Independent study finds that Aldi is 30 % cheaper than the big five retailers . Chain continues to undercut prices on everything from produce to pasta . A basket of 33 commonly bought items at Aldi costs a total of just £42.15 . This compares to Sainsbury 's where the same items are priced at £60.15 . Aldi 's year on year sales are up 5 % giving it a market share of 19.3 % .
Independent study finds that Aldi is 30 % cheaper than the big five retailers . Chain continues to undercut prices on everything from produce to pasta . A basket of 33 commonly bought items at Aldi costs a total of just £42.15 . This compares to Sainsbury 's where the same items are priced at £60.15 . Aldi 's year on year sales are up 19.3 % giving it a market share of 5 % .