Writing about the
Pirelli P Zero Winter given
80% (275-35-20-)
Driving on
mostly town for 1000
average miles
Tire size 245/40 R20 & 275/35 R20 fitting G12 7er
Superior noise control than Sottozero 3 and Michelin X-ice. Amazing comfort, in comparison among whatever runflats or non-runflats. Very good winter tires for limos.
Performance is a bit of disappointing. There’s no magic for winter tires putting down all 590 lb-ft torque on snowy days, even M760i is all-wheel drive, which they are supposed to be. Lateral grip on dry road is pretty good, bringing the confidence and feeling when cornering with summer tires back to winter days. Ice grip is poor while the grip on packed snow is even worse. Wet grip is not quite decent either.
Would definitely repurchase for the comfort a limo just need. But in scope of performance, think twice on the trade-off: snow/ice grip, which are the definitive advantage of winter tires over summer tires, for summer tire-class (P0 PZ4 runflat? Definitely not Michelin PS 4 S class) lateral grip on dry roads.
Conclusion:
Pros: Awesome comfort and noise control; good lateral grip and responsiveness
Cons: Poor ice grip and snow grip.