1999 Audi A4 vs. 2009 Audi A6
To start off, 2009 Audi A6 is newer by 10 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 1,984 cc (6 cylinders), 2009 Audi A6 is equipped with a bigger engine. In terms of performance, 2009 Audi A6 (169 HP) has 46 more horse power than 1999 Audi A4. (123 HP) In normal driving conditions, 2009 Audi A6 should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 1999 Audi A4 weights approximately 115 kg more than 2009 Audi A6.
Because 1999 Audi A4 is four wheel drive (4WD), it will have significant more traction and grip than 2009 Audi A6. In wet, icy, snow, or gravel driving conditions, 1999 Audi A4 will offer significantly more control. 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, 2009 Audi A6 (280 Nm @ 1800 RPM) has 112 more torque (in Nm) than 1999 Audi A4. (168 Nm @ 3500 RPM). This means 2009 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4.
Compare all specifications:
| 1999 Audi A4 | 2009 Audi A6 | |
| Make | Audi | Audi |
| Model | A4 | A6 |
| Year Released | 1999 | 2009 |
| Body Type | Station Wagon | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 1781 cc | 1984 cc |
| Engine Cylinders | 4 cylinders | 6 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 123 HP | 169 HP |
| Torque | 168 Nm | 280 Nm |
| Torque RPM | 3500 RPM | 1800 RPM |
| Engine Compression Ratio | 10.3:1 | 11.5:1 |
| Top Speed | 197 km/hour | 223 km/hour |
| Acceleration 0-100mph | 11.3 seconds | 8.7 seconds |
| Drive Type | 4WD | Front |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 5 doors | 5 doors |
| Vehicle Weight | 1390 kg | 1275 kg |
| Vehicle Length | 4480 mm | 4800 mm |
| Vehicle Width | 1740 mm | 1820 mm |
| Vehicle Height | 1420 mm | 1460 mm |
| Wheelbase Size | 2610 mm | 2770 mm |
| Fuel Tank Capacity | 60 L | 70 L |
