1989 Audi 100 vs. 1991 Ford Sierra
To start off, 1991 Ford Sierra is newer by 2 year(s). Which means there will be less support and parts availability for 1989 Audi 100. In addition, the cost of maintenance, including insurance, on 1989 Audi 100 would be higher. At 1,992 cc (5 cylinders), 1989 Audi 100 is equipped with a bigger engine. In terms of performance, 1989 Audi 100 (114 HP @ 5400 RPM) has 39 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 1989 Audi 100 should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1989 Audi 100 weights approximately 105 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.
Let's talk about torque, 1989 Audi 100 (175 Nm @ 4000 RPM) has 23 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 1989 Audi 100 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1989 Audi 100 | 1991 Ford Sierra | |
| Make | Audi | Ford |
| Model | 100 | Sierra |
| Year Released | 1989 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1992 cc | 1751 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 75 HP |
| Engine RPM | 5400 RPM | 4500 RPM |
| Torque | 175 Nm | 152 Nm |
| Torque RPM | 4000 RPM | 2200 RPM |
| Engine Bore Size | 81 mm | 82.5 mm |
| Engine Stroke Size | 77.4 mm | 82 mm |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1250 kg | 1145 kg |
| Vehicle Length | 4800 mm | 4430 mm |
| Vehicle Width | 1820 mm | 1700 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2700 mm | 2620 mm |
