2003 Audi A6 vs. 2007 Audi S6
To start off, 2007 Audi S6 is newer by 4 year(s). Which means there will be less support and parts availability for 2003 Audi A6. In addition, the cost of maintenance, including insurance, on 2003 Audi A6 would be higher. At 5,204 cc (10 cylinders), 2007 Audi S6 is equipped with a bigger engine. In terms of performance, 2007 Audi S6 (435 HP @ 6800 RPM) has 209 more horse power than 2003 Audi A6. (226 HP @ 5800 RPM) In normal driving conditions, 2007 Audi S6 should accelerate faster than 2003 Audi A6. With that said, vehicle weight also plays an important factor in acceleration. 2007 Audi S6 weights approximately 98 kg more than 2003 Audi A6. 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 S6 (540 Nm @ 3000 RPM) has 230 more torque (in Nm) than 2003 Audi A6. (310 Nm @ 1700 RPM). This means 2007 Audi S6 will have an easier job in driving up hills or pulling heavy equipment than 2003 Audi A6. 2007 Audi S6 has automatic transmission and 2003 Audi A6 has manual transmission. 2003 Audi A6 will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 2007 Audi S6 will be easier to drive especially in heavy traffic.
Compare all specifications:
| 2003 Audi A6 | 2007 Audi S6 | |
| Make | Audi | Audi |
| Model | A6 | S6 |
| Year Released | 2003 | 2007 |
| Body Type | Sedan | Sedan |
| Engine Position | Front | Front |
| Engine Size | 2671 cc | 5204 cc |
| Engine Cylinders | 6 cylinders | 10 cylinders |
| Engine Type | V | V |
| Horse Power | 226 HP | 435 HP |
| Engine RPM | 5800 RPM | 6800 RPM |
| Torque | 310 Nm | 540 Nm |
| Torque RPM | 1700 RPM | 3000 RPM |
| Engine Bore Size | 81 mm | 84.5 mm |
| Engine Stroke Size | 86.4 mm | 92.8 mm |
| Engine Compression Ratio | 9.3:1 | 17.0:1 |
| Drive Type | 4WD | 4WD |
| Transmission Type | Manual | Automatic |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1662 kg | 1760 kg |
| Vehicle Length | 4800 mm | 4920 mm |
| Vehicle Width | 1820 mm | 2020 mm |
| Vehicle Height | 1460 mm | 1450 mm |
| Wheelbase Size | 2770 mm | 2850 mm |
| Fuel Tank Capacity | 70 L | 80 L |
