Confirmed entries according only to press releases on the official btcc.net website.

Fabrizio Giovanardi Triple Eight Vauxhall Vectra
http://btcc.net/html/generalnews_detail.php?id=750
Matt Neal Triple Eight Vauxhall Vectra
http://btcc.net/html/generalnews_detail.php?id=778
Jason Plato Northern South SEAT Leon
http://btcc.net/html/generalnews_detail.php?id=815
Darren Turner Northern South SEAT Leon
http://btcc.net/html/generalnews_detail.php?id=815
Gordon Shedden Team Dynamics Honda Civic
http://btcc.net/html/generalnews_detail.php?id=802
Tom Chilton Team Dynamics Honda Civic
http://btcc.net/html/generalnews_detail.php?id=802
Colin Turkington West Surrey Racing BMW 320SI E90
http://btcc.net/html/generalnews_detail.php?id=817
TBA West Surrey Racing BMW 320SI E90
http://btcc.net/html/generalnews_detail.php?id=817
Mike Jordan Team Eurotech Honda Integra
http://btcc.net/html/generalnews_detail.php?id=789
Andy Jordan Team Eurotech Honda Integra
http://btcc.net/html/generalnews_detail.php?id=789
Harry Vaulkhard Robertshaw Racing Chevrolet Lacetti
http://btcc.net/html/generalnews_detail.php?id=813
TBA Robertshaw Racing Chevrolet Lacetti
http://btcc.net/html/generalnews_detail.php?id=813
Alan Taylor Robertshaw Racing Honda Integra
http://btcc.net/html/generalnews_detail.php?id=813
Michael Doyle Robertshaw Racing Honda Civic Type-R
http://btcc.net/html/generalnews_detail.php?id=813
Matt Jackson Jackson Motorsport BMW 320SI E90
http://btcc.net/html/generalnews_detail.php?id=821
TBA Motorbase Performance BMW 320SI E90
http://btcc.net/html/generalnews_detail.php?id=820
TBA Motorbase Performance BMW 320SI E90
http://btcc.net/html/generalnews_detail.php?id=820