1999 Audi A4 vs. 2005 Audi A6
To start off, 2005 Audi A6 is newer by 6 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, 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (248 HP @ 4150 RPM) has 71 more horse power than 2005 Audi A6. (177 HP @ 4000 RPM). In normal driving conditions, 1999 Audi A4 should accelerate faster than 2005 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2005 Audi A6 weights approximately 525 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, 2005 Audi A6 (370 Nm) has 31 more torque (in Nm) than 1999 Audi A4. (339 Nm). This means 2005 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4. 2005 Audi A6 has automatic transmission and 1999 Audi A4 has manual transmission. 1999 Audi A4 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:
| 1999 Audi A4 | 2005 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 1999 | 2005 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1896 cc | 2496 cc |
| Horse Power | 248 HP | 177 HP |
| Engine RPM | 4150 RPM | 4000 RPM |
| Torque | 339 Nm | 370 Nm |
| Fuel Type | Diesel | Diesel |
| Top Speed | 190 km/hour | 205 km/hour |
| Acceleration 0-100mph | 11.9 seconds | 10.2 seconds |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1430 kg | 1955 kg |
| Vehicle Length | 4480 mm | 4820 mm |
| Vehicle Width | 1740 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1560 mm |
| Wheelbase Size | 2610 mm | 2770 mm |
| Fuel Tank Capacity | 60 L | 70 L |
