Audi A6 Allroad C6 (2006-2011) – batteries


Audi A6 Allroad C6 - battery locationWhen it comes to selecting the right battery for your Audi A6 Allroad C6, manufactured between 2006 and 2011, making an informed choice is crucial for ensuring reliable engine starts and proper functioning of your vehicle’s electrical system. The Audi A6 Allroad C6 from this period was offered with a range of powerful engines, both petrol and diesel, including the 3.0 TFSI quattro, 3.2 FSI quattro, 4.2 FSI quattro, 2.7 TDI quattro, and 3.0 TDI quattro. All of these engines were designed without the Start-Stop system, which is an important factor influencing the type of battery required.

For all these engine variants, the recommended battery specifications are quite consistent. The ideal battery should have a capacity between 95 and 100 amp-hours (Ah), with a cold cranking amperage (CCA) rating between 800 and 900 amps. This ensures the battery has enough power to start high-displacement engines, especially in colder climates where diesel and larger petrol engines demand more starting power. It’s important to note that, due to the lack of a Start-Stop system, there is no need for enhanced cyclic durability, so traditional lead-acid (flooded) batteries are recommended instead of the more expensive AGM or EFB batteries typically required for Start-Stop vehicles.

When searching for a compatible battery, you’ll find several models that fit these requirements. Some of the most popular and suitable examples are the Bosch S40 13, Bosch S50 13, Exide EA1000, Exide EB950, and Varta G3 or Varta H3. Other options include the Halfords HCB 019, Lucas LP019, and Lucas LS019. Remember, these are only sample models, and there are other batteries from reputable manufacturers that also meet the technical specifications. The most important criteria should always be the battery’s capacity, CCA rating, and physical dimensions, which should fit the battery tray in your Audi.

An interesting fact about the Audi A6 Allroad C6 is that, despite being a high-end, technologically advanced vehicle for its time, it still utilized conventional battery technology in most versions. This means replacement costs are generally lower compared to modern cars with more energy-demanding Start-Stop systems or hybrid components. Owners can focus on selecting a robust, high-quality lead-acid battery without worrying about programming the car’s computer after installation, which is often necessary in newer vehicles with advanced battery management systems.

When choosing your new battery, consider the reputation of the manufacturer and warranty offered. Leading brands like Bosch, Varta, and Exide are known for their reliability and durability. Additionally, it’s a good idea to periodically check the battery status, especially if the vehicle is not used frequently or is often driven in short, city cycles, which are more demanding for any battery. If your Audi is equipped with many electrical accessories, such as upgraded sound systems, additional lighting, or other electronic modifications, sticking to the higher end of the capacity and CCA range is advisable for optimal performance.

Another tip for Audi A6 Allroad C6 owners is to ensure that the battery’s dimensions and terminal layout (polarity) match the original battery. European vehicles like the Audi A6 often use the “019” case size, which is compatible with the aforementioned battery models. Installing a battery that fits poorly can lead to mounting issues or even damage to the battery terminals or cables.

To sum up, for the Audi A6 Allroad C6 from 2006 to 2011, a traditional lead-acid battery with a capacity between 95 and 100 Ah and a CCA of 800–900 A is ideal. Sample compatible models include Bosch S40 13, Varta H3, and Exide EA1000, but always cross-check the dimensions and specifications before purchase. Choosing a high-quality battery from a reputable brand will not only ensure reliable starts but also help you avoid unexpected breakdowns, allowing you to fully enjoy the versatile and robust performance of your Audi A6 Allroad.

Audi A6 Allroad in version C6 was produced in the years 2006 – 2011. We invite you to a list of batteries matching individual engine versions.

Basic parameters of batteries suitable for Audi A6 Allroad (2006-2011):

LayoutTerminal typesBase hold-down
0 – positive on the right side1B13

Audi A6 Allroad C6 – petrol engines:
  • 3.0 TFSI quattro
  • 3.2 FSI quattro
  • 4.2 FSI quattro

ModelCapacity and CCADimensions (LxWxH)Price
Bosch S4
S40 13
95 Ah
800 A
353x175x190 mmMore
Bosch S5
S50 13
100 Ah
830 A
353x175x190 mmMore
Exide Excell
EB950
95 Ah
800 A
353x175x190 mmMore
Exide Premium
EA1000
100 Ah
900 A
353x175x190 mmMore
Halfords Standard
HCB 019
95 Ah
850 A
353x175x190 mmMore
Lucas Premium
LP019
95 Ah
800 A
354x175x190 mmMore
Lucas Supreme
LS019
100 Ah
850 A
354x175x190 mmMore
Varta Blue Dynamic
G3
95 Ah
800 A
353x175x190 mmMore
Varta Silver Dynamic
H3
100 Ah
830 A
353x175x190 mmMore

For the Audi A6 Allroad C6 models produced between 2006 and 2011 equipped with the 3.0 TFSI quattro, 3.2 FSI quattro, and 4.2 FSI quattro petrol engines without Start-Stop systems, the choice of battery is particularly important due to the high electrical demands of these powerful engines and the sophisticated onboard electronics typical for this model range. These engines require batteries with higher capacity and starting power to ensure reliable operation in all conditions.

Batteries compatible with these petrol engines should have a capacity between 95Ah and 100Ah and a cold cranking amperage (CCA) ranging from 800A up to 900A. The physical dimensions for a correct fit are approximately 353-354 mm in length, 175 mm in width, and 190 mm in height. The batteries use the B13 mounting system, with terminal layout 0 (positive terminal on the right when facing the battery). The terminal type required is standard European type 1, which matches the original battery specifications of the Audi A6 Allroad C6 for these petrol variants.

Recommended battery models include the Bosch S4 S40 13 (95Ah, 800A), Bosch S5 S50 13 (100Ah, 830A), Varta Blue Dynamic G3 (95Ah, 800A), and Varta Silver Dynamic H3 (100Ah, 830A). Alternatives such as Exide Premium EA1000 (100Ah, 900A) and Exide Excell EB950 (95Ah, 800A) are also suitable, as are Halfords HCB 019, Lucas Supreme LS019, and Lucas Premium LP019, all of which meet the required technical parameters. These batteries are of standard construction, ensuring compatibility with the original battery tray and electrical connections in your vehicle.

Choosing one of these batteries will ensure optimal performance, reliable engine starts, and full support for the vehicle’s electrical systems, which is particularly important for the demanding petrol engines of the Audi A6 Allroad C6.


Audi A6 Allroad C6 – diesel engines:
  • 2.7 TDI quattro
  • 3.0 TDI quattro

ModelCapacity and CCADimensions (LxWxH)Price
Bosch S4
S40 13
95 Ah
800 A
353x175x190 mmMore
Bosch S5
S50 13
100 Ah
830 A
353x175x190 mmMore
Exide Excell
EB950
95 Ah
800 A
353x175x190 mmMore
Exide Premium
EA1000
100 Ah
900 A
353x175x190 mmMore
Halfords Standard
HCB 019
95 Ah
850 A
353x175x190 mmMore
Lucas Premium
LP019
95 Ah
800 A
354x175x190 mmMore
Lucas Supreme
LS019
100 Ah
850 A
354x175x190 mmMore
Varta Blue Dynamic
G3
95 Ah
800 A
353x175x190 mmMore
Varta Silver Dynamic
H3
100 Ah
830 A
353x175x190 mmMore

For the diesel variants of the Audi A6 Allroad C6 produced from 2006 to 2011, specifically the 2.7 TDI quattro and 3.0 TDI quattro engines without Start-Stop systems, battery selection is equally crucial due to the higher compression ratios and greater starting power requirements of diesel engines. These engines place significant demands on the battery, especially during cold starts or in challenging weather conditions, making it essential to choose a battery with robust capacity and high cranking power.

Suitable batteries for the 2.7 TDI quattro and 3.0 TDI quattro engines should offer a capacity between 95Ah and 100Ah, with a cold cranking amperage (CCA) in the range of 800A to 900A. The appropriate physical dimensions are 353-354 mm in length, 175 mm in width, and 190 mm in height, which ensures a proper fit in the original battery mounting location. These batteries use the B13 mounting system and terminal layout 0 (meaning the positive terminal is on the right side when facing the battery), with standard European terminal type 1. This configuration is in line with the original equipment specifications for these diesel engine models.

Among the recommended options are batteries such as the Bosch S4 S40 13 (95Ah, 800A), Bosch S5 S50 13 (100Ah, 830A), Varta Blue Dynamic G3 (95Ah, 800A), and Varta Silver Dynamic H3 (100Ah, 830A). Additionally, Exide Premium EA1000 (100Ah, 900A), Exide Excell EB950 (95Ah, 800A), Halfords HCB 019 (95Ah, 850A), Lucas Supreme LS019 (100Ah, 850A), and Lucas Premium LP019 (95Ah, 800A) are all suitable choices. These batteries are designed with the standard construction type, ensuring compatibility with the battery tray and electrical system of the A6 Allroad C6 diesel variants.

Selecting one of these batteries will guarantee the reliable starting performance and support the extensive electrical systems typical for the Audi A6 Allroad C6 diesel models. This is especially important for maintaining consistent operation and longevity, given the increased energy requirements of these advanced diesel powertrains.


FAQ – Audi A6 Allroad battery

What type and size of car battery are suitable for the Audi A6 Allroad (C6) 2006-2011?

The Audi A6 Allroad (C6) 2006-2011 typically requires an AGM or EFB battery, with a commonly recommended size being 096 (also known as L3 or H6). Always check your vehicle manual or existing battery for the correct specifications before purchasing a replacement.

How do I know when my Audi A6 Allroad (C6) battery needs replacing?

Common signs that your Audi A6 Allroad (C6) battery needs replacing include difficulty starting the engine, dim headlights, electrical issues, or a warning light on the dashboard. If your battery is more than 4-5 years old, it is also a good idea to have it tested or replaced proactively.

Can I fit a new battery in my Audi A6 Allroad (C6) myself?

Yes, you can replace the battery yourself if you have basic mechanical knowledge and the right tools. However, the Audi A6 Allroad (C6) may require battery registration or coding after installation, especially if you are replacing an AGM battery. This ensures that the vehicle’s charging system recognizes the new battery type and charges it correctly.

What is battery registration for the Audi A6 Allroad (C6), and why is it important?

Battery registration is the process of informing your Audi A6 Allroad (C6)’s onboard computer that a new battery has been installed. This is important because it allows the charging system to adjust to the new battery’s characteristics, helping to maximize its lifespan and performance. Some models may require specialized diagnostic equipment to complete this process.

How can I extend the lifespan of my Audi A6 Allroad (C6) car battery?

To extend the lifespan of your Audi A6 Allroad (C6) car battery, make sure you regularly drive the vehicle to keep the battery charged, avoid frequent short journeys, turn off lights and electrical accessories when the engine is off, and keep the battery terminals clean and free of corrosion. Regular checks and maintenance can help prevent premature battery failure.


If you’re still unsure which battery fits your Audi A6 Allroad , 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!

See also information about other cars of this manufacturer

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