2005 Audi A4 vs. 1987 Ford Sierra
To start off, 2005 Audi A4 is newer by 18 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), 2005 Audi A4 is equipped with a bigger engine. In terms of performance, 2005 Audi A4 (177 HP @ 1500 RPM) has 65 more horse power than 1987 Ford Sierra. (112 HP @ 5300 RPM). In normal driving conditions, 2005 Audi A4 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 455 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, 2005 Audi A4 (370 Nm @ 1500 RPM) has 190 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2005 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 2005 Audi A4 | 1987 Ford Sierra | |
| Make | Audi | Ford |
| Model | A4 | Sierra |
| Year Released | 2005 | 1987 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2393 cc | 2292 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 177 HP | 112 HP |
| Engine RPM | 1500 RPM | 5300 RPM |
| Torque | 370 Nm | 180 Nm |
| Torque RPM | 1500 RPM | 3000 RPM |
| Engine Bore Size | 78.3 mm | 96 mm |
| Engine Stroke Size | 86.4 mm | 79.5 mm |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1590 kg | 1135 kg |
| Vehicle Length | 4550 mm | 4500 mm |
| Vehicle Width | 1770 mm | 1680 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2580 mm | 2620 mm |
