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 1,780 cc (4 cylinders), 2008 Audi A4 is equipped with a bigger engine. In terms of performance, 2008 Audi A4 (187 HP @ 5700 RPM) has 112 more horse power than 1984 Ford Sierra. (75 HP @ 5300 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 435 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 (240 Nm @ 1950 RPM) has 121 more torque (in Nm) than 1984 Ford Sierra. (119 Nm @ 2900 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 | 1780 cc | 1608 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 187 HP | 75 HP |
| Engine RPM | 5700 RPM | 5300 RPM |
| Torque | 240 Nm | 119 Nm |
| Torque RPM | 1950 RPM | 2900 RPM |
| Engine Bore Size | 81 mm | 87.8 mm |
| Engine Stroke Size | 86.4 mm | 66 mm |
| Engine Compression Ratio | 9.3:1 | 9.2:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1475 kg | 1040 kg |
| Vehicle Length | 4550 mm | 4500 mm |
| Vehicle Width | 1780 mm | 1720 mm |
| Vehicle Height | 1430 mm | 1450 mm |
| Wheelbase Size | 2660 mm | 2610 mm |
| Fuel Tank Capacity | 66 L | 60 L |
