1987 Ford Sierra vs. 2009 Audi A4
To start off, 2009 Audi A4 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 2,975 cc (6 cylinders), 2009 Audi A4 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (217 HP @ 6300 RPM) has 104 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM) In normal driving conditions, 2009 Audi A4 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 520 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 A4 (300 Nm @ 3200 RPM) has 120 more torque (in Nm) than 1987 Ford Sierra. (180 Nm @ 3000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 1987 Ford Sierra | 2009 Audi A4 | |
| Make | Ford | Audi |
| Model | Sierra | A4 |
| Year Released | 1987 | 2009 |
| Engine Position | Front | Front |
| Engine Size | 2294 cc | 2975 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 113 HP | 217 HP |
| Engine RPM | 5300 RPM | 6300 RPM |
| Torque | 180 Nm | 300 Nm |
| Torque RPM | 3000 RPM | 3200 RPM |
| Engine Bore Size | 96 mm | 82.5 mm |
| Engine Stroke Size | 79.5 mm | 92.8 mm |
| Fuel Type | Gasoline | Gasoline - Premium |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1090 kg | 1610 kg |
| Vehicle Length | 4400 mm | 4550 mm |
| Vehicle Width | 1680 mm | 1780 mm |
| Vehicle Height | 1370 mm | 1430 mm |
| Wheelbase Size | 2620 mm | 2660 mm |
| Fuel Tank Capacity | 45 L | 66 L |
