1991 Ford Sierra vs. 1986 Holden Commodore
To start off, 1991 Ford Sierra is newer by 5 year(s). Which means there will be less support and parts availability for 1986 Holden Commodore. In addition, the cost of maintenance, including insurance, on 1986 Holden Commodore would be higher. At 2,962 cc (6 cylinders), 1986 Holden Commodore is equipped with a bigger engine. In terms of performance, 1986 Holden Commodore (201 HP @ 5600 RPM) has 126 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 1986 Holden Commodore should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1986 Holden Commodore weights approximately 90 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.
Let's talk about torque, 1986 Holden Commodore (296 Nm @ 3200 RPM) has 144 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 1986 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 | 1986 Holden Commodore | |
| Make | Ford | Holden |
| Model | Sierra | Commodore |
| Year Released | 1991 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1751 cc | 2962 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 201 HP |
| Engine RPM | 4500 RPM | 5600 RPM |
| Torque | 152 Nm | 296 Nm |
| Torque RPM | 2200 RPM | 3200 RPM |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1145 kg | 1235 kg |
| Vehicle Length | 4430 mm | 4770 mm |
| Vehicle Width | 1700 mm | 1730 mm |
| Vehicle Height | 1370 mm | 1380 mm |
| Wheelbase Size | 2620 mm | 2670 mm |
