Hello everyone, i am looking for the perfect oil for my vehicles. So far i am using 0w40 Mobil 1 new life in my Fiat Cinquecento and some unknown old oil (Probably selenia something) in the Lancia Thema i recently bought. It has not been driven since and will not without undergoing an oil change.
Ok car number one i need a recommendation for:
1. What kind of vehicle you have
Fiat Cinquecento 1.1 Sporting, my one and only
2. What your owner's manual says -- not just viscosity, but certifications (look for acronyms like API SM, ILSAC GF-4, etc.) and change intervals as well
between 5w40 and 15w40 i think, no certifications specified afaik.
3. Where you live
Germany
4. How you drive (easy? hard? fast? slow?)
Sportive, but always looking at the revs, not revving over when the car is cold, aka oil temperature below 90 Degrees Celsius. And slow down if i manage to get over 140 degrees on the highway on really hot summer days.
Sometimes doing hourlong full-throttle runs on the highway too or always driving at more than 5k rpm when doing sportish events on fiat-meetings.
5. What your daily drive is like (short trips? long trips? city? highway?)
Both short city rounds where the engine won't even get warm (trying to preheat with an independent webasto heater) and long stressful roadtrips on the highway or on country roads. Mainly city trips, but the majority of kilometers is done on the highway. Always carrying a lot of load with me, roofbox and things.
6. Whether your car has any known problems
Nope.
Additional stuff:
The engine is a 1.1Liter 8V OHC freerunner with 312000 kilometers. The engine has never been opened, first headgasket and all. I want to drive this engine until it has at least 1 million kilometers, or for the rest of my life, whatever comes first. I drive in every weather and under any condition and i often let it run in idle for long times. For example when sleeping on a road trip in the winter.
Before i switched oils to Mobil1 new life 0w40 it ran on 10w40 shell diesel oil for most of the time. Since i switched, it consumed less (!) oil and started better on really cold days (>-10 degrees)
Second car:
1. What kind of vehicle you have
Lancia Thema 2L 8V
2. What your owner's manual says -- not just viscosity, but certifications (look for acronyms like API SM, ILSAC GF-4, etc.) and change intervals as well
I'm sorry, i do not know that yet, i have only just bought this car to save it from the scrapyard. I'm in love 
3. Where you live
Germany, as mentioned before 
4. How you drive (easy? hard? fast? slow?)
This car will stand in a garage or open parking spot 90% of the times, it is only meant to be cruised around on really nice summer days.
5. What your daily drive is like (short trips? long trips? city? highway?)
Long trips in nice weather, always keeping an eye on the rev meter and the water temperature of course. No revving past 3k before it reached 70 degrees.
6. Whether your car has any known problems
I do not know of any so far, other than that the engines is slightly sweating out some oil.
Intervals are always 15000 km or one year to me.
3. Where you live
Germany, as mentioned before
4. How you drive (easy? hard? fast? slow?)
This car will stand in a garage or open parking spot 90% of the times, it is only meant to be cruised around on really nice summer days.
5. What your daily drive is like (short trips? long trips? city? highway?)
Long trips in nice weather, always keeping an eye on the rev meter and the water temperature of course. No revving past 3k before it reached 70 degrees.
6. Whether your car has any known problems
I do not know of any so far, other than that the engines is slightly sweating out some oil.
Intervals are always 15000 km or one year to me.
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Most engines will consume some oil when revved high for extended periods of time.
Disregard my high mileage oil comment. The concept probably does not exist in Europe anyway. 
