2009 Audi A3 vs. 1987 Ford Sierra
To start off, 2009 Audi A3 is newer by 22 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 2,292 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 2009 Audi A3 (138 HP @ 4000 RPM) has 26 more horse power than 1987 Ford Sierra. (112 HP @ 5300 RPM). In normal driving conditions, 2009 Audi A3 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A3 weights approximately 370 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, 2009 Audi A3 (320 Nm @ 1750 RPM) has 140 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2009 Audi A3 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 2009 Audi A3 | 1987 Ford Sierra | |
| Make | Audi | Ford |
| Model | A3 | Sierra |
| Year Released | 2009 | 1987 |
| Body Type | Hatchback | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1968 cc | 2292 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 138 HP | 112 HP |
| Engine RPM | 4000 RPM | 5300 RPM |
| Torque | 320 Nm | 180 Nm |
| Torque RPM | 1750 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 96 mm |
| Engine Stroke Size | 95.5 mm | 79.5 mm |
| Fuel Type | Diesel | Gasoline |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1505 kg | 1135 kg |
| Vehicle Length | 4220 mm | 4500 mm |
| Vehicle Width | 1770 mm | 1680 mm |
| Vehicle Height | 1430 mm | 1400 mm |
| Wheelbase Size | 2580 mm | 2620 mm |
