1984 Ford Sierra vs. 1989 Porsche 911
To start off, 1989 Porsche 911 is newer by 5 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 3,600 cc (6 cylinders), 1989 Porsche 911 is equipped with a bigger engine. In terms of performance, 1989 Porsche 911 (247 HP @ 6100 RPM) has 172 more horse power than 1984 Ford Sierra. (75 HP @ 5300 RPM) In normal driving conditions, 1989 Porsche 911 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1989 Porsche 911 weights approximately 310 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, 1989 Porsche 911 (310 Nm @ 4800 RPM) has 191 more torque (in Nm) than 1984 Ford Sierra. (119 Nm @ 2900 RPM). This means 1989 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1984 Ford Sierra | 1989 Porsche 911 | |
| Make | Ford | Porsche |
| Model | Sierra | 911 |
| Year Released | 1984 | 1989 |
| Engine Position | Front | Rear |
| Engine Size | 1608 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 75 HP | 247 HP |
| Engine RPM | 5300 RPM | 6100 RPM |
| Torque | 119 Nm | 310 Nm |
| Torque RPM | 2900 RPM | 4800 RPM |
| Engine Bore Size | 87.8 mm | 100 mm |
| Engine Stroke Size | 66 mm | 76.4 mm |
| Engine Compression Ratio | 9.2:1 | 11.3:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1040 kg | 1350 kg |
| Vehicle Length | 4500 mm | 4300 mm |
| Vehicle Width | 1720 mm | 1660 mm |
| Vehicle Height | 1450 mm | 1330 mm |
| Wheelbase Size | 2610 mm | 2270 mm |
| Fuel Tank Capacity | 60 L | 77 L |
