1989 Audi 90 vs. 1987 Ford Sierra
To start off, 1989 Audi 90 is newer by 2 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 2,308 cc (5 cylinders), 1989 Audi 90 is equipped with a bigger engine. In terms of performance, 1989 Audi 90 (136 HP @ 5500 RPM) has 23 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM). In normal driving conditions, 1989 Audi 90 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1989 Audi 90 weights approximately 187 kg more than 1987 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 90 (188 Nm @ 3000 RPM) has 8 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 1989 Audi 90 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1989 Audi 90 | 1987 Ford Sierra | |
| Make | Audi | Ford |
| Model | 90 | Sierra |
| Year Released | 1989 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2308 cc | 2294 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 136 HP | 113 HP |
| Engine RPM | 5500 RPM | 5300 RPM |
| Torque | 188 Nm | 180 Nm |
| Torque RPM | 3000 RPM | 3000 RPM |
| Engine Bore Size | 82.5 mm | 96 mm |
| Engine Stroke Size | 86.4 mm | 79.5 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1277 kg | 1090 kg |
| Vehicle Length | 4400 mm | 4400 mm |
| Vehicle Width | 1700 mm | 1680 mm |
| Vehicle Height | 1400 mm | 1370 mm |
| Wheelbase Size | 2540 mm | 2620 mm |
