Originally Posted by Slaninar

I've had my (main commuter, do it all, Mule) bicycle for 3 and a half years. Up to date, total cost of purchase, plus maintenance has been around 460 euros. I do around 4000 kilometers per year on that bike.

That makes it:

460 euros/12,000 kilometers = roughly 4 cents per kilometer.

My estimate, unless it gets stollen or totalled by a car, this bike should last around a decade, with below 5 e per month maintenance. I write everything down, so we'll see.