Quick answer
Audi coolant: Audi uses Volkswagen Group VW TL 774 coolant specs (G11, G12, G12+, G12++, G13 and G12evo correspond to different TL 774 letters). The letter in your service book decides, not the colour.
Audi coolant at a glance
Genuine coolant
Part number
Colour
Spec codes to look for
Watch out
Matching products
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On this page
What coolant does Audi use?
- Audi is part of the Volkswagen Group, and coolant makers list Audi under the same VW TL 774 coolant standards.
- Coolant makers list Audi approvals by TL 774 letter. For example, Valvoline lists Zerex G40 as "an approved formula" for "Audi TL 774 G". [2]
How Audi coolant changed over the years
Audi's own service bulletin is the clearest official record of the Group's coolant history in the US. It also has a rule just for the e-tron [3].
Early Audis
G11 Not stated
Turns brown if mixed with later fluids [3]
From the 2005 model year
G12++ Not stated
From the 2008 model year
G13 Not stated
From the 2019 model year
G12evo Not stated
The only coolant for the e-tron [3]
Audi coolant chemistry
The bulletin presents G12evo as the coolant that can be used across model years, with listed exceptions [3]. Valvoline lists Zerex G40 as approved for "Audi TL 774 G" [2].
Known Audi coolant issues
- For the e-tron, the bulletin allows G12evo only [3].
- G12evo can be used across model years, but the bulletin lists exceptions. Check it for your model before topping up [3].
Aftermarket coolants listing a Audi code
Audi shares its coolant codes (VW TL 774-G, VW TL 774-F, VW TL 774-D) with its sister brand, so the full code table sits on the Volkswagen page. A sample of the 20 matching products:
Plus 16 more in the finder.
Coolants whose maker mentions Audi
7 more only mention Audi in application text, which is weaker than a code:
Plus 4 more in the finder.
Other car makes
Other car makes
Compare Audi with Volkswagen, BMW, Toyota or Mercedes-Benz and you will often find a different code or chemistry. Our coolant mixing guide explains the risk of topping up across them, and the index of car makes has the rest.
Ready to buy?
Ready to buy?
Our best coolant for VW & Audi page puts the genuine coolant and the aftermarket products that list a matching code side by side, with buying links. It is not a test or ranking.
Frequently asked questions
What coolant does an Audi e-tron use?
Audi's bulletin says only G12evo may be used in the e-tron.
When did Audi switch to G13?
Audi's bulletin lists G13 from the 2008 model year and G12evo from the 2019 model year.
Can I mix G11 with newer Audi coolant?
Audi's bulletin says G11 mixed with later fluids turns brown. Flush instead.
Is Coolant.com affiliated with Audi?
No. We are independent of Audi.
Audi coolant part numbers and spec codes
Below: the numbers printed on the Audi parts listings we cite. Treat them as search terms and check them against your manual.
Audi spec codes listed by coolant makers
| Code | Products listing it | Example (maker's page cited on the product page) |
|---|---|---|
| VW TL 774-G | 7 | OEM Extended Life EURO I Antifreeze/Coolant |
| VW TL 774-F | 4 | OEM Extended Life EURO II Antifreeze/Coolant |
| VW TL 774-D | 4 | OEM Extended Life ORANGE Antifreeze/Coolant |
| VW TL 774 (variant not stated) | 3 | Prestone MAX All Vehicles Antifreeze + Coolant |
| VW TL 774-C | 1 | Xstream G48 Antifreeze & Coolant Concentrate |
| VW TL 774-L | 1 | febi Coolant G12evo |
| VW TL 774-J | 1 | Zerex G40 Antifreeze Coolant |
Repair manuals & accessories
Repair manual for your car
Haynes repair manual for Audi
Step-by-step procedures, including draining, refilling and bleeding the cooling system. Manuals cover specific models and years: check the coverage on the cover before you buy.
Examples of the tool type, not a test or ranking by us. Check fit and instructions before you buy. See the full cooling system tools guide.
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How we source this page
- Facts come from manufacturer pages, datasheets, owner's manuals and standards bodies, linked under Sources.
- We do not test products, and no brand pays to be listed or ranked. Advertising and affiliate links are labelled and never change the data.
- Anything we could not find is marked "not published" rather than guessed. Spotted an error? Tell us.
Sources
Sources
- febi: Coolant G12evo product information
- Valvoline Zerex G40 product information sheet
- Audi TSB: coolant generations and G12evo (NHTSA)
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