Responding in English, sorry, too late to think hard
Es muß ins Budget passen, welches auf rund 4k€ taxiert wird.
Wenn du bedenkst, was du an Betriebskosten sparen wirst im Vergleich zu Auto oder ÖPNV, solltest Du, gerade bei dieser Entfernung, 1-2kEUR extra in die Hand nehmen. Ansonsten wirds so, wie
@flandwehr sagt!
Ich empfehle einen 10 Jahre alten VW Golf.
Okay, fun! let's calculate.
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So I had to skip a little because of the low budget.
A €1000 VW Golf TDI will probably be 2003-2004 rather than 10 years old. That's a good thing, those old PD TDI's were quite reliable. I added a set of new tyres, because tyres are safety and new cheapos are probably safer than old, dry rubbers of the 5 owners before you.
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A €4000 budget for a VM doesn't really work either, especially not if you're going to buy the lowest DF or Milan on the market; you'll probably have to do some work and you'll probably want some mods too. So, you're stretching your budget anyway. I'd say take one step back and save through the year: 3000 might get you into a more than decent Quest, maybe even a Quest XS (they're quite fast and you'll fit in!) or an older Milan.
By the way, forgot to add to the calculation but don't forget to buy tubeless fluid. Even though you're running tubes, having fluid in them will probably save you the stress of changing tyres on the side of the road, and will allow you to run faster tyres than f.e. Marathons.
Already in this first year, however, you'll be able to take someone nice out to the Biergarten because you're saving €30 on the velomobile. That's even though I took the conclusion that you don't believe in tax or insurance.
For the end total, I corrected for costs that will not be attributed to transport, but will occur: After a day of cycling 150 km, I find every hidden bar in the house, especially if I do it 5 days a week. On the other hand, if you go for the Golf, unless you don't mind getting fat, you'll have to take a fitness first subscription ;-)
Es muß mich in die Lage versetzen, meinen Arbeitsweg von ca. 75km one-way in der Größenordnung 2h zu bewältigen. Und es soll alltagstauglich fahrbereit sein. "Standard"-Wartungsarbeiten sind kein Problem, strukturelle Probleme im Fahrwerk sind mangels VM-Erfahrung und kompetenter Hilfe in der Umgebung allerdings vorerst ein Showstopper. Angesichts der Straßen hier in Ostbrandenburg ist Heckfederung Pflicht.
Ich selber bin kein Riese, mit 1,72m eher in der Größenordnung eines Jack-Lee oder Kräuterbutter.
My 2 cents; if you can stretch the budget a little, find a Quest XS. I'd think it's the cheapest option, still has respectable speed, and the rear suspension with a Risse Astro 5 is wonderful in terms of both comfort and grip. If you're as light as you're tall, the cheaper Genesis will also be fine.
Concerning your wish for comfort: I wouldn't go with the racier velomobiles. I love the DF XL, it's like a kart, but I prefer staying away from harsh asphalt and speed bumps can be uncomfortable too. Concerning the Milan SL: If you have speedbumps on your route, make sure to test it there before you buy. Near one of my customers I have three extreme speedbumps where I literally have to get out of the DF, roll it over diagonally, get back in, cycle 200m to the next bump, and repeat. Properly annoying.
In Anbetracht der Randbedingungen kämen wohl in Frage: Evo-K/Ks, Milan SL oder GT, df mit oder ohne XL (wobei dfxl etwas grenzwertig sein könnte), oder natürlich alpha/after7.
I'd say Alpha/After 7: Forget it. Not available for this price, unless maybe you find one that's been in a heavy crash.
Evo-K/Ks: Probably also crashed.
Milan SL/GT: You won't find the latest one but you might find one of the older versions.
DF: Also on the limit, an early/ugly one might come up just over the edge of your budget.
About the advantage of the more modern velomobiles over a Quest/Quest XS: As far as I'm concerned the biggest strength of the DF is it's incredible stiffness. The latest Milan GT is also properly quick because of this - during acceleration there is little to no body flex. However, if you don't have to do a lot of stops and starts, a cheaper, but less rigid velomobile might still be interesting: It might be more difficult to accelerate but the cruise speed is influenced more by aerodynamics than by "transmission loss".
