1984 Ford Sierra vs. 2005 Porsche 911
To start off, 2005 Porsche 911 is newer by 21 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), 2005 Porsche 911 is equipped with a bigger engine. In terms of performance, 2005 Porsche 911 (377 HP @ 7400 RPM) has 217 more horse power than 1984 Ford Sierra. (160 HP @ 5700 RPM) In normal driving conditions, 2005 Porsche 911 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Porsche 911 weights approximately 275 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, 2005 Porsche 911 (385 Nm @ 5000 RPM) has 169 more torque (in Nm) than 1984 Ford Sierra. (216 Nm @ 4300 RPM). This means 2005 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 | 2005 Porsche 911 | |
| Make | Ford | Porsche |
| Model | Sierra | 911 |
| Year Released | 1984 | 2005 |
| Engine Position | Front | Rear |
| Engine Size | 2792 cc | 3600 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Horse Power | 160 HP | 377 HP |
| Engine RPM | 5700 RPM | 7400 RPM |
| Torque | 216 Nm | 385 Nm |
| Torque RPM | 4300 RPM | 5000 RPM |
| Engine Bore Size | 93.1 mm | 100 mm |
| Engine Stroke Size | 68.5 mm | 76.4 mm |
| Engine Compression Ratio | 9.2:1 | 11.7:1 |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 2 seats |
| Vehicle Weight | 1180 kg | 1455 kg |
| Vehicle Length | 4430 mm | 4440 mm |
| Vehicle Width | 1730 mm | 1780 mm |
| Vehicle Height | 1370 mm | 1280 mm |
| Wheelbase Size | 2610 mm | 2360 mm |
