1989 Audi 90 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 90. In addition, the cost of maintenance, including insurance, on 1989 Audi 90 would be higher. At 1,994 cc (5 cylinders), 1989 Audi 90 is equipped with a bigger engine. In terms of performance, 1989 Audi 90 (114 HP @ 5400 RPM) has 39 more horse power than 1991 Ford Sierra. (75 HP @ 4500 RPM). In normal driving conditions, 1989 Audi 90 should accelerate faster than 1991 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1991 Ford Sierra weights approximately 35 kg more than 1989 Audi 90.
Let's talk about torque, 1989 Audi 90 (172 Nm @ 4000 RPM) has 20 more torque (in Nm) than 1991 Ford Sierra. (152 Nm @ 2200 RPM). This means 1989 Audi 90 will have an easier job in driving up hills or pulling heavy equipment than 1991 Ford Sierra.
Compare all specifications:
| 1989 Audi 90 | 1991 Ford Sierra | |
| Make | Audi | Ford |
| Model | 90 | Sierra |
| Year Released | 1989 | 1991 |
| Engine Position | Front | Front |
| Engine Size | 1994 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 | 172 Nm | 152 Nm |
| Torque RPM | 4000 RPM | 2200 RPM |
| Fuel Type | Gasoline | Diesel |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1110 kg | 1145 kg |
| Vehicle Length | 4400 mm | 4430 mm |
| Vehicle Width | 1700 mm | 1700 mm |
| Vehicle Height | 1400 mm | 1370 mm |
| Wheelbase Size | 2550 mm | 2620 mm |
