2005 Audi A4 vs. 1985 Porsche 928
To start off, 2005 Audi A4 is newer by 20 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 4,664 cc (8 cylinders), 1985 Porsche 928 is equipped with a bigger engine. In terms of performance, 1985 Porsche 928 (310 HP @ 5900 RPM) has 139 more horse power than 2005 Audi A4. (171 HP @ 6200 RPM) In normal driving conditions, 1985 Porsche 928 should accelerate faster than 2005 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A4 weights approximately 106 kg more than 1985 Porsche 928.
Because 2005 Audi A4 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, 2005 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, 1985 Porsche 928 (400 Nm) has 175 more torque (in Nm) than 2005 Audi A4. (225 Nm). This means 1985 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A4.
Compare all specifications:
| 2005 Audi A4 | 1985 Porsche 928 | |
| Make | Audi | Porsche |
| Model | A4 | 928 |
| Year Released | 2005 | 1985 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 1786 cc | 4664 cc |
| Engine Cylinders | 4 cylinders | 8 cylinders |
| Engine Type | in-line | V |
| Horse Power | 171 HP | 310 HP |
| Engine RPM | 6200 RPM | 5900 RPM |
| Torque | 225 Nm | 400 Nm |
| Engine Bore Size | 81 mm | 97 mm |
| Engine Stroke Size | 86 mm | 78.9 mm |
| Engine Compression Ratio | 9.3:1 | 10.4:1 |
| Drive Type | 4WD | Rear |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1660 kg | 1554 kg |
| Vehicle Length | 4550 mm | 4450 mm |
| Vehicle Width | 1770 mm | 1840 mm |
| Vehicle Height | 1430 mm | 1290 mm |
| Wheelbase Size | 2770 mm | 2510 mm |
| Fuel Tank Capacity | 63 L | 86 L |
