Tesco comes in cheapest in Grocer 33 shop, beating Asda by 20p

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Clubcard discounts on Kopparberg and Gü lines helped Tesco to the win

Tesco has picked up its first Grocer 33 win of the season, snatching victory from Asda by just 20p.

Tesco and Asda each boasted 13 cheapest items, and Asda had more exclusively cheaper SKUs than its Cheshunt rival. But these small wins weren’t quite enough for overall victory.

Clubcard discounts on branded items – including Kopparberg cider and Gü Zillionaire cheesecake desserts – helped Tesco to inch ahead.

Tesco also did the best job of holding back inflation this week. Its £64.52 total was up by 0.7% on last year and down 4.6% on last month.

The victory caps a great week for Tesco after Kantar figures revealed its largest monthly share gain since December. Its market share rose by 0.8 percentage points to 28.4% thanks to year-on-year sales growth of 7.4% [12 w/e 10 August 2025].

With its £64.72 basket just 0.3% more expensive than Tesco’s, Asda sold seven of the exclusively cheapest items including Petits Filous and Glade air freshener. Its basket cost 4.3% more than last year.

Tesco was 2.4% cheaper than Morrisons (£66.08). The Bradford retailer was exclusively cheapest on five lines, including both fruit SKUs.

Sainsbury’s came in fourth with a £67.23 basket that was 4.2% more expensive than Tesco. Nectar Prices provided the cheapest chicken korma ready meal, Nando’s Perinaise, Bahlsen biscuits and Colman’s chili con carne seasoning.

Waitrose’s basket was further from the mark than usual. Its basket cost 24.3% more than Tesco’s and it recorded the largest monthly (2.9%) and annual price (5.0%) rises this week.

Across the basket, minced beef recorded the biggest annual rise, with the price of a 500g packet up 39% to £5.61. Liquorice Allsorts had the biggest price fall – a 165g bag cost 11% less than a year ago.