Official data shows retail sales in Britain rose by 2.5 percent in the year to June while auto production jumped by 28.6 percent.
The two reports issued on Thursday indicated that consumers were still active despite a slow recovery from recession and uncertainty about the impact of planned cuts in government spending.
The Office for National Statistics said the value of retail sales was 0.1 percent higher than in May.
The Society of Motor Manufacturers and Traders said 72 percent of the car production was for export markets. Commercial vehicle production was up 25 percent from 2009's depressed level.