Vauxhall Astra Owner's Manual page 260

Fuel cons umption,
CO e mis sions
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Directive 80/1268/EEC (last c hanged
by 1999/100/EC) has applied for the
measurement of fuel consumption
since 1996.
258
The direc tiv e is oriented to actual driving
practices: Urban driv ing is rated at approx.
1
/ and extra-urb an driving with approx .
3
2
/ (urban and extra-urban consum ption).
3
Cold starts and acceleration phases are
also tak en into consideration.
The specification of CO emission is also a
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constituent of the directive.
The figures given m ust not be taken as a
guarantee for the actual fuel consumption
of a p artic ular vehicle.
The calculation of fuel consumption as
spec ified by directive 1999/100/EC takes
acc ount of the v ehicle' s kerbweight,
ascertained in accordance with these
regula tions. O ptional extras ma y result in
slightly higher fuel consumption and CO
emission lev els than those quoted.
To conv ert l/100km into mp g, divide 282 by
number of litres/100km.
S aving fuel – see page 168.
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