1991 Ford Sierra vs. 1978 Ford Cougar
To start off, 1991 Ford Sierra is newer by 13 year(s). Which means there will be less support and parts availability for 1978 Ford Cougar. In addition, the cost of maintenance, including insurance, on 1978 Ford Cougar would be higher. At 4,186 cc (8 cylinders), 1978 Ford Cougar is equipped with a bigger engine. With that said, vehicle weight also plays an important factor in acceleration. 1978 Ford Cougar weights approximately 465 kg more 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. 1978 Ford Cougar has automatic transmission and 1991 Ford Sierra has manual transmission. 1991 Ford Sierra will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1978 Ford Cougar will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1991 Ford Sierra | 1978 Ford Cougar | |
| Make | Ford | Ford |
| Model | Sierra | Cougar |
| Year Released | 1991 | 1978 |
| Engine Position | Front | Front |
| Engine Size | 1597 cc | 4186 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 74 HP | 0 HP |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1015 kg | 1480 kg |
| Vehicle Length | 4430 mm | 5100 mm |
| Vehicle Width | 1700 mm | 1890 mm |
| Vehicle Height | 1370 mm | 1350 mm |
| Wheelbase Size | 2620 mm | 2760 mm |
