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 2,976 cc (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (262 HP @ 5800 RPM) has 40 more horse power than 2005 Audi A6. (222 HP @ 6300 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 245 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, 1999 Audi A4 (400 Nm @ 3600 RPM) has 100 more torque (in Nm) than 2005 Audi A6. (300 Nm @ 3200 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6. 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 | 2671 cc | 2976 cc |
| Engine Cylinders | 6 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Valves per Cylinder | 5 valves | 5 valves |
| Horse Power | 262 HP | 222 HP |
| Engine RPM | 5800 RPM | 6300 RPM |
| Torque | 400 Nm | 300 Nm |
| Torque RPM | 3600 RPM | 3200 RPM |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1400 kg | 1645 kg |
| Vehicle Length | 4480 mm | 4800 mm |
| Vehicle Width | 1740 mm | 1820 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2620 mm | 2580 mm |
| Fuel Tank Capacity | 60 L | 70 L |
