1961 AC Cobra vs. 1991 Ford Sierra
To start off, 1991 Ford Sierra is newer by 30 year(s). Which means there will be less support and parts availability for 1961 AC Cobra. In addition, the cost of maintenance, including insurance, on 1961 AC Cobra would be higher. At 4,265 cc (8 cylinders), 1961 AC Cobra is equipped with a bigger engine. In terms of performance, 1961 AC Cobra (256 HP @ 5800 RPM) has 182 more horse power than 1991 Ford Sierra. (74 HP @ 4900 RPM). In normal driving conditions, 1961 AC Cobra should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Sierra weights approximately 35 kg more than 1961 AC Cobra.
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, 1961 AC Cobra (365 Nm @ 4800 RPM) has 242 more torque (in Nm) than 1991 Ford Sierra. (123 Nm @ 2900 RPM). This means 1961 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1961 AC Cobra | 1991 Ford Sierra | |
| Make | AC | Ford |
| Model | Cobra | Sierra |
| Year Released | 1961 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 4265 cc | 1597 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 256 HP | 74 HP |
| Engine RPM | 5800 RPM | 4900 RPM |
| Torque | 365 Nm | 123 Nm |
| Torque RPM | 4800 RPM | 2900 RPM |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 4 doors |
| Vehicle Weight | 980 kg | 1015 kg |
| Vehicle Length | 3850 mm | 4430 mm |
| Vehicle Width | 1560 mm | 1700 mm |
| Vehicle Height | 1250 mm | 1370 mm |
| Wheelbase Size | 2290 mm | 2620 mm |
