Buk-M3:
-Has six missiles per TEL.Link
-Performance speculation
AM "Buk-M3" - further development of the complex and can be adopted in2009. as a complex military army air defense unit. To effectively countering possible threats from the air in the next 12-15 years when it is created using new technologies and developments. It is expected that the "Buk-M3" will be able to destroy air targets, operating at speeds up to 3000 m / s at a range of 2.5 -70 km and altitudes 0,015 -35 km. Antiaircraft battalion will target 36 channels.
So, no real improvement in range but definitely updated electronics.
Tor upgrade/9M338:
Link
Additional link
-Smaller, TEL can carry double the number of missiles. Says it has a ceiling of 10 km as well.
Says longer-ranged than normal Tor but doesn't give specifics
Manufacturer's site