2007 Audi A6 vs. 1999 Audi A4
To start off, 2007 Audi A6 is newer by 8 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 3,123 cc (6 cylinders), 2007 Audi A6 is equipped with a bigger engine. In terms of performance, 2007 Audi A6 (255 HP @ 6500 RPM) has 132 more horse power than 1999 Audi A4. (123 HP @ 5800 RPM). In normal driving conditions, 2007 Audi A6 should accelerate faster than 1999 Audi A4. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi A6 weights approximately 490 kg more than 1999 Audi A4. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
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, 2007 Audi A6 (330 Nm @ 3250 RPM) has 162 more torque (in Nm) than 1999 Audi A4. (168 Nm @ 3500 RPM). This means 2007 Audi A6 will have an easier job in driving up hills or pulling heavy equipment than 1999 Audi A4. 2007 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. 2007 Audi A6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2007 Audi A6 | 1999 Audi A4 | |
| Make | Audi | Audi |
| Model | A6 | A4 |
| Year Released | 2007 | 1999 |
| Body Type | Sedan | Station Wagon |
| Engine Position | Front | Front |
| Engine Size | 3123 cc | 1781 cc |
| Engine Cylinders | 6 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 255 HP | 123 HP |
| Engine RPM | 6500 RPM | 5800 RPM |
| Torque | 330 Nm | 168 Nm |
| Torque RPM | 3250 RPM | 3500 RPM |
| Engine Compression Ratio | 11.3:1 | 10.3:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Automatic | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 5 doors |
| Vehicle Weight | 1880 kg | 1390 kg |
| Vehicle Length | 4920 mm | 4480 mm |
| Vehicle Width | 2020 mm | 1740 mm |
| Vehicle Height | 1460 mm | 1420 mm |
| Wheelbase Size | 2850 mm | 2610 mm |
| Fuel Tank Capacity | 80 L | 60 L |
