Gen 5 New Pokémon Viability by BST

Average BST of all new non-legendary Pokémon: 490
Viable Pokémon: 36/69 = 52.1739%

Serperior (Grass): 528
Emboar (Fire/Fighting): 528
Samurott (Water): 528
Watchog (Normal): 420
Stoutland (Normal): 490
Liepard (Dark): 446
Simisage (Grass): 498
Simisear (Fire): 498
Simipour (Water): 498
Musharna (Psychic): 487
Unfezant (Normal/Flying): 478
Zebstrika (Electric): 497
Gigalith (Rock): 505
Swoobat (Psychic/Flying): 425
Excadrill (Ground/Steel): 508
Audino (Normal): 445
Conkeldurr (Fighting): 505
Seismitoad (Water/Ground): 499
Throh (Fighting): 465
Sawk (Fighting): 465
Leavanny (Bug/Grass): 490
Scolipede (Bug/Poison): 475
Whimsicott (Grass): 480
Lilligant (Grass): 480
Basculin (Water): 460
Krookodile (Ground/Dark): 509
Darmanitan (Fire, Fire/Psychic): 480†*
Maractus (Grass): 461
Crustle (Bug/Rock): 475
Scrafty (Dark/Fighting): 488*
Sigilyph (Psychic/Flying): 490
Cofagrigus (Ghost): 483
Carracosta (Water/Rock): 495
Archeops (Rock/Flying): 567
Garbodor (Poison): 474
Zoroark (Dark): 510
Cinccino (Normal): 470
Gothitelle (Psychic): 490
Reuniclus (Psychic): 490
Swanna (Water/Flying): 473
Vanilluxe (Ice): 535
Sawsbuck (Normal/Grass): 475
Emolga (Electric/Flying): 428
Escavalier (Bug/Steel): 495
Amoongus (Grass/Poison): 464
Jellicent (Water/Ghost): 480
Alomomola (Water): 470
Galvantula (Bug/Electric): 472
Ferrothorn (Grass/Steel): 489
Klinklang (Steel): 520
Eelektross (Electric): 515
Beheeyem (Psychic): 485
Chandelure (Ghost/Fire): 520
Haxorus (Dragon): 540
Beartic (Ice): 485
Cryogonal (Ice): 485
Accelgor (Bug) - 495
Stunfisk (Ground/Electric): 471
Mienshao (Fighting) - 510
Druddigon (Dragon) - 485
Golurk (Ground/Ghost) - 483
Bisharp (Dark/Steel) - 490
Bouffalaunt (Normal) - 490
Braviary (Normal/Flying) - 510
Mandibuzz (Dark/Flying) - 510
Heatmor (Fire) - 484
Durant (Bug/Steel) - 484
Hydreigon (Dark/Dragon) - 600
Volcarona (Bug/Fire) - 550

†Only Darmanitan's standard forme was considered in calculation.
*Darmanitan and Scrafty are considered viable because of their outstanding single stats.