2005 Audi A6 vs. 1984 Ford Sierra
To start off, 2005 Audi A6 is newer by 21 year(s). Which means there will be less support and parts availability for 1984 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1984 Ford Sierra would be higher. At 2,976 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 2005 Audi A6 (217 HP @ 3200 RPM) has 151 more horse power than 1984 Ford Sierra. (66 HP @ 4200 RPM). In normal driving conditions, 2005 Audi A6 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 340 kg more than 1984 Ford Sierra. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1984 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2005 Audi A6 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 A6 (300 Nm @ 3200 RPM) has 160 more torque (in Nm) than 1984 Ford Sierra. (140 Nm @ 2000 RPM). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 2005 Audi A6 | 1984 Ford Sierra | |
| Make | Audi | Ford |
| Model | A6 | Sierra |
| Year Released | 2005 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 2976 cc | 2304 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 217 HP | 66 HP |
| Engine RPM | 3200 RPM | 4200 RPM |
| Torque | 300 Nm | 140 Nm |
| Torque RPM | 3200 RPM | 2000 RPM |
| Engine Bore Size | 82.5 mm | 94 mm |
| Engine Stroke Size | 92.8 mm | 83 mm |
| Top Speed | 241 km/hour | 155 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1535 kg | 1195 kg |
| Vehicle Length | 4800 mm | 4420 mm |
| Vehicle Width | 1820 mm | 1730 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2660 mm | 2620 mm |
| Fuel Tank Capacity | 70 L | 60 L |
