150/60 -17 The Pirelli Rally street are THE best wet weather permorming tires asides from Michelins PR3 I have tried, the open tread pattern lets waterm gravel, oil, etc... Evacuate easily, it is Sillica rich and they last a fairly long time for how offroady and grippy they are, I even tried them on sand and not bad.
Usually a rear lasts 10 to 12000 before you need to replace it, depends on how many highway miles and if you carry a pillion or heavy luggage. They are worth it for a safe commute and some fun on the twisties. Winter or summer, these tires look cool and perform better than expected. I´ve been buying them for years.

Tires are noisy on lot road surface's just had xc70 for 5 weeks

Very grippy, not too noisy and gave me a very secure feeling on the road. Lasted well, too!

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inherited these almost new with car. H speed (up to 130mph) was a bit optimistic for a BMW X3 and in due course it blew out on the motorway - not sure why, maybe hit a sidewall. Had previously had 2 other punctures - not on the tire that blew out. Overall impression they were ok - but questionable wear after blow out, so wouldn't buy again.

Pirelli Scorpion str durability are fantastic !! I put these tires on the car with 56,000 km in June 2011. The car currently has 156,000 kilometers made ​​in June 2015. The rear tires are still the same ! 100,000 km !! and still have half the floor !! amazing! I'm not joking !!! 4 years! The front tires have been changed in the past year. Easily explained ! It is a front wheel drive car . They made 76,000 km ! amazing! I drive on asphalt and dirt track at moderate speeds(100-150) and high speed(180-210)... In wet conditions I advise not reach the limit only if you are an adventurous driver and very good driver but the tire fulfills its duty ! In dry conditions is an excellent ally and best friend! Floors with snow is not the best but not the worst !

Had these on my freelander td4 have lasted 3.6 yrs and 40,000 miles plus fronts need changeing rears 5mm left should last another year good in the wet good in the snow good in the dry have ordered two more will stay with these had them on my disco, and they have survived back roads beaches dirt tracks gravel tracks the farm pot holes motorway trips of 500 miles and more at a time used on work drive 6 days a wk sun rain or snow they get me there. Will stay with the pirelli scorpian str very good tire I'm happy

dry traction is fine, in the wet on asphalt, this "4 season" lacks compared to top summer tires, as can be expected. Wear is very low.

USED PIRELLI TYRES ON MY LORRIES YEARS AGO. MY VOLVO XC70 53 year WAS FITTED WITH 215 65 16. JUST CHANGED THE FRONTS AT 30.000 MILES
TONY BEVAN

I bought the Pirelli Scorpion STR after researching them which they stated you would get heaps of mileage out of them. Well, I only got 30,000 km out of them. I did look after them. I rotated my tires. Did everything right. I must admit the tires did wear evenly. I would not by them again.

Got exactly 50km on current set, Honda CRV with 95% tar road travel. Hard driver, but expected 60km due to good maintenance, however I'm satisfied.

I had these on my Disco II as all year tires, but ended up binning them after 14 months due to wear!

Very good tire. Had these on my X3 since new and they are now on 44K and they still all have a tad over 3mm left. The other surprising thing is they are really good in the snow (unlike the Bridgestone original fit on my last X3!). Only point to note is as the tread gets low they get a little noisier but I can live with that. Will buy again.

Had those tires for two years and drove smoothly and quitely for 50,000km now they are very noisy and rough with little cracks .
Their proce was very reasonable compared to other brands but i expected them to last longer.

Probably the best tires I've ever bought, had the last set for 4 years on 3 cars over all types of terrain and motorway. Taking into account the fact that the tire is 70/30 on to off road rating a very good all round tire. Extremely tough. I'm on my second set.

Bought the STR to replace the original Dunlop SP200s on my X-Trail. The SP200 lasted for 20,000 miles on the front. The STR has been on for 60,000. No negative comments at all. Plus I have put at least 10k towing miles on these.