1984 Ford Sierra vs. 1998 Porsche 911
To start off, 1998 Porsche 911 is newer by 14 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), 1998 Porsche 911 is equipped with a bigger engine. In terms of performance, 1998 Porsche 911 (443 HP @ 6000 RPM) has 368 more horse power than 1984 Ford Sierra. (75 HP @ 4800 RPM) In normal driving conditions, 1998 Porsche 911 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1998 Porsche 911 weights approximately 416 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.
Because 1998 Porsche 911 is four wheel drive (4WD), it will have significant more traction and grip than 1984 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 1998 Porsche 911 will offer significantly more control. 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, 1998 Porsche 911 (583 Nm @ 4500 RPM) has 460 more torque (in Nm) than 1984 Ford Sierra. (123 Nm @ 2900 RPM). This means 1998 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 | 1998 Porsche 911 | |
| Make | Ford | Porsche |
| Model | Sierra | 911 |
| Year Released | 1984 | 1998 |
| Engine Position | Front | Rear |
| Engine Size | 1593 cc | 3600 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | boxer |
| Horse Power | 75 HP | 443 HP |
| Engine RPM | 4800 RPM | 6000 RPM |
| Torque | 123 Nm | 583 Nm |
| Torque RPM | 2900 RPM | 4500 RPM |
| Engine Bore Size | 87.7 mm | 100 mm |
| Engine Stroke Size | 66 mm | 76.4 mm |
| Engine Compression Ratio | 9.5:1 | 8.0:1 |
| Top Speed | 166 km/hour | 296 km/hour |
| Drive Type | Rear | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1040 kg | 1456 kg |
| Vehicle Length | 4430 mm | 4270 mm |
| Vehicle Width | 1730 mm | 1800 mm |
| Vehicle Height | 1370 mm | 1270 mm |
| Wheelbase Size | 2610 mm | 2280 mm |
| Fuel Tank Capacity | 60 L | 92 L |
