2009 Ford F-350 vs. 1991 Ford Sierra
To start off, 2009 Ford F-350 is newer by 18 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 5,400 cc (8 cylinders), 2009 Ford F-350 is equipped with a bigger engine. In terms of performance, 2009 Ford F-350 (301 HP @ 5000 RPM) has 226 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 2009 Ford F-350 should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Sierra weights approximately 179 kg more than 2009 Ford F-350.
Let's talk about torque, 2009 Ford F-350 (495 Nm @ 3750 RPM) has 343 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 2009 Ford F-350 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 2009 Ford F-350 | 1991 Ford Sierra | |
| Make | Ford | Ford |
| Model | F-350 | Sierra |
| Year Released | 2009 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 5400 cc | 1751 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 301 HP | 75 HP |
| Engine RPM | 5000 RPM | 4500 RPM |
| Torque | 495 Nm | 152 Nm |
| Torque RPM | 3750 RPM | 2200 RPM |
| Engine Compression Ratio | 9.4:1 | 21.5:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 6 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 966 kg | 1145 kg |
| Vehicle Length | 5890 mm | 4430 mm |
| Vehicle Width | 2040 mm | 1700 mm |
| Vehicle Height | 2050 mm | 1370 mm |
| Wheelbase Size | 3610 mm | 2620 mm |
| Fuel Tank Capacity | 115 L | 60 L |
