1999 Audi S8 vs. 1984 Ford Sierra
To start off, 1999 Audi S8 is newer by 15 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 4,172 cc (8 cylinders), 1999 Audi S8 is equipped with a bigger engine. In terms of performance, 1999 Audi S8 (335 HP @ 7000 RPM) has 246 more horse power than 1984 Ford Sierra. (89 HP @ 5400 RPM). In normal driving conditions, 1999 Audi S8 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi S8 weights approximately 720 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 1999 Audi S8 is all wheel drive (AWD), it will have significant more traction and grip than 1984 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 1999 Audi S8 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, 1999 Audi S8 (331 Nm @ 3400 RPM) has 187 more torque (in Nm) than 1984 Ford Sierra. (144 Nm @ 3500 RPM). This means 1999 Audi S8 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1999 Audi S8 | 1984 Ford Sierra | |
| Make | Audi | Ford |
| Model | S8 | Sierra |
| Year Released | 1999 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 1769 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 335 HP | 89 HP |
| Engine RPM | 7000 RPM | 5400 RPM |
| Torque | 331 Nm | 144 Nm |
| Torque RPM | 3400 RPM | 3500 RPM |
| Drive Type | AWD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Vehicle Weight | 1730 kg | 1010 kg |
| Vehicle Length | 5040 mm | 4400 mm |
| Vehicle Width | 1890 mm | 1680 mm |
| Vehicle Height | 1420 mm | 1370 mm |
| Wheelbase Size | 2890 mm | 2620 mm |
