2006 Ford Focus vs. 1984 Ford Sierra
To start off, 2006 Ford Focus is newer by 22 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 2,522 cc (5 cylinders), 2006 Ford Focus is equipped with a bigger engine. In terms of performance, 2006 Ford Focus (223 HP @ 6000 RPM) has 148 more horse power than 1984 Ford Sierra. (75 HP @ 5300 RPM). In normal driving conditions, 2006 Ford Focus should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2006 Ford Focus weights approximately 676 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 1984 Ford Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1984 Ford Sierra. However, in wet, icy, snow, or gravel driving conditions, 2006 Ford Focus, being front wheel drive (FWD), will offer much better control with better grip. 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, 2006 Ford Focus (320 Nm @ 1600 RPM) has 201 more torque (in Nm) than 1984 Ford Sierra. (119 Nm @ 2900 RPM). This means 2006 Ford Focus will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 2006 Ford Focus | 1984 Ford Sierra | |
| Make | Ford | Ford |
| Model | Focus | Sierra |
| Year Released | 2006 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2522 cc | 1608 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 223 HP | 75 HP |
| Engine RPM | 6000 RPM | 5300 RPM |
| Torque | 320 Nm | 119 Nm |
| Torque RPM | 1600 RPM | 2900 RPM |
| Engine Bore Size | 83 mm | 87.8 mm |
| Engine Stroke Size | 93.2 mm | 66 mm |
| Engine Compression Ratio | 9.0:1 | 9.2:1 |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 5 doors |
| Vehicle Weight | 1716 kg | 1040 kg |
| Vehicle Length | 5390 mm | 4500 mm |
| Vehicle Width | 1850 mm | 1720 mm |
| Vehicle Height | 1360 mm | 1450 mm |
| Wheelbase Size | 2650 mm | 2610 mm |
| Fuel Tank Capacity | 55 L | 60 L |
