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 2,496 cc (6 cylinders), 2001 Audi A6 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (247 HP @ 4150 RPM) has 94 more horse power than 2001 Audi A6. (153 HP @ 4000 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 225 kg more than 1999 Audi A4.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than 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, 1999 Audi A4 (321 Nm @ 1900 RPM) has 11 more torque (in Nm) than 2001 Audi A6. (310 Nm @ 1400 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2001 Audi A6. 1999 Audi A4 has automatic transmission and 2001 Audi A6 has manual transmission. 2001 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1999 Audi A4 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2001 Audi A6 | 1999 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2001 | 1999 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 2496 cc | 1896 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 153 HP | 247 HP |
| Engine RPM | 4000 RPM | 4150 RPM |
| Torque | 310 Nm | 321 Nm |
| Torque RPM | 1400 RPM | 1900 RPM |
| Engine Bore Size | 78.3 mm | 79.5 mm |
| Engine Stroke Size | 86.4 mm | 95.5 mm |
| Fuel Type | Diesel | Diesel |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1560 kg | 1335 kg |
| Vehicle Length | 4800 mm | 4480 mm |
| Vehicle Width | 1820 mm | 1740 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2760 mm | 2630 mm |
| Fuel Tank Capacity | 70 L | 62 L |
