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 (247 HP @ 5300 RPM) has 85 more horse power than 2005 Audi A6. (162 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 390 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 (320 Nm @ 3800 RPM) has 10 more torque (in Nm) than 2005 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 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 | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 1595 cc | 2496 cc |
| Horse Power | 247 HP | 162 HP |
| Engine RPM | 5300 RPM | 4000 RPM |
| Torque | 320 Nm | 310 Nm |
| Torque RPM | 3800 RPM | 1400 RPM |
| Engine Bore Size | 81 mm | 78.3 mm |
| Engine Stroke Size | 77.4 mm | 86.4 mm |
| Engine Compression Ratio | 10.3:1 | 19.5:1 |
| Top Speed | 190 km/hour | 217 km/hour |
| Acceleration 0-100mph | 12.7 seconds | 9.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1200 kg | 1590 kg |
| Wheelbase Size | 2620 mm | 2770 mm |
| Fuel Tank Capacity | 62 L | 70 L |
