2004 Audi A6 vs. 1985 Porsche 928
To start off, 2004 Audi A6 is newer by 19 year(s). Which means there will be less support and parts availability for 1985 Porsche 928. In addition, the cost of maintenance, including insurance, on 1985 Porsche 928 would be higher. At 4,662 cc (8 cylinders), 1985 Porsche 928 is equipped with a bigger engine. In terms of performance, 1985 Porsche 928 (310 HP @ 5900 RPM) has 89 more horse power than 2004 Audi A6. (221 HP @ 4000 RPM) In normal driving conditions, 1985 Porsche 928 should accelerate faster than 2004 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2004 Audi A6 weights approximately 415 kg more than 1985 Porsche 928.
Because 2004 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1985 Porsche 928. In wet, icy, snow, or gravel driving conditions, 2004 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, 2004 Audi A6 (430 Nm @ 1400 RPM) has 30 more torque (in Nm) than 1985 Porsche 928. (400 Nm @ 4500 RPM). This means 2004 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1985 Porsche 928.
Compare all specifications:
| 2004 Audi A6 | 1985 Porsche 928 | |
| Make | Audi | Porsche |
| Model | A6 | 928 |
| Year Released | 2004 | 1985 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2974 cc | 4662 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 221 HP | 310 HP |
| Engine RPM | 4000 RPM | 5900 RPM |
| Torque | 430 Nm | 400 Nm |
| Torque RPM | 1400 RPM | 4500 RPM |
| Engine Bore Size | 83 mm | 97 mm |
| Engine Stroke Size | 91.4 mm | 78.9 mm |
| Engine Compression Ratio | 17.0:1 | 10.4:1 |
| Top Speed | 243 km/hour | 249 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Automatic |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1765 kg | 1350 kg |
| Vehicle Length | 4920 mm | 4450 mm |
| Vehicle Width | 1860 mm | 1840 mm |
| Vehicle Height | 1460 mm | 1290 mm |
| Wheelbase Size | 2850 mm | 2510 mm |
