I recently acquired a 1990 Audi 80 and I'm unsure of which fuel grade to use. Can anyone advise me on the most suitable fuel grade for this model?
ReplyThe 1990 Audi 80 was designed to run on regular unleaded fuel (87 octane). Stick to this grade for optimal performance and engine longevity.
While regular unleaded fuel is recommended, some drivers have reported that using premium fuel (93 octane) can improve engine performance and fuel economy. However, this may vary depending on driving habits and conditions.
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