2004 Audi A6 vs. 1987 Ford Sierra
To start off, 2004 Audi A6 is newer by 17 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 2,496 cc (6 cylinders), 2004 Audi A6 is equipped with a bigger engine. In terms of performance, 1987 Ford Sierra (224 HP @ 6000 RPM) has 44 more horse power than 2004 Audi A6. (180 HP @ 6000 RPM) In normal driving conditions, 1987 Ford Sierra should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 455 kg more than 1987 Ford Sierra.
Because 1987 Ford Sierra is rear wheel drive (RWD), it offers better handling in dry conditions; in addition, if you are looking to drift, it will be much easier to do with 1987 Ford Sierra. However, in wet, icy, snow, or gravel driving conditions, 2004 Audi A6, being front wheel drive (FWD), will offer much better control with better grip. 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 50 more torque (in Nm) than 2004 Audi A6. (235 Nm @ 3000 RPM). This means 1987 Ford Sierra will have an easier job in driving up hills or pulling heavy equipment than 2004 Audi A6.
Compare all specifications:
| 2004 Audi A6 | 1987 Ford Sierra | |
| Make | Audi | Ford |
| Model | A6 | Sierra |
| Year Released | 2004 | 1987 |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 1993 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 180 HP | 224 HP |
| Engine RPM | 6000 RPM | 6000 RPM |
| Torque | 235 Nm | 285 Nm |
| Torque RPM | 3000 RPM | 4500 RPM |
| Engine Bore Size | 81 mm | 90.8 mm |
| Engine Stroke Size | 77.4 mm | 77 mm |
| Engine Compression Ratio | 10.3:1 | 8.0:1 |
| Top Speed | 221 km/hour | 248 km/hour |
| Drive Type | Front | Rear |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 3 doors |
| Vehicle Weight | 1662 kg | 1207 kg |
| Vehicle Length | 4940 mm | 4430 mm |
| Vehicle Width | 1860 mm | 1730 mm |
| Vehicle Height | 1470 mm | 1430 mm |
| Wheelbase Size | 2660 mm | 2540 mm |
