Choosing the right battery for the Audi A6 C6 from 2004 to 2011 is crucial for ensuring the vehicle’s reliability. This decision depends on several factors, such as the type of engine, fuel, and the required battery parameters like capacity and starting current.
For petrol engines like the 2.0 TFSI and 2.4 without the Start-Stop system, standard batteries with a capacity of 74 to 78 Ah and a starting current between 680 and 780 A are recommended. Example matching models include Exide EB740 and Lucas LP096.
Engines like the 2.8 FSI and 3.0 require batteries with a capacity of 80-90 Ah and a starting current of 640-800 A. Example models are Exide EB800 and Varta F16. For quattro versions, such as the 2.8 FSI quattro and 3.0 quattro, the same battery parameters are recommended.
Higher-powered engines, such as the 3.0 TFSI quattro and the S6 and RS6 quattro models, require batteries with higher specifications. For the 3.0 TFSI quattro, a battery with a capacity of 95-100 Ah and a starting current of 800-900 A is recommended, like the Varta G3. The S6 and RS6 quattro models require AGM batteries with a capacity of 95 Ah and a starting current of 850 A, such as the Lucas LF017.
In the case of diesel engines, such as the 2.0 TDI and 2.7 TDI, standard batteries with a capacity of 74-78 Ah and a starting current of 680-780 A are recommended. An example model is the Lucas LS096. For the 2.7 TDI quattro and 3.0 TDI engines (both with and without quattro drive), batteries with a capacity of 80-90 Ah and a starting current of 640-800 A are required. Matching models include Bosch S50 11 and Varta F16.
An interesting fact is that AGM (Absorbent Glass Mat) batteries used in the S6 and RS6 quattro models are characterized by greater efficiency and durability, which is important for high-performance vehicles. In summary, when choosing a battery for the Audi A6 C6, attention should be paid to technical parameters and ensuring that the selected model meets the requirements of the specific engine. In case of doubts, it is advisable to consult a specialist or check the specifications of the currently installed battery.
Audi A6 in version C6 was produced in the years 2004 – 2011. Below we present the specifications of batteries suitable for specific engines.
Basic parameters of batteries suitable for Audi A6 (2004-2011):
| Layout | Terminal types | Base hold-down |
|---|---|---|
| 0 – positive on the right side | 1 | B13 |
Audi A6 C6 – petrol engines:
- 2.0 TFSI
- 2.4
- 2.4 quattro
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S4 S40 08 | 74 Ah 680 A | 278x175x190 mm | More |
| Bosch S5 S50 08 | 77 Ah 780 A | 278x175x190 mm | More |
| Exide Excell EB740 | 74 Ah 680 A | 278x175x190 mm | More |
| Exide Premium EA770 | 77 Ah 760 A | 278x175x190 mm | More |
| Halfords Standard HCB 096 | 76 Ah 680 A | 278x175x190 mm | More |
| Lucas Premium LP096 | 75 Ah 680 A | 278x175x190 mm | More |
| Lucas Supreme LS096 | 78 Ah 780 A | 278x175x190 mm | More |
| Varta Blue Dynamic E11 | 74 Ah 680 A | 278x175x190 mm | More |
| Varta Silver Dynamic E44 | 77 Ah 780 A | 278x175x190 mm | More |
Audi A6 C6 – petrol engines:
- 2.8 FSI
- 2.8 FSI quattro
- 3.0
- 3.0 quattro
- 3.2 FSI
- 3.2 FSI quattro
- 4.2 FSI quattro
- 4.2 quattro
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S5 S50 11 | 85 Ah 800 A | 315x175x190 mm | More |
| Exide Excell EB800 | 80 Ah 640 A | 315x175x190 mm | More |
| Exide Premium EA900 | 90 Ah 720 A | 315x175x190 mm | More |
| Varta Blue Dynamic F16 | 80 Ah 740 A | 315x175x190 mm | More |
| Varta Silver Dynamic F19 | 85 Ah 800 A | 315x175x190 mm | More |
Audi A6 C6 – petrol engines:
- 3.0 TFSI quattro
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S4 S40 13 | 95 Ah 800 A | 353x175x190 mm | More |
| Bosch S5 S50 13 | 100 Ah 830 A | 353x175x190 mm | More |
| Exide Excell EB950 | 95 Ah 800 A | 353x175x190 mm | More |
| Exide Premium EA1000 | 100 Ah 900 A | 353x175x190 mm | More |
| Halfords Standard HCB 019 | 95 Ah 850 A | 353x175x190 mm | More |
| Varta Blue Dynamic G3 | 95 Ah 800 A | 353x175x190 mm | More |
| Varta Silver Dynamic H3 | 100 Ah 830 A | 353x175x190 mm | More |
Audi A6 C6 – petrol engines:
- RS6 quattro
- S6 quattro
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S5 AGM S5A 13 | 95 Ah 850 A | 353x175x190 mm | More |
| Exide AGM EK950 | 95 Ah 850 A | 353x175x190 mm | More |
| Exide AGM EK960 | 96 Ah 850 A | 353x175x190 mm | More |
| Halfords Advanced AGM 019 | 95 Ah 850 A | 353x175x190 mm | More |
| Lucas Fusion AGM LF017 | 95 Ah 850 A | 353x175x190 mm | More |
| Varta Silver Dynamic AGM G14 | 95 Ah 850 A | 353x175x190 mm | More |
Audi A6 C6 – diesel engines:
- 2.0 TDI
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S4 S40 08 | 74 Ah 680 A | 278x175x190 mm | More |
| Bosch S5 S50 08 | 77 Ah 780 A | 278x175x190 mm | More |
| Exide Excell EB740 | 74 Ah 680 A | 278x175x190 mm | More |
| Exide Premium EA770 | 77 Ah 760 A | 278x175x190 mm | More |
| Halfords Standard HCB 096 | 76 Ah 680 A | 278x175x190 mm | More |
| Lucas Premium LP096 | 75 Ah 680 A | 278x175x190 mm | More |
| Lucas Supreme LS096 | 78 Ah 780 A | 278x175x190 mm | More |
| Varta Blue Dynamic E11 | 74 Ah 680 A | 278x175x190 mm | More |
| Varta Silver Dynamic E44 | 77 Ah 780 A | 278x175x190 mm | More |
Audi A6 C6 – diesel engines:
- 2.7 TDI
- 2.7 TDI quattro
- 3.0 TDI
- 3.0 TDI quattro
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S5 S50 11 | 85 Ah 800 A | 315x175x190 mm | More |
| Exide Excell EB800 | 80 Ah 640 A | 315x175x190 mm | More |
| Exide Premium EA900 | 90 Ah 720 A | 315x175x190 mm | More |
| Varta Blue Dynamic F16 | 80 Ah 740 A | 315x175x190 mm | More |
| Varta Silver Dynamic F19 | 85 Ah 800 A | 315x175x190 mm | More |
If you’re still unsure which battery fits your Audi A6 , or if you want to help others in their selection, please send us a photo of your current battery in the comment section at the bottom of the page. You can also send the picture to contact@whatbattery.co.uk (we will place it in the comments to also help other users). Be sure to specify the car model, year, type, as well as the engine capacity and power. We’ll do our best to assist you!