1991 Ford Sierra vs. 2006 MG TF
To start off, 2006 MG TF is newer by 15 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 1,751 cc (4 cylinders), 1991 Ford Sierra is equipped with a bigger engine. In terms of performance, 2006 MG TF (114 HP @ 6250 RPM) has 39 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM) In normal driving conditions, 2006 MG TF should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 MG TF weights approximately 25 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, 1991 Ford Sierra (152 Nm @ 2200 RPM) has 7 more torque (in Nm) than 2006 MG TF. (145 Nm @ 4700 RPM). This means 1991 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 2006 MG TF.
Compare all specifications:
| 1991 Ford Sierra | 2006 MG TF | |
| Make | Ford | MG |
| Model | Sierra | TF |
| Year Released | 1991 | 2006 |
| Engine Position | Front | Middle |
| Engine Size | 1751 cc | 1588 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 75 HP | 114 HP |
| Engine RPM | 4500 RPM | 6250 RPM |
| Torque | 152 Nm | 145 Nm |
| Torque RPM | 2200 RPM | 4700 RPM |
| Engine Bore Size | 82.5 mm | 80 mm |
| Engine Stroke Size | 82 mm | 79 mm |
| Engine Compression Ratio | 21.5:1 | 10.5:1 |
| Fuel Type | Diesel | Gasoline - Premium |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1145 kg | 1170 kg |
| Vehicle Length | 4430 mm | 3950 mm |
| Vehicle Width | 1700 mm | 1630 mm |
| Vehicle Height | 1370 mm | 1270 mm |
| Wheelbase Size | 2620 mm | 2380 mm |
| Fuel Tank Capacity | 60 L | 50 L |
