1989 Ford Sierra vs. 1973 Vauxhall Firenza
To start off, 1989 Ford Sierra is newer by 16 year(s). Which means there will be less support and parts availability for 1973 Vauxhall Firenza. In addition, the cost of maintenance, including insurance, on 1973 Vauxhall Firenza would be higher. At 1,759 cc (4 cylinders), 1973 Vauxhall Firenza is equipped with a bigger engine. In terms of performance, 1973 Vauxhall Firenza (77 HP @ 5200 RPM) has 3 more horse power than 1989 Ford Sierra. (74 HP @ 4900 RPM) In normal driving conditions, 1973 Vauxhall Firenza should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1989 Ford Sierra weights approximately 75 kg more than 1973 Vauxhall Firenza.
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, 1973 Vauxhall Firenza (134 Nm @ 3000 RPM) has 11 more torque (in Nm) than 1989 Ford Sierra. (123 Nm @ 2900 RPM). This means 1973 Vauxhall Firenza will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra.
Compare all specifications:
| 1989 Ford Sierra | 1973 Vauxhall Firenza | |
| Make | Ford | Vauxhall |
| Model | Sierra | Firenza |
| Year Released | 1989 | 1973 |
| Engine Position | Front | Front |
| Engine Size | 1598 cc | 1759 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 77 HP |
| Engine RPM | 4900 RPM | 5200 RPM |
| Torque | 123 Nm | 134 Nm |
| Torque RPM | 2900 RPM | 3000 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1015 kg | 940 kg |
| Vehicle Length | 4430 mm | 4150 mm |
| Vehicle Width | 1700 mm | 1650 mm |
| Vehicle Height | 1370 mm | 1340 mm |
| Wheelbase Size | 2620 mm | 2470 mm |
