Good going, Sjoegerd
I'm sure you can beat not only 20 km/l, but even 25 with some aeromods (engine undertray, Kammback) and advanced techniques (EOC).
We are thinking about whether to get a Pug 106 for the wife if it turns out she will need to commute by car. Two main factors are that it is light and that the rear hatch is ideal for attaching a Kammback. Is your transmission a 4-speed or 5-speed?
I'm not sure if your commute will permit it, but I've found that leaving the car at home and biking saves a lot of fuel
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e·co·mod·ding: the art of turning vehicles into what they should be
What matters is
where you're going, not
how fast.
"... we humans tend to screw up everything that's good enough as it is...or everything that we're attracted to, we love to go and defile it." - Chris Cornell
[Old] Piwoslaw's Peugeot 307sw modding thread