After driving both, there is no chance an LP610 will beat an LP700 in the 60. Around the track, yes, but now there is the 700-4 SV. I ended up buying a LP700-4 after driving both of them.Also the 991 Turbo S does not do a 2.5. I got it to 2.6, once. Usually 2.7-2.9. Also, my P85D would be...