2004 Audi RS6 vs. 1989 Ford Sierra
To start off, 2004 Audi RS6 is newer by 15 year(s). Which means there will be less support and parts availability for 1989 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1989 Ford Sierra would be higher. At 4,163 cc (8 cylinders), 2004 Audi RS6 is equipped with a bigger engine. In terms of performance, 2004 Audi RS6 (444 HP @ 6300 RPM) has 319 more horse power than 1989 Ford Sierra. (125 HP @ 5600 RPM). In normal driving conditions, 2004 Audi RS6 should accelerate faster than 1989 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi RS6 weights approximately 782 kg more than 1989 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2004 Audi RS6 is four wheel drive (4WD), it will have significant more traction and grip than 1989 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi RS6 (560 Nm @ 1950 RPM) has 386 more torque (in Nm) than 1989 Ford Sierra. (174 Nm @ 2500 RPM). This means 2004 Audi RS6 will have an easier job in driving up hills or pulling heavy equipment than 1989 Ford Sierra.
Compare all specifications:
| 2004 Audi RS6 | 1989 Ford Sierra | |
| Make | Audi | Ford |
| Model | RS6 | Sierra |
| Year Released | 2004 | 1989 |
| Engine Position | Front | Front |
| Engine Size | 4163 cc | 1998 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 444 HP | 125 HP |
| Engine RPM | 6300 RPM | 5600 RPM |
| Torque | 560 Nm | 174 Nm |
| Torque RPM | 1950 RPM | 2500 RPM |
| Engine Bore Size | 84.5 mm | 86 mm |
| Engine Stroke Size | 93 mm | 86 mm |
| Engine Compression Ratio | 9.3:1 | 10.3:1 |
| Top Speed | 250 km/hour | 195 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1910 kg | 1128 kg |
| Vehicle Length | 4860 mm | 4430 mm |
| Vehicle Width | 1860 mm | 1700 mm |
| Vehicle Height | 1400 mm | 1380 mm |
| Wheelbase Size | 2770 mm | 2530 mm |
| Fuel Tank Capacity | 82 L | 60 L |
