Well I don't have a subscription to CR and I don't plan on getting one, so I can't decipher what 71 or 59 actually means, and knowing CR from previous reviews read I might conclude it is meaningless anyway.
Keep in mind that different size tires perform differently as well; those are with 215mm 17 inch tires and results for 245 /19 might be different. Yes it is the exact same tire, just a different size, but I have read that due to how the siping distances change, the tread block to spacing distances change, it can affect its performance. The mass of a car changes a tires performance also.
Just as important is how the tire performs after it has worn 20% or 50%. Some manufacturers have a dual compound rubber that performs very well when new but after 6 months of use it is a completely different tire when that soft, sticky, porous top layer is worn off. You don't know this from a tire review as it scored "93" but after 5000 miles if they tested it it it now would score "55". I would rather own a tire that got rated last at "80" but still was a "75" the next season. All tests should be done after a tire has 5000 miles/km of wear IMO.
What I feel gives more meaning is reading reports of real life car drivers who have used a tire for a whole winter season; a guy with say a Subaru WRX who has driven 20,000 on a winter tire, over 2 seasons, through various varieties of snow/slush/ice, and remembers and describes the differences to the 2 other winter tires he has owned.
Heres a review on Tirerack (225/17 size): If you read this test and see that the Continental Purcontact LS performed "second to last" on a wet track test, (click on the test result charts) it doesn't look that good anymore, does it? But what does 36.99 compared to 37.01 seconds mean? Nothing. A different driver might prefer the feel of the other tire and have completely different results. The Michelin Premier A/S is the overall winner here, and it is quieter and a better ride also. But I would buy the Michelin Pilot Sport A/S+ over the Premiers, and yet I own the Primacy for my summer tires. Yes, your favourite tire finished second overall; it got the silver ribbon. Take it all with a grain of salt.
https://www.tirerack.com/tires/tests/testDisplay.jsp?ttid=237
Having said that the consumer reviews of the tire in a 245/19 size look pretty good. But so do the owners reviews of the Nokian WRG4's; of which I own and will probably buy again.
