1991 Ford Sierra vs. 1983 Holden Commodore
To start off, 1991 Ford Sierra is newer by 8 year(s). Which means there will be less support and parts availability for 1983 Holden Commodore. In addition, the cost of maintenance, including insurance, on 1983 Holden Commodore would be higher. At 1,891 cc (4 cylinders), 1983 Holden Commodore is equipped with a bigger engine. In terms of performance, 1983 Holden Commodore (78 HP @ 4600 RPM) has 4 more horse power than 1991 Ford Sierra. (74 HP @ 4900 RPM) In normal driving conditions, 1983 Holden Commodore should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1983 Holden Commodore weights approximately 145 kg more than 1991 Ford Sierra. 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, 1983 Holden Commodore (140 Nm @ 2400 RPM) has 17 more torque (in Nm) than 1991 Ford Sierra. (123 Nm @ 2900 RPM). This means 1983 Holden Commodore will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1991 Ford Sierra | 1983 Holden Commodore | |
| Make | Ford | Holden |
| Model | Sierra | Commodore |
| Year Released | 1991 | 1983 |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 1891 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 78 HP |
| Engine RPM | 4900 RPM | 4600 RPM |
| Torque | 123 Nm | 140 Nm |
| Torque RPM | 2900 RPM | 2400 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1015 kg | 1160 kg |
| Vehicle Length | 4430 mm | 4710 mm |
| Vehicle Width | 1700 mm | 1730 mm |
| Vehicle Height | 1370 mm | 1370 mm |
| Wheelbase Size | 2620 mm | 2670 mm |
