I never gave any credence to any of these sites....they are pretty much all the same and a little googeling will find one for every car ever made. Even if it's just supported by one nutcase/unlucky SOB who happened to get the 1 100% crappy car.
The only car company where no problems were reported was RR, in the old days at least before the VW/BMW purchase disaster/comedy. They'd just fix EVERYTHING that ever went wrong on one of their handcrafted coaches no questions asked.....of course the purchase price was somewhat higher than $30K too
As far as Lemons go...every company/model has it's share. To me the important thing is how the company/dealer corrects things.
Personally I have never had one....even though I had
or still have:
1. 1981 Alfa Romeo GTV 625.....they are supposed to rust and never work electrically...

I fixed the admittedly scratchy 5-speed gearbox (partially caused by Alfas revolutionary drivetrain layout, by installing a 6 speed ZF gear box...which is slightly less scratchy and has that additional gear to make up for it

2. 1998 Dodge Ram 1500 5.9l ....trannys supposed to fail as you pull out of the lot...mine never needed anything other than Gas/Oil Changes in 79000 miles.
3. 2002 Dodge Ram 1500 5.9l ...see above and add tons of electrical gremmlins......mine had neither. Just got too pricey at the pump :-(