The national minimum wage will rise by 17p to £5.52 per hour for adult workers aged 22 and over.
The development rate for young people aged 18-21 will become £4.60 per hour, an increase of 15p.
On the same day, the minimum wage for 16 and 17 year olds will go up 10p to £3.40 per hour.
The minimum national leave entitlement will also increase, from 20 days to 24 days.
Alec Murray, Retail Motor Industry Federation (RMIF) chairman, said: "The Government's decision to increase the national minimum wage will affect retail motor sector businesses and the pay levels they offer to some staff."