new car deal

[windows 1]

hi I was wondering what my rights are regards a new car a quick summary is orderd new car on pcp deal back in August signed deal agreed price paid deposit tel call about 2 wks later unable to get colour I wanted offered new colour said I would pay differnce to get a different one i.e. metallic paint took my money said car was on order day b4 get call ( now over 4wks since initial order) stopped making that colour found out that they hadn't they just changed the engine size said I would except new engine said on order another 2wks later day of car arrival get phone call car has arrived but the price had gone up where do I stand ?