2005 Audi RS6 vs. 1987 Ford Sierra
To start off, 2005 Audi RS6 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 4,163 cc (8 cylinders), 2005 Audi RS6 is equipped with a bigger engine. In terms of performance, 2005 Audi RS6 (444 HP @ 6300 RPM) has 340 more horse power than 1987 Ford Sierra. (104 HP @ 5200 RPM). In normal driving conditions, 2005 Audi RS6 should accelerate faster than 1987 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi RS6 weights approximately 765 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.
Because 2005 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 1987 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2005 Audi RS6 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2005 Audi RS6 (560 Nm @ 1950 RPM) has 400 more torque (in Nm) than 1987 Ford Sierra. (160 Nm @ 4000 RPM). This means 2005 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 2005 Audi RS6 | 1987 Ford Sierra | |
| Make | Audi | Ford |
| Model | RS6 | Sierra |
| Year Released | 2005 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1993 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 444 HP | 104 HP |
| Engine RPM | 6300 RPM | 5200 RPM |
| Torque | 560 Nm | 160 Nm |
| Torque RPM | 1950 RPM | 4000 RPM |
| Engine Bore Size | 84.5 mm | 90.9 mm |
| Engine Stroke Size | 93 mm | 77 mm |
| Fuel Type | Gasoline | Gasoline |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1910 kg | 1145 kg |
| Vehicle Length | 4800 mm | 4430 mm |
| Vehicle Width | 1820 mm | 1700 mm |
| Vehicle Height | 1460 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
