Audi R8 2010 - Gasoline

Fuel supply and filling your fuel tank
Fuel supply and filling your fuel tank
Gasoline
Fuel supply
Using the right fuel helps keep the environment clean and
prevents engine damage.
Fuel recommendation
The f uel recommended for your vehicle is unleaded premium grade
gasoline. See also :::::>
page 244, "Dat a". Audi recommends using TOP
TIER Detergent Gasoline with a minimum octane rating of 91 AKI (95
RON). For more inform at ion on TOP TIER Det ergent Gasoline, please
go to the official website (www.topt iergas .com) .
The recommended gasoline octane rating for your engine can also be
found on a labe l located on the inside of t he fue l fille r flap. This rat ing
may be specified as AKI or RON.
Your vehicle may also be operat ed using unleaded reg ular gas oline
with a minim um octane rating of87 AKI/91 RON. However, using 87
AKI/91 RON octane fue l will slig htly reduce engi ne performance.
Use unleaded gasoline only . Unleaded gaso line is available
througho ut the USA, Canada, and in most Europea n count ries. We
reco mmend t hat you do not t ake your vehicle t o areas or coun t ries
where unleaded gasoline may not be availab le.
For more informa ti on on refueling your vehicle, see :::::>
page 1 79 .
Octane rating
Octane ratin g indicat es a gaso line's ability to res ist eng ine damaging
"knock" caused by premature ignition and detonat ion. Therefore,
buying t he correct grade of gasol ine is very imp ort ant to help prevent
poss ible engine damage and a loss of eng ine performance .
Gasoline most common ly used in the United States and Canada has
the following octa ne rat ings that can usually be fou nd on th e filler
pum p:
• Premium Grade: 9 1 - 96 AKI
• Regular Grade: 87 - 90 AKI
Explanation of the abbreviat ions:
AKI= Anti Knock I ndex= (R+M)/2 = (RON+MON)/2
RON = Research Octane Number
MON= Mot or Octane Number.
0 Note
• Do not use any fuel wit h octane rat ings lower t han 87 AKI or 9 1
RON othe rwise expens ive engine da mage will occur.
• Do
not use leaded gasoline! The use of leaded gaso line will
severely damage your vehicle's cata lytic convert er and it s ab ility t o
cont rol exhaust emissions . •
Blended gasoline
Use of gasoline containing alcohol or MTBE (methyl
tertiary butyl ether)
You may use unleade d gasoline blended with alco hol or MTBE
(common ly refe rred to as oxygena t es) if the blende d mixt ure meets
the following criter ia:
Blend of gasoline methanol (wood alcohol or methyl alcohol)
• Anti-knock index must be 87 AKI or higher.
• Blend must cont ain no more tha n 3% metha nol.
• Blend must contain more than 2% co-solvents.
Blend of gasoline and ethanol (grain alcohol or ethyl alcohol)
• Ant i-knock index must be 87 AKI or higher.
• Blend must not cont ain more t han 10% et hanol.