1999 Audi RS4 vs. 1987 Ford Sierra
To start off, 1999 Audi RS4 is newer by 12 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 2,671 cc (6 cylinders), 1999 Audi RS4 is equipped with a bigger engine. In terms of performance, 1999 Audi RS4 (250 HP @ 6100 RPM) has 137 more horse power than 1987 Ford Sierra. (113 HP @ 5300 RPM). In normal driving conditions, 1999 Audi RS4 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi RS4 weights approximately 530 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.
Compare all specifications:
| 1999 Audi RS4 | 1987 Ford Sierra | |
| Make | Audi | Ford |
| Model | RS4 | Sierra |
| Year Released | 1999 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 2294 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 250 HP | 113 HP |
| Engine RPM | 6100 RPM | 5300 RPM |
| Engine Bore Size | 81.1 mm | 96 mm |
| Engine Stroke Size | 86.4 mm | 79.5 mm |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1620 kg | 1090 kg |
| Vehicle Length | 4530 mm | 4400 mm |
| Vehicle Width | 1810 mm | 1680 mm |
| Vehicle Height | 1390 mm | 1370 mm |
| Wheelbase Size | 2610 mm | 2620 mm |
| Fuel Tank Capacity | 62 L | 45 L |
