2008 Audi A4 vs. 1984 Ford Sierra
To start off, 2008 Audi A4 is newer by 24 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 2,792 cc (6 cylinders), 1984 Ford Sierra is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (161 HP @ 5700 RPM) has 1 more horse power than 1984 Ford Sierra. (160 HP @ 5700 RPM). In normal driving conditions, 2008 Audi A4 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A4 weights approximately 450 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 2008 Audi A4 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, 2008 Audi A4 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, 2008 Audi A4 (225 Nm @ 1950 RPM) has 9 more torque (in Nm) than 1984 Ford Sierra. (216 Nm @ 4300 RPM). This means 2008 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 2008 Audi A4 | 1984 Ford Sierra | |
| Make | Audi | Ford |
| Model | A4 | Sierra |
| Year Released | 2008 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 2792 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 161 HP | 160 HP |
| Engine RPM | 5700 RPM | 5700 RPM |
| Torque | 225 Nm | 216 Nm |
| Torque RPM | 1950 RPM | 4300 RPM |
| Engine Bore Size | 81.1 mm | 93.1 mm |
| Engine Stroke Size | 86.4 mm | 68.5 mm |
| Engine Compression Ratio | 9.0:1 | 9.2:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 5 seats |
| Vehicle Weight | 1630 kg | 1180 kg |
| Vehicle Length | 4580 mm | 4430 mm |
| Vehicle Width | 1780 mm | 1730 mm |
| Vehicle Height | 1400 mm | 1370 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
