ALDI has been crowned Britain’s cheapest supermarket for the latest monthly shopping basket study, beating rival discounter Lidl to the top spot once again.
Consumer champion Which? compared the price of 93 popular grocery items across eight major supermarkets and found Aldi came out on top with a total bill of just £158.05.
Lidl followed close behind in second place, with the same shopping list costing £160.70 – just £2.65 more than Aldi.
But it was further down the table where the real surprises emerged, with Asda beating both Tesco and Sainsbury’s loyalty card prices without shoppers needing to sign up to anything.
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The Which? study found Asda’s everyday prices totalled £185.81, cheaper than both major rivals even when they applied their loyalty discounts.
Sainsbury’s Nectar card prices came to £187.86, narrowly beating Tesco’s Clubcard total of £188.45 by just 59p.
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Morrisons and Tesco without a Clubcard tied for the same total, with shoppers paying £195.63 at both stores for the identical basket of goods.
Shoppers without a loyalty card at Sainsbury’s fared far worse, with prices reaching £197.85 – among the most expensive in the entire study.
Ocado came in as the second most expensive supermarket overall, with the same 93 items costing £209.40, which is 32% more than at Aldi.
Waitrose retained its title as Britain’s priciest supermarket, with shoppers forking out a staggering £226.95 for the same shopping list.
That means Waitrose customers are paying 44% more than Aldi shoppers for comparable groceries, a gap of almost £69.
The monthly study includes a mix of own-brand and branded products, from milk and cheese to Hovis sliced bread, to give a realistic picture of weekly shopping costs.
Which? said the results prove that where people choose to shop, and whether they remember their loyalty card, can make a dramatic difference to their bill.
Reena Sewraz, Which? Retail Editor, said the findings should encourage shoppers to think carefully about where they do their weekly shop.
She said: “While inflation remains stable for now, many households will be worried about prices going up in the coming months.”
Sewraz added: “The discounters are still the cheapest supermarkets, while Asda beats Sainsbury’s and Tesco’s loyalty scheme prices according to our analysis.”
Which? said 25 products were on loyalty discount at Sainsbury’s during the study period, while Tesco had 23 items reduced for Clubcard holders.
By contrast, there were no loyalty discounts available at all at Morrisons, Waitrose or Lidl on the products included in the analysis.
The consumer group carries out the price comparison every month, using a rotating basket of some of Britain’s most popular grocery items based on sales data.
