2007 Audi A4 vs. 1987 Ford Sierra
To start off, 2007 Audi A4 is newer by 20 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 (224 HP @ 6000 RPM) has 7 more horse power than 2007 Audi A4. (217 HP @ 5900 RPM) In normal driving conditions, 1987 Ford Sierra should accelerate faster than 2007 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A4 weights approximately 388 kg more than 1987 Ford Sierra.
Because 2007 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, 2007 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, 2007 Audi A4 (300 Nm @ 2200 RPM) has 15 more torque (in Nm) than 1987 Ford Sierra. (285 Nm @ 4500 RPM). This means 2007 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1987 Ford Sierra.
Compare all specifications:
| 2007 Audi A4 | 1987 Ford Sierra | |
| Make | Audi | Ford |
| Model | A4 | Sierra |
| Year Released | 2007 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1984 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 217 HP | 224 HP |
| Engine RPM | 5900 RPM | 6000 RPM |
| Torque | 300 Nm | 285 Nm |
| Torque RPM | 2200 RPM | 4500 RPM |
| Engine Compression Ratio | 10.5:1 | 8.0:1 |
| Top Speed | 239 km/hour | 248 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 3 doors |
| Vehicle Weight | 1595 kg | 1207 kg |
| Vehicle Length | 4550 mm | 4430 mm |
| Vehicle Width | 1780 mm | 1730 mm |
| Vehicle Height | 1400 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2540 mm |
