1984 Ford Sierra vs. 1978 Porsche 911
To start off, 1984 Ford Sierra is newer by 6 year(s). Which means there will be less support and parts availability for 1978 Porsche 911. In addition, the cost of maintenance, including insurance, on 1978 Porsche 911 would be higher. At 2,994 cc (6 cylinders), 1978 Porsche 911 is equipped with a bigger engine. In terms of performance, 1978 Porsche 911 (185 HP @ 5500 RPM) has 71 more horse power than 1984 Ford Sierra. (114 HP @ 5300 RPM) In normal driving conditions, 1978 Porsche 911 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1978 Porsche 911 weights approximately 65 kg more than 1984 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, 1978 Porsche 911 (265 Nm @ 4100 RPM) has 89 more torque (in Nm) than 1984 Ford Sierra. (176 Nm @ 3000 RPM). This means 1978 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra. 1984 Ford Sierra has automatic transmission and 1978 Porsche 911 has manual transmission. 1978 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1984 Ford Sierra will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1984 Ford Sierra | 1978 Porsche 911 | |
| Make | Ford | Porsche |
| Model | Sierra | 911 |
| Year Released | 1984 | 1978 |
| Engine Position | Front | Rear |
| Engine Size | 2294 cc | 2994 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 114 HP | 185 HP |
| Engine RPM | 5300 RPM | 5500 RPM |
| Torque | 176 Nm | 265 Nm |
| Torque RPM | 3000 RPM | 4100 RPM |
| Engine Compression Ratio | 9.0:1 | 8.5:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 1115 kg | 1180 kg |
| Vehicle Length | 4420 mm | 4300 mm |
| Vehicle Width | 1730 mm | 1660 mm |
| Vehicle Height | 1420 mm | 1330 mm |
| Wheelbase Size | 2610 mm | 2280 mm |
| Fuel Tank Capacity | 60 L | 80 L |
