1991 Ford Sierra vs. 2006 Morgan Aero
To start off, 2006 Morgan Aero 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 4,392 cc (8 cylinders), 2006 Morgan Aero is equipped with a bigger engine. In terms of performance, 2006 Morgan Aero (325 HP @ 6100 RPM) has 251 more horse power than 1991 Ford Sierra. (74 HP @ 4900 RPM) In normal driving conditions, 2006 Morgan Aero should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Morgan Aero weights approximately 95 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.
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, 2006 Morgan Aero (448 Nm @ 3600 RPM) has 325 more torque (in Nm) than 1991 Ford Sierra. (123 Nm @ 2900 RPM). This means 2006 Morgan Aero will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1991 Ford Sierra | 2006 Morgan Aero | |
| Make | Ford | Morgan |
| Model | Sierra | Aero |
| Year Released | 1991 | 2006 |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 4392 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 74 HP | 325 HP |
| Engine RPM | 4900 RPM | 6100 RPM |
| Torque | 123 Nm | 448 Nm |
| Torque RPM | 2900 RPM | 3600 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1015 kg | 1110 kg |
| Vehicle Length | 4430 mm | 4130 mm |
| Vehicle Width | 1700 mm | 1780 mm |
| Vehicle Height | 1370 mm | 1210 mm |
| Wheelbase Size | 2620 mm | 2540 mm |
