2001 Audi A6 vs. 1999 Audi A4
To start off, 2001 Audi A6 is newer by 2 year(s). Which means there will be less support and parts availability for 1999 Audi A4. In addition, the cost of maintenance, including insurance, on 1999 Audi A4 would be higher. At 2,671 cc (6 cylinders), 2001 Audi A6 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (248 HP @ 4150 RPM) has 1 more horse power than 2001 Audi A6. (247 HP @ 6300 RPM) In normal driving conditions, 1999 Audi A4 should accelerate faster than 2001 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2001 Audi A6 weights approximately 375 kg more than 1999 Audi A4.
Both vehicles are four wheel drive (4WD) - it offers better handling, traction, and control in all driving conditions compared with front wheel drive or rear wheel drive vehicles. 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, 2001 Audi A6 (351 Nm @ 1800 RPM) has 12 more torque (in Nm) than 1999 Audi A4. (339 Nm @ 1900 RPM). This means 2001 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 2001 Audi A6 | 1999 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2001 | 1999 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 1896 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 247 HP | 248 HP |
| Engine RPM | 6300 RPM | 4150 RPM |
| Torque | 351 Nm | 339 Nm |
| Torque RPM | 1800 RPM | 1900 RPM |
| Engine Bore Size | 81 mm | 79.5 mm |
| Engine Stroke Size | 86 mm | 95.5 mm |
| Fuel Type | Gasoline | Diesel |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1805 kg | 1430 kg |
| Vehicle Length | 4800 mm | 4480 mm |
| Vehicle Width | 1860 mm | 1740 mm |
| Vehicle Height | 1560 mm | 1420 mm |
| Wheelbase Size | 2770 mm | 2610 mm |
| Fuel Tank Capacity | 70 L | 60 L |
