2008 Audi A6 vs. 1991 Porsche 928
To start off, 2008 Audi A6 is newer by 17 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 4,663 cc (8 cylinders), 1991 Porsche 928 is equipped with a bigger engine. In terms of performance, 1991 Porsche 928 (306 HP @ 5900 RPM) has 54 more horse power than 2008 Audi A6. (252 HP @ 6500 RPM) In normal driving conditions, 1991 Porsche 928 should accelerate faster than 2008 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2008 Audi A6 weights approximately 230 kg more than 1991 Porsche 928.
Because 2008 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, 2008 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 (408 Nm @ 4100 RPM) has 78 more torque (in Nm) than 2008 Audi A6. (330 Nm @ 3250 RPM). This means 1991 Porsche 928 will have an easier job in driving up hills or pulling heavy equipment than 2008 Audi A6. 2008 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. 2008 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2008 Audi A6 | 1991 Porsche 928 | |
| Make | Audi | Porsche |
| Model | A6 | 928 |
| Year Released | 2008 | 1991 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 4663 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 252 HP | 306 HP |
| Engine RPM | 6500 RPM | 5900 RPM |
| Torque | 330 Nm | 408 Nm |
| Torque RPM | 3250 RPM | 4100 RPM |
| Engine Bore Size | 84.5 mm | 97 mm |
| Engine Stroke Size | 92.8 mm | 78.9 mm |
| Engine Compression Ratio | 12.5:1 | 10.0:1 |
| Fuel Type | Gasoline - Premium | Gasoline |
| Top Speed | 242 km/hour | 319 km/hour |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 4 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Weight | 1760 kg | 1530 kg |
| Vehicle Length | 4940 mm | 4530 mm |
| Vehicle Width | 1870 mm | 2060 mm |
| Vehicle Height | 1530 mm | 1290 mm |
| Wheelbase Size | 2840 mm | 2510 mm |
| Fuel Tank Capacity | 80 L | 76 L |
