1977 Audi 100 vs. 1986 Ford Sierra
To start off, 1986 Ford Sierra is newer by 9 year(s). Which means there will be less support and parts availability for 1977 Audi 100. In addition, the cost of maintenance, including insurance, on 1977 Audi 100 would be higher. At 2,792 cc (6 cylinders), 1986 Ford Sierra is equipped with a bigger engine. In terms of performance, 1986 Ford Sierra (160 HP @ 5700 RPM) has 75 more horse power than 1977 Audi 100. (85 HP @ 5600 RPM) In normal driving conditions, 1986 Ford Sierra should accelerate faster than 1977 Audi 100. With that said, vehicle weight also plays an important factor in acceleration. 1986 Ford Sierra weights approximately 156 kg more than 1977 Audi 100. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 1986 Ford Sierra is four wheel drive (4WD), it will have significant more traction and grip than 1977 Audi 100. In wet, icy, snow, or gravel driving conditions, 1986 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, 1986 Ford Sierra (216 Nm @ 4300 RPM) has 91 more torque (in Nm) than 1977 Audi 100. (125 Nm @ 3200 RPM). This means 1986 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1977 Audi 100.
Compare all specifications:
| 1977 Audi 100 | 1986 Ford Sierra | |
| Make | Audi | Ford |
| Model | 100 | Sierra |
| Year Released | 1977 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 1588 cc | 2792 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 85 HP | 160 HP |
| Engine RPM | 5600 RPM | 5700 RPM |
| Torque | 125 Nm | 216 Nm |
| Torque RPM | 3200 RPM | 4300 RPM |
| Engine Bore Size | 79.5 mm | 93 mm |
| Engine Stroke Size | 80 mm | 68.5 mm |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1110 kg | 1266 kg |
| Vehicle Length | 4600 mm | 4430 mm |
| Vehicle Width | 1770 mm | 1730 mm |
| Wheelbase Size | 2680 mm | 2610 mm |
| Fuel Tank Capacity | 60 L | 116 L |
