1983 Audi 80 vs. 1991 Ford Sierra
To start off, 1991 Ford Sierra is newer by 8 year(s). Which means there will be less support and parts availability for 1983 Audi 80. In addition, the cost of maintenance, including insurance, on 1983 Audi 80 would be higher. At 1,751 cc (4 cylinders), 1991 Ford Sierra is equipped with a bigger engine. In terms of performance, 1991 Ford Sierra (75 HP @ 4500 RPM) has 16 more horse power than 1983 Audi 80. (59 HP @ 5600 RPM) In normal driving conditions, 1991 Ford Sierra should accelerate faster than 1983 Audi 80. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Sierra weights approximately 215 kg more than 1983 Audi 80. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Let's talk about torque, 1991 Ford Sierra (152 Nm @ 2200 RPM) has 52 more torque (in Nm) than 1983 Audi 80. (100 Nm @ 3500 RPM). This means 1991 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 1983 Audi 80.
Compare all specifications:
| 1983 Audi 80 | 1991 Ford Sierra | |
| Make | Audi | Ford |
| Model | 80 | Sierra |
| Year Released | 1983 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1294 cc | 1751 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 59 HP | 75 HP |
| Engine RPM | 5600 RPM | 4500 RPM |
| Torque | 100 Nm | 152 Nm |
| Torque RPM | 3500 RPM | 2200 RPM |
| Engine Bore Size | 75 mm | 82.5 mm |
| Engine Stroke Size | 73.4 mm | 82 mm |
| Engine Compression Ratio | 8.2:1 | 21.5:1 |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 930 kg | 1145 kg |
| Vehicle Length | 4390 mm | 4430 mm |
| Vehicle Width | 1690 mm | 1700 mm |
| Vehicle Height | 1370 mm | 1370 mm |
| Wheelbase Size | 2550 mm | 2620 mm |
| Fuel Tank Capacity | 68 L | 60 L |
