1989 Ford Sierra vs. 1977 Audi Fox
To start off, 1989 Ford Sierra is newer by 12 year(s). Which means there will be less support and parts availability for 1977 Audi Fox. In addition, the cost of maintenance, including insurance, on 1977 Audi Fox would be higher. At 2,933 cc (6 cylinders), 1989 Ford Sierra is equipped with a bigger engine. In terms of performance, 1989 Ford Sierra (148 HP @ 5700 RPM) has 73 more horse power than 1977 Audi Fox. (75 HP @ 5500 RPM). In normal driving conditions, 1989 Ford Sierra should accelerate faster than 1977 Audi Fox. With that said, vehicle weight also plays an important factor in acceleration. 1989 Ford Sierra weights approximately 383 kg more than 1977 Audi Fox. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1989 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1977 Audi Fox. In wet, icy, snow, or gravel driving conditions, 1989 Ford Sierra 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, 1989 Ford Sierra (238 Nm @ 3000 RPM) has 126 more torque (in Nm) than 1977 Audi Fox. (112 Nm @ 3200 RPM). This means 1989 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1977 Audi Fox.
Compare all specifications:
| 1989 Ford Sierra | 1977 Audi Fox | |
| Make | Ford | Audi |
| Model | Sierra | Fox |
| Year Released | 1989 | 1977 |
| Engine Position | Front | Front |
| Engine Size | 2933 cc | 1588 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 75 HP |
| Engine RPM | 5700 RPM | 5500 RPM |
| Torque | 238 Nm | 112 Nm |
| Torque RPM | 3000 RPM | 3200 RPM |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1295 kg | 912 kg |
| Vehicle Length | 4430 mm | 4390 mm |
| Vehicle Width | 1700 mm | 1690 mm |
| Vehicle Height | 1370 mm | 1370 mm |
| Wheelbase Size | 2610 mm | 2550 mm |
| Fuel Tank Capacity | 55 L | 60 L |
