2004 Audi A4 vs. 1984 Ford Sierra
To start off, 2004 Audi A4 is newer by 20 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 2,304 cc (4 cylinders), 1984 Ford Sierra is equipped with a bigger engine. In terms of performance, 2004 Audi A4 (187 HP @ 5100 RPM) has 121 more horse power than 1984 Ford Sierra. (66 HP @ 4200 RPM). In normal driving conditions, 2004 Audi A4 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A4 weights approximately 345 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 2004 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, 2004 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, 2004 Audi A4 (280 Nm @ 1800 RPM) has 140 more torque (in Nm) than 1984 Ford Sierra. (140 Nm @ 2000 RPM). This means 2004 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 2004 Audi A4 | 1984 Ford Sierra | |
| Make | Audi | Ford |
| Model | A4 | Sierra |
| Year Released | 2004 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 2304 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 187 HP | 66 HP |
| Engine RPM | 5100 RPM | 4200 RPM |
| Torque | 280 Nm | 140 Nm |
| Torque RPM | 1800 RPM | 2000 RPM |
| Engine Bore Size | 82.5 mm | 94 mm |
| Engine Stroke Size | 92.8 mm | 83 mm |
| Top Speed | 233 km/hour | 155 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 | 1540 kg | 1195 kg |
| Vehicle Length | 4590 mm | 4420 mm |
| Vehicle Width | 1780 mm | 1730 mm |
| Vehicle Height | 1430 mm | 1420 mm |
| Wheelbase Size | 2470 mm | 2620 mm |
| Fuel Tank Capacity | 63 L | 60 L |
