2001 Audi A4 vs. 1987 Ford Sierra
To start off, 2001 Audi A4 is newer by 14 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 2,393 cc (6 cylinders), 2001 Audi A4 is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (113 HP @ 5300 RPM) has 24 more horse power than 2001 Audi A4. (89 HP @ 6000 RPM) In normal driving conditions, 1987 Ford Sierra should accelerate faster than 2001 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi A4 weights approximately 446 kg more than 1987 Ford Sierra.
Let's talk about torque, 2001 Audi A4 (225 Nm @ 3200 RPM) has 45 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2001 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 2001 Audi A4 | 1987 Ford Sierra | |
| Make | Audi | Ford |
| Model | A4 | Sierra |
| Year Released | 2001 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 2294 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 89 HP | 113 HP |
| Engine RPM | 6000 RPM | 5300 RPM |
| Torque | 225 Nm | 180 Nm |
| Torque RPM | 3200 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 96 mm |
| Engine Stroke Size | 77.4 mm | 79.5 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1536 kg | 1090 kg |
| Vehicle Length | 4550 mm | 4400 mm |
| Vehicle Width | 1770 mm | 1680 mm |
| Vehicle Height | 1430 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
| Fuel Tank Capacity | 70 L | 45 L |
