2003 Audi A6 vs. 1991 Porsche 928
To start off, 2003 Audi A6 is newer by 12 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 49 more horse power than 2003 Audi A6. (296 HP @ 6200 RPM) In normal driving conditions, 1991 Porsche 928 should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2003 Audi A6 weights approximately 218 kg more than 1991 Porsche 928.
Because 2003 Audi A6 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, 2003 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, 1991 Porsche 928 (500 Nm @ 4250 RPM) has 100 more torque (in Nm) than 2003 Audi A6. (400 Nm @ 3000 RPM). This means 1991 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6. 2003 Audi A6 has automatic transmission and 1991 Porsche 928 has manual transmission. 1991 Porsche 928 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2003 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi A6 | 1991 Porsche 928 | |
| Make | Audi | Porsche |
| Model | A6 | 928 |
| Year Released | 2003 | 1991 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 4172 cc | 5397 cc |
| Engine Cylinders | 8 cylinders | 8 cylinders |
| Engine Type | V | V |
| Horse Power | 296 HP | 345 HP |
| Engine RPM | 6200 RPM | 5700 RPM |
| Torque | 400 Nm | 500 Nm |
| Torque RPM | 3000 RPM | 4250 RPM |
| Engine Bore Size | 84.5 mm | 100.1 mm |
| Engine Stroke Size | 93 mm | 85.9 mm |
| Engine Compression Ratio | 11.0:1 | 10.4:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1818 kg | 1600 kg |
| Vehicle Length | 4840 mm | 4450 mm |
| Vehicle Width | 1860 mm | 1860 mm |
| Vehicle Height | 1460 mm | 1290 mm |
| Wheelbase Size | 2850 mm | 2510 mm |
| Fuel Tank Capacity | 82 L | 86 L |
