2009 Audi A4 vs. 1987 Ford Sierra
To start off, 2009 Audi A4 is newer by 22 year(s). Which means there will be less support and parts availability for 1987 Ford Sierra. In addition, the cost of maintenance, including insurance, on 1987 Ford Sierra would be higher. At 1,993 cc (4 cylinders), 1987 Ford Sierra is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (204 HP @ 6250 RPM) has 90 more horse power than 2009 Audi A4. (114 HP @ 4000 RPM) In normal driving conditions, 1987 Ford Sierra should accelerate faster than 2009 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 180 kg more than 1987 Ford Sierra.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1987 Ford Sierra. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A4 (285 Nm @ 1900 RPM) has 8 more torque (in Nm) than 1987 Ford Sierra. (277 Nm @ 4500 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 2009 Audi A4 | 1987 Ford Sierra | |
| Make | Audi | Ford |
| Model | A4 | Sierra |
| Year Released | 2009 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 114 HP | 204 HP |
| Engine RPM | 4000 RPM | 6250 RPM |
| Torque | 285 Nm | 277 Nm |
| Torque RPM | 1900 RPM | 4500 RPM |
| Engine Bore Size | 79.6 mm | 90.8 mm |
| Engine Stroke Size | 95.5 mm | 77 mm |
| Engine Compression Ratio | 19.0:1 | 8.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 4 doors |
| Vehicle Weight | 1430 kg | 1250 kg |
| Vehicle Length | 4550 mm | 4470 mm |
| Vehicle Width | 1780 mm | 1710 mm |
| Vehicle Height | 1430 mm | 1380 mm |
| Wheelbase Size | 2660 mm | 2500 mm |
