1991 Audi S2 vs. 1986 Ford Sierra
To start off, 1991 Audi S2 is newer by 5 year(s). Which means there will be less support and parts availability for 1986 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1986 Ford Sierra would be higher. At 2,792 cc (6 cylinders), 1986 Ford Sierra is equipped with a bigger engine. In terms of performance, 1991 Audi S2 (216 HP @ 5900 RPM) has 56 more horse power than 1986 Ford Sierra. (160 HP @ 5700 RPM). In normal driving conditions, 1991 Audi S2 should accelerate faster than 1986 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Audi S2 weights approximately 154 kg more than 1986 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 1991 Audi S2 (309 Nm @ 1950 RPM) has 93 more torque (in Nm) than 1986 Ford Sierra. (216 Nm @ 4300 RPM). This means 1991 Audi S2 will have an easier job in driving up hills or pulling heavy equipment than 1986 Ford Sierra.
Compare all specifications:
| 1991 Audi S2 | 1986 Ford Sierra | |
| Make | Audi | Ford |
| Model | S2 | Sierra |
| Year Released | 1991 | 1986 |
| Engine Position | Front | Front |
| Engine Size | 2226 cc | 2792 cc |
| Engine Cylinders | 5 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 216 HP | 160 HP |
| Engine RPM | 5900 RPM | 5700 RPM |
| Torque | 309 Nm | 216 Nm |
| Torque RPM | 1950 RPM | 4300 RPM |
| Engine Bore Size | 81.1 mm | 93 mm |
| Engine Stroke Size | 86.4 mm | 68.5 mm |
| Engine Compression Ratio | 9.3:1 | 9.2:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Number of Doors | 2 doors | 3 doors |
| Vehicle Weight | 1420 kg | 1266 kg |
| Vehicle Length | 4410 mm | 4430 mm |
| Vehicle Width | 1720 mm | 1730 mm |
| Wheelbase Size | 2560 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 116 L |
