# Which battery does the Audi A4 take? Generation by generation > Audi A4 battery: 5 generations (1994-2020), AGM and conventional, with and without Start-Stop. Check it by number plate. - **Canonical URL**: https://bateriasonline.es/en/audi-a4-battery - **Language**: en - **Last update**: 2026-11-10 Car battery by model It depends on the generation and on whether your Audi A4 has Start-Stop. With Start-Stop, the Audi A4 B8 8K (2007-2015) usually takes a battery like the Varta A7: AGM, 70 Ah and 760 A; without Start-Stop, the Varta G3 (conventional, 95 Ah). The Audi A4 B7 8E (2004-2009) most often takes a battery like the Varta E11: conventional, 74 Ah and 680 A, case size L3. Below you will find all 5 generations, each with its battery. - 5 generations - 1994-2020 - 96 engines - AGM · conventional [Check with your number plate](https://bateriasonline.es/en/battery-finder-plate-or-vin) We show you only the batteries that fit your exact version. - [ **Audi A4 B9 (8W)** 2015-2020 ](#gen-audi-a4-b9) - [ **Audi A4 B8 (8K)** 2007-2015 ](https://bateriasonline.es/en/audi-a4-b8-battery) - [ **Audi A4 B7 (8E)** 2004-2009 ](#gen-audi-a4-b7) - [ **Audi A4 B6 (8E)** 2000-2005 ](#gen-audi-a4-b6) - [ **Audi A4 B5 (8D)** 1994-2001 ](#gen-audi-a4-b5) ## Audi A4 generations and their battery Newest first. If you are not sure which one you have, go by the year of manufacture or check with your number plate. A4 B9 (8W2, 8WC) - A4 B9 Avant (8W5, 8WD) ### Audi A4 B9 (8W) 2015-2020 · 28 engines With Start-Stop: [Varta A6](https://bateriasonline.es/en/varta-a6) AGM · 80 Ah · 800 A · L4 Also: [Varta A7](https://bateriasonline.es/en/varta-a7), [Varta A5](https://bateriasonline.es/en/varta-a5) Without Start-Stop: [Varta A7](https://bateriasonline.es/en/varta-a7) AGM · 70 Ah · 760 A · L3 [Check with my number plate](https://bateriasonline.es/en/battery-finder-plate-or-vin) A4 B8 (8K2) - A4 B8 Avant (8K5) ### [Audi A4 B8 (8K)](https://bateriasonline.es/en/audi-a4-b8-battery) 2007-2015 · 17 engines With Start-Stop: [Varta A7](https://bateriasonline.es/en/varta-a7) AGM · 70 Ah · 760 A · L3 Also: [Varta A6](https://bateriasonline.es/en/varta-a6), [Varta A5](https://bateriasonline.es/en/varta-a5) Without Start-Stop: [Varta G3](https://bateriasonline.es/en/varta-g3) conventional · 95 Ah · 800 A · L5 Also: [Varta E11](https://bateriasonline.es/en/varta-e11), [Varta D24](https://bateriasonline.es/en/varta-d24) [See the battery for each engine Audi A4 B8 (8K) ](https://bateriasonline.es/en/audi-a4-b8-battery) A4 B7 (8EC) - A4 B7 Avant (8ED) - A4 B7 Convertible (8HE) ### Audi A4 B7 (8E) 2004-2009 · 20 engines Battery: [Varta E11](https://bateriasonline.es/en/varta-e11) conventional · 74 Ah · 680 A · L3 Also: [Varta G3](https://bateriasonline.es/en/varta-g3), [Varta D24](https://bateriasonline.es/en/varta-d24) [Check with my number plate](https://bateriasonline.es/en/battery-finder-plate-or-vin) A4 B6 (8E2) - A4 B6 Avant (8E5) - A4 B6 Convertible (8H7) ### Audi A4 B6 (8E) 2000-2005 · 13 engines Battery: [Varta E11](https://bateriasonline.es/en/varta-e11) conventional · 74 Ah · 680 A · L3 Also: [Varta D24](https://bateriasonline.es/en/varta-d24), [Varta F16](https://bateriasonline.es/en/varta-f16) [Check with my number plate](https://bateriasonline.es/en/battery-finder-plate-or-vin) A4 B5 (8D2) - A4 B5 Avant (8D5) ### Audi A4 B5 (8D) 1994-2001 · 18 engines Battery: [Varta E11](https://bateriasonline.es/en/varta-e11) conventional · 74 Ah · 680 A · L3 Also: [Varta D24](https://bateriasonline.es/en/varta-d24), [Varta F16](https://bateriasonline.es/en/varta-f16) [Check with my number plate](https://bateriasonline.es/en/battery-finder-plate-or-vin) ## How the Audi A4 battery has changed Start-Stop becomes widespread with the Audi A4 B8 8K (2007), and with it come AGM batteries. Earlier generations —Audi A4 B5 8D, Audi A4 B6 8E and Audi A4 B7 8E— use conventional batteries from 60 to 110 Ah. The most common case size is L3, but not every generation uses it: check yours before you buy. ## How to tell which Audi A4 you have Each generation has its own production years and model code, which you will find in the car’s documents. These are the body styles of each one: | Generation | Years | Body styles (model code) | |---|---|---| | Audi A4 B9 (8W) | 2015-2020 | A4 B9 (8W2, 8WC), A4 B9 Avant (8W5, 8WD) | | Audi A4 B8 (8K) | 2007-2015 | A4 B8 (8K2), A4 B8 Avant (8K5) | | Audi A4 B7 (8E) | 2004-2009 | A4 B7 (8EC), A4 B7 Avant (8ED), A4 B7 Convertible (8HE) | | Audi A4 B6 (8E) | 2000-2005 | A4 B6 (8E2), A4 B6 Avant (8E5), A4 B6 Convertible (8H7) | | Audi A4 B5 (8D) | 1994-2001 | A4 B5 (8D2), A4 B5 Avant (8D5) | ## Frequently asked questions ### Which battery does the Audi A4 take? It depends on the generation and on whether your Audi A4 has Start-Stop. With Start-Stop, the Audi A4 B8 8K (2007-2015) usually takes a battery like the Varta A7: AGM, 70 Ah and 760 A; without Start-Stop, the Varta G3 (conventional, 95 Ah). The Audi A4 B7 8E (2004-2009) most often takes a battery like the Varta E11: conventional, 74 Ah and 680 A, case size L3. Below you will find all 5 generations, each with its battery. ### Do all Audi A4 generations take the same battery? No. The battery changes with the generation, the engine and Start-Stop: the Audi A4 B8 (8K) mostly takes the Varta A7 (AGM) and the Audi A4 B7 (8E) the Varta E11 (conventional). ### Since when has the Audi A4 had Start-Stop? It became widespread with the Audi A4 B8 8K (2007). Those versions need AGM; if your Audi A4 is older or has no Start-Stop, it takes a conventional battery. ### How do I know which generation my Audi A4 is? By the years of manufacture (Audi A4 B6 (8E): 2000-2005; Audi A4 B7 (8E): 2004-2009; Audi A4 B8 (8K): 2007-2015; Audi A4 B9 (8W): 2015-2020) or, more easily, with your number plate: our search identifies the exact model and engine and shows you only the batteries that fit. ## More information - [Car battery sizes: L1-L6, LB1-LB5, B and D (Asian) cases](https://bateriasonline.es/en/car-battery-sizes-l-lb-b-d-cases) - [Varta A7 (formerly E39): what changed and equivalents](https://bateriasonline.es/en/varta-a7-e39-agm-battery-equivalents) - [Varta, Bosch, Exide and Tudor car battery equivalents table](https://bateriasonline.es/en/varta-bosch-exide-tudor-car-battery-equivalents) - [Start-Stop batteries (AGM and EFB)](https://bateriasonline.es/en/start-stop-batteries-agm-efb) - [Car batteries](https://bateriasonline.es/en/car-batteries) - [L3 car batteries](https://bateriasonline.es/en/l3-car-batteries) - [What battery does my car need? Guide by model](https://bateriasonline.es/en/car-battery-by-model) Updated: 9 November 2026 · Source: battery application data by engine (KType TecDoc), the same data our number plate search uses, plus the datasheet of each battery. --- *bateriasonline.es — Batteries and accessories · 2026-11-10*