2009 Audi A4 vs. 1986 Porsche 928
To start off, 2009 Audi A4 is newer by 23 year(s). Which means there will be less support and parts availability for 1986 Porsche 928. In addition, the cost of maintenance, including insurance, on 1986 Porsche 928 would be higher. At 4,957 cc (8 cylinders), 1986 Porsche 928 is equipped with a bigger engine. In terms of performance, 2009 Audi A4 (328 HP @ 5500 RPM) has 7 more horse power than 1986 Porsche 928. (321 HP @ 6000 RPM). In normal driving conditions, 2009 Audi A4 should accelerate faster than 1986 Porsche 928. With that said, vehicle weight also plays an important factor in acceleration. 2009 Audi A4 weights approximately 100 kg more than 1986 Porsche 928. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2009 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 1986 Porsche 928. In wet, icy, snow, or gravel driving conditions, 2009 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, 2009 Audi A4 (440 Nm @ 2900 RPM) has 10 more torque (in Nm) than 1986 Porsche 928. (430 Nm @ 3000 RPM). This means 2009 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 1986 Porsche 928.
Compare all specifications:
| 2009 Audi A4 | 1986 Porsche 928 | |
| Make | Audi | Porsche |
| Model | A4 | 928 |
| Year Released | 2009 | 1986 |
| Body Type | Sedan | Coupe |
| Engine Position | Front | Front |
| Engine Size | 2995 cc | 4957 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 328 HP | 321 HP |
| Engine RPM | 5500 RPM | 6000 RPM |
| Torque | 440 Nm | 430 Nm |
| Torque RPM | 2900 RPM | 3000 RPM |
| Engine Bore Size | 84.6 mm | 100 mm |
| Engine Stroke Size | 89 mm | 78.9 mm |
| Engine Compression Ratio | 10.3:1 | 10.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 4 doors | 2 doors |
| Vehicle Weight | 1650 kg | 1550 kg |
| Vehicle Length | 4720 mm | 4450 mm |
| Vehicle Width | 1830 mm | 1840 mm |
| Vehicle Height | 1410 mm | 1290 mm |
| Wheelbase Size | 2820 mm | 2510 mm |
