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 (6 cylinders), 2005 Audi A6 is equipped with a bigger engine. In terms of performance, 1999 Audi A4 (252 HP @ 4150 RPM) has 65 more horse power than 2005 Audi A6. (187 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 415 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 (330 Nm @ 1900 RPM) has 100 more torque (in Nm) than 2005 Audi A6. (230 Nm @ 3000 RPM). This means 1999 Audi A4 will have an easier job in driving up hills or pulling heavy equipment than 2005 Audi A6. 1999 Audi A4 has automatic transmission and 2005 Audi A6 has manual transmission. 2005 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:
| 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 | 1896 cc | 2496 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | V |
| Horse Power | 252 HP | 187 HP |
| Engine RPM | 4150 RPM | 6300 RPM |
| Torque | 330 Nm | 230 Nm |
| Torque RPM | 1900 RPM | 3000 RPM |
| Engine Bore Size | 79.5 mm | 81 mm |
| Engine Stroke Size | 95.5 mm | 77.4 mm |
| Engine Compression Ratio | 19.5:1 | 11.0:1 |
| Fuel Type | Diesel | Gasoline |
| Top Speed | 192 km/hour | 224 km/hour |
| Acceleration 0-100mph | 13.1 seconds | 9.3 seconds |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1295 kg | 1710 kg |
| Vehicle Length | 4480 mm | 4800 mm |
| Vehicle Width | 1740 mm | 1860 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2620 mm | 2660 mm |
| Fuel Tank Capacity | 62 L | 70 L |
