1999 Audi A4 vs. 1984 Ford Sierra
To start off, 1999 Audi A4 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 1,896 cc (4 cylinders), 1999 Audi A4 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (248 HP @ 4150 RPM) has 189 more horse power than 1984 Ford Sierra. (59 HP @ 5700 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 1984 Ford Sierra. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi A4 weights approximately 460 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 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, 1999 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, 1999 Audi A4 (339 Nm @ 1900 RPM) has 241 more torque (in Nm) than 1984 Ford Sierra. (98 Nm @ 3100 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1984 Ford Sierra.
Compare all specifications:
| 1999 Audi A4 | 1984 Ford Sierra | |
| Make | Audi | Ford |
| Model | A4 | Sierra |
| Year Released | 1999 | 1984 |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 1294 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 248 HP | 59 HP |
| Engine RPM | 4150 RPM | 5700 RPM |
| Torque | 339 Nm | 98 Nm |
| Torque RPM | 1900 RPM | 3100 RPM |
| Engine Bore Size | 79.5 mm | 79.1 mm |
| Engine Stroke Size | 95.5 mm | 66 mm |
| Engine Compression Ratio | 19.5:1 | 9.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1430 kg | 970 kg |
| Vehicle Length | 4480 mm | 4400 mm |
| Vehicle Width | 1740 mm | 1710 mm |
| Vehicle Height | 1420 mm | 1420 mm |
| Wheelbase Size | 2610 mm | 2610 mm |
| Fuel Tank Capacity | 60 L | 60 L |
