2009 Audi A6 vs. 1987 Ford Sierra
To start off, 2009 Audi A6 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 (224 HP @ 6000 RPM) has 76 more horse power than 2009 Audi A6. (148 HP @ 5700 RPM) In normal driving conditions, 1987 Ford Sierra should accelerate faster than 2009 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A6 weights approximately 388 kg more than 1987 Ford Sierra.
Because 2009 Audi A6 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 A6 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, 1987 Ford Sierra (285 Nm @ 4500 RPM) has 75 more torque (in Nm) than 2009 Audi A6. (210 Nm @ 1750 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 2009 Audi A6.
Compare all specifications:
| 2009 Audi A6 | 1987 Ford Sierra | |
| Make | Audi | Ford |
| Model | A6 | Sierra |
| Year Released | 2009 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 1779 cc | 1993 cc |
| Engine Cylinders | 4 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 224 HP |
| Engine RPM | 5700 RPM | 6000 RPM |
| Torque | 210 Nm | 285 Nm |
| Torque RPM | 1750 RPM | 4500 RPM |
| Engine Bore Size | 81 mm | 90.8 mm |
| Engine Stroke Size | 86.4 mm | 77 mm |
| Engine Compression Ratio | 10.0:1 | 8.0:1 |
| Top Speed | 212 km/hour | 248 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1595 kg | 1207 kg |
| Vehicle Length | 4800 mm | 4430 mm |
| Vehicle Width | 1820 mm | 1730 mm |
| Vehicle Height | 1460 mm | 1430 mm |
| Wheelbase Size | 2770 mm | 2540 mm |
