1966 AC Cobra vs. 1987 Ford Sierra
To start off, 1987 Ford Sierra is newer by 21 year(s). Which means there will be less support and parts availability for 1966 AC Cobra. In addition, the cost of maintenance, including insurance, on 1966 AC Cobra would be higher. At 6,997 cc (8 cylinders), 1966 AC Cobra is equipped with a bigger engine. In terms of performance, 1966 AC Cobra (410 HP @ 6000 RPM) has 297 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM). In normal driving conditions, 1966 AC Cobra should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1966 AC Cobra weights approximately 57 kg more than 1987 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, 1966 AC Cobra (651 Nm @ 3700 RPM) has 471 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 1966 AC Cobra will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1966 AC Cobra | 1987 Ford Sierra | |
| Make | AC | Ford |
| Model | Cobra | Sierra |
| Year Released | 1966 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 6997 cc | 2294 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 410 HP | 113 HP |
| Engine RPM | 6000 RPM | 5300 RPM |
| Torque | 651 Nm | 180 Nm |
| Torque RPM | 3700 RPM | 3000 RPM |
| Engine Bore Size | 107.7 mm | 96 mm |
| Engine Stroke Size | 96 mm | 79.5 mm |
| Fuel Type | Gasoline | Gasoline |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1147 kg | 1090 kg |
| Vehicle Length | 3970 mm | 4400 mm |
| Vehicle Width | 1730 mm | 1680 mm |
| Vehicle Height | 1250 mm | 1370 mm |
| Wheelbase Size | 2290 mm | 2620 mm |
| Fuel Tank Capacity | 68 L | 45 L |
