1984 Ford Sierra vs. 1981 Porsche 930
To start off, 1984 Ford Sierra is newer by 3 year(s). Which means there will be less support and parts availability for 1981 Porsche 930. In addition, the cost of maintenance, including insurance, on 1981 Porsche 930 would be higher. At 3,297 cc (6 cylinders), 1981 Porsche 930 is equipped with a bigger engine. In terms of performance, 1981 Porsche 930 (296 HP @ 5500 RPM) has 237 more horse power than 1984 Ford Sierra. (59 HP @ 5700 RPM) In normal driving conditions, 1981 Porsche 930 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1981 Porsche 930 weights approximately 330 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, 1981 Porsche 930 (431 Nm @ 4000 RPM) has 333 more torque (in Nm) than 1984 Ford Sierra. (98 Nm @ 3100 RPM). This means 1981 Porsche 930 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 1981 Porsche 930 | |
| Make | Ford | Porsche |
| Model | Sierra | 930 |
| Year Released | 1984 | 1981 |
| Engine Position | Front | Rear |
| Engine Size | 1294 cc | 3297 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 59 HP | 296 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 98 Nm | 431 Nm |
| Torque RPM | 3100 RPM | 4000 RPM |
| Engine Bore Size | 79.1 mm | 97 mm |
| Engine Stroke Size | 66 mm | 74.4 mm |
| Engine Compression Ratio | 9.0:1 | 7.0:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Doors | 3 doors | 2 doors |
| Vehicle Weight | 970 kg | 1300 kg |
| Vehicle Length | 4400 mm | 4300 mm |
| Vehicle Width | 1710 mm | 1780 mm |
| Vehicle Height | 1420 mm | 1320 mm |
| Wheelbase Size | 2610 mm | 2510 mm |
