2005 Audi A6 vs. 1990 Porsche 911
To start off, 2005 Audi A6 is newer by 15 year(s). Which means there will be less support and parts availability for 1990 Porsche 911. In addition, the cost of maintenance, including insurance, on 1990 Porsche 911 would be higher. At 3,299 cc (6 cylinders), 1990 Porsche 911 is equipped with a bigger engine. In terms of performance, 1990 Porsche 911 (316 HP @ 5750 RPM) has 69 more horse power than 2005 Audi A6. (247 HP @ 6300 RPM) In normal driving conditions, 1990 Porsche 911 should accelerate faster than 2005 Audi A6.
Because 2005 Audi A6 is four wheel drive (4WD), it will have significant more traction and grip than 1990 Porsche 911. In wet, icy, snow, or gravel driving conditions, 2005 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, 1990 Porsche 911 (450 Nm @ 4500 RPM) has 130 more torque (in Nm) than 2005 Audi A6. (320 Nm @ 3250 RPM). This means 1990 Porsche 911 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6. 2005 Audi A6 has automatic transmission and 1990 Porsche 911 has manual transmission. 1990 Porsche 911 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2005 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2005 Audi A6 | 1990 Porsche 911 | |
| Make | Audi | Porsche |
| Model | A6 | 911 |
| Year Released | 2005 | 1990 |
| Body Type | Station Wagon | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 2976 cc | 3299 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | V | boxer |
| Valves per Cylinder | 4 valves | 2 valves |
| Horse Power | 247 HP | 316 HP |
| Engine RPM | 6300 RPM | 5750 RPM |
| Torque | 320 Nm | 450 Nm |
| Torque RPM | 3250 RPM | 4500 RPM |
| Engine Bore Size | 84.5 mm | 97 mm |
| Engine Stroke Size | 92.8 mm | 74.4 mm |
| Engine Compression Ratio | 13.0:1 | 7.0:1 |
| Drive Type | 4WD | Rear |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 2 seats |
| Number of Doors | 5 doors | 2 doors |
| Vehicle Length | 4940 mm | 4260 mm |
| Vehicle Width | 1870 mm | 1760 mm |
| Vehicle Height | 1470 mm | 1310 mm |
| Wheelbase Size | 2850 mm | 2270 mm |
| Fuel Tank Capacity | 70 L | 76 L |
