1991 Ford Sierra vs. 2008 Ford F-450
To start off, 2008 Ford F-450 is newer by 17 year(s). Which means there will be less support and parts availability for 1991 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1991 Ford Sierra would be higher. At 6,400 cc (8 cylinders), 2008 Ford F-450 is equipped with a bigger engine. In terms of performance, 2008 Ford F-450 (350 HP @ 3000 RPM) has 276 more horse power than 1991 Ford Sierra. (74 HP @ 4900 RPM) In normal driving conditions, 2008 Ford F-450 should accelerate faster than 1991 Ford Sierra.
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, 2008 Ford F-450 (881 Nm @ 2000 RPM) has 758 more torque (in Nm) than 1991 Ford Sierra. (123 Nm @ 2900 RPM). This means 2008 Ford F-450 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1991 Ford Sierra | 2008 Ford F-450 | |
| Make | Ford | Ford |
| Model | Sierra | F-450 |
| Year Released | 1991 | 2008 |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 6400 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 74 HP | 350 HP |
| Engine RPM | 4900 RPM | 3000 RPM |
| Torque | 123 Nm | 881 Nm |
| Torque RPM | 2900 RPM | 2000 RPM |
| Fuel Type | Gasoline | Diesel |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 6 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Length | 4430 mm | 6670 mm |
| Vehicle Width | 1700 mm | 2430 mm |
| Vehicle Height | 1370 mm | 2030 mm |
| Wheelbase Size | 2620 mm | 4390 mm |
