | 1370 mm | 1400 mm |
| Wheelbase Size | 2620 mm | 2830 mm |
