2004 Ford Focus vs. 1991 Ford Sierra
To start off, 2004 Ford Focus is newer by 13 year(s). Which means there will be less support and parts availability for 1991 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1991 Ford Sierra would be higher. At 1,599 cc (4 cylinders), 2004 Ford Focus is equipped with a bigger engine. In terms of performance, 2004 Ford Focus (135 HP @ 4000 RPM) has 61 more horse power than 1991 Ford Sierra. (74 HP @ 4900 RPM). In normal driving conditions, 2004 Ford Focus should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Ford Focus weights approximately 341 kg more than 1991 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1991 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 1991 Ford Sierra. However, in wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Ford Focus (178 Nm @ 1750 RPM) has 55 more torque (in Nm) than 1991 Ford Sierra. (123 Nm @ 2900 RPM). This means 2004 Ford Focus will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 2004 Ford Focus | 1991 Ford Sierra | |
| Make | Ford | Ford |
| Model | Focus | Sierra |
| Year Released | 2004 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1599 cc | 1597 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 135 HP | 74 HP |
| Engine RPM | 4000 RPM | 4900 RPM |
| Torque | 178 Nm | 123 Nm |
| Torque RPM | 1750 RPM | 2900 RPM |
| Fuel Type | Diesel | Gasoline |
| Drive Type | Front | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 3 doors | 4 doors |
| Vehicle Weight | 1356 kg | 1015 kg |
| Vehicle Length | 4350 mm | 4430 mm |
| Vehicle Width | 1850 mm | 1700 mm |
| Vehicle Height | 1450 mm | 1370 mm |
| Wheelbase Size | 2760 mm | 2620 mm |
