2007 Audi A3 vs. 1991 Porsche 928
To start off, 2007 Audi A3 is newer by 16 year(s). Which means there will be less support and parts availability for 1991 Porsche 928. In addition, the cost of maintenance, including insurance, on 1991 Porsche 928 would be higher. At 5,397 cc (8 cylinders), 1991 Porsche 928 is equipped with a bigger engine. In terms of performance, 1991 Porsche 928 (345 HP @ 5700 RPM) has 98 more horse power than 2007 Audi A3. (247 HP @ 6300 RPM) In normal driving conditions, 1991 Porsche 928 should accelerate faster than 2007 Audi A3. With that said, vehicle weight also plays an important factor in acceleration. 1991 Porsche 928 weights approximately 35 kg more than 2007 Audi A3. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Because 2007 Audi A3 is four wheel drive (4WD), it will have significant more traction and grip than 1991 Porsche 928. In wet, icy, snow, or gravel driving conditions, 2007 Audi A3 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, 1991 Porsche 928 (500 Nm @ 4250 RPM) has 180 more torque (in Nm) than 2007 Audi A3. (320 Nm @ 8200 RPM). This means 1991 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2007 Audi A3.
Compare all specifications:
| 2007 Audi A3 | 1991 Porsche 928 | |
| Make | Audi | Porsche |
| Model | A3 | 928 |
| Year Released | 2007 | 1991 |
| Body Type | Hatchback | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3187 cc | 5397 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 247 HP | 345 HP |
| Engine RPM | 6300 RPM | 5700 RPM |
| Torque | 320 Nm | 500 Nm |
| Torque RPM | 8200 RPM | 4250 RPM |
| Engine Bore Size | 84 mm | 100.1 mm |
| Engine Stroke Size | 95.9 mm | 85.9 mm |
| Engine Compression Ratio | 11.3:1 | 10.4:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1565 kg | 1600 kg |
| Vehicle Length | 4290 mm | 4450 mm |
| Vehicle Width | 1770 mm | 1860 mm |
| Vehicle Height | 1430 mm | 1290 mm |
| Wheelbase Size | 2580 mm | 2510 mm |
| Fuel Tank Capacity | 60 L | 86 L |
