2021 Audi A4 / S4 — Owner's Manual – Page #219

Posted on 12 Oct, 2020
Model: 2021 Audi A4 / S4
Pages: 304


File size: 108 MB

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8W1012721BC
Checking
and
Filling
Checking
and
Filling
Fuel
Types
of
gasoline
The
correct
gasoline
grade
is
stated
on
the
inside
of
the
fuel
filler
door.
The
vehicle
is
equipped
with
a
catalytic
converter
and
must
only
be
driven
with
unleaded
gasoline.
Audi
recommends
using
TOP
TIER
Detergent
Gas-
oline.
For
additional
information
on
TOP
TIER
De-
tergent
Gasoline,
visit
www.toptiergas.com.
The
individual
gasoline
grades
are
differentiated
by
octane
ratings.
This
value
is
given
with
(R
+M)/2
equating
to
AKI
or
in
RON.
The
headings
below
match
the
sticker
in
the
fuel
filler
door
(examples):
UNLEADED
FUEL
ONLY
MIN.
(R+M)/2
87
Regular
/
MIN.
RON
91
Regular
Use
regular
gasoline
with
minimum
87
AKI
/
91
RON
>
©.
Audi
recommends
using
premium
gasoline
with
minimum
91
AKI
/
95
RON
to
achieve
the
rated
horsepower
and
torque.
UNLEADED
FUEL
ONLY
PREMIUM
MIN.
(R
+M)/2
91
/
SUPER
MIN.
RON
95
Using
premium
gasoline
with
minimum
91
AKI
/
95
RON
is
recommended.
If
premium
gasoline
is
not
available,
you
can
also
use
regular
gasoline
87
AKI
/
91
RON.
However
this
does
reduce
the
engine
power
slightly.
UNLEADED
FUEL
ONLY
PREMIUM
MIN.
(R
+M)/2
93
/
SUPER
PLUS
MIN.
RON
98
Using
premium
plus
gasoline
with
at
least 93
AKI
/
98
RON
is
recommended.
If
no
premium
plus
gasoline
is
available,
you
can
also
use
premium
gasoline
with
91
AKI
/95
RON.
However
this
does reduce
the
engine
power
slightly.
CG)
Note
Filling
the
tank
just
one
time
with
leaded
fuel
or
other
metallic
additives
will
cause
permanent
deterioration
to
the
catalytic
converter
function.
When
gasoline
with
an
octane
rating
that
is
too
low
is
used,
high
speeds
or
heavy
engine
load
can
lead
to
engine
damage.
@
Tips
The
vehicle
may
be
filled
with
fuel
that
has
a
higher
octane
rating
than
what
is
required
by
the
engine.
Gasoline
mixture
Gasoline
with
alcohol
or
MTBE
(Methyl-Tert-
Butyl-Ether)
You
can use
unleaded
gasoline
mixed
with
alco-
hol
or
MTBE
(generally
labeled
as
oxygenated
compounds)
as
long
as
the
fuel
meets
the
follow-
ing
conditions:
Gasoline
with
methanol
content
(methyl
alco-
hol
or
methanol)
Anti-Knock
Index
is
at
least
87
AKI
—No
more
than
3%
methanol
More
than
2%
solvent
Gasoline
with
ethanol content
(ethyl
alcohol
or
ethanol)
Anti-Knock
Index
is
at
least
87
AKI
—No
more
than
15%
ethanol
Gasoline
with
MTBE
content
Anti-Knock
Index
is
at
least
87
AKI
—No
more
than
15% MTBE
Gasoline
adapted
to
the
season
Many
gasoline
fuels
are
adapted
to
the
seasons.
When
the
season
changes,
refueling
at
high-traf-
fic
gas
stations
is
recommended.
It
is
more
likely
that
the
gasoline
will
be
suitable
for
the
season
there.
@)
Note
Gasoline
with
methanol
content
that
does
not
meet
the
specified
conditions
may
cause
>
217

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