I was also surprised that extra weight didn't kill my fe on
last year's trip to Romania. The car had 5 people and a bunch of cargo, filled to its weight limit (over 2 tons). The coasts were long, but the acceleration was noticibly slower. Lots of steep climbs with multiple switchbacks and I still managed 4.2 l/100km, much less than I got in everyday driving.
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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