It's difficult to give a catch all. One of my favourite wines is 3.5 stars (Terra D'alter). Another one which I handily reviewed as 'Paint Stripper' is also 3.5. Blossom hill is 3.4. Anything over 4 is usually spot on. Digging through the comments is your best bet, you can get the idea. The...
I use the Vivino app. If you take a picture of a bottle of the wines label it gives you reviews, where you can buy it, best year and similar wines. That Cakebread Cellars is apparently one of the top 2% of wines in the world. I'd give it a go myself if I didn't have to spend £240 to find out if...
The good news is that you can get this in the UK here
https://agwines.com/cakebread-cellars-two-creeks-vineyards-pinot-noir-2013/?utm_medium=pref-cpc&utm_source=vivino-ppc
Bad news is that is 41 quid a bottle and you have to order 6.