Cheapest supermarket of 2023 revealed

Aldi has been crowned the cheapest supermarket of 2023, beating its rival Lidl, according to consumer group Which?

December’s results show a basket of 43 groceries was £74.83 at Aldi, narrowly cheaper than at Lidl where it cost £76.74.

Aldi was the cheapest supermarket for 11 months of the year, with Lidl beating the rival discounter for one month in October, the consumer group said.

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Waitrose came in nearly £20 more expensive than Aldi last month at £94.94, and Which? found it was the most expensive supermarket each month of 2023.

Cheapest supermarket for basket of 43 items

The watchdog said the findings demonstrated that shoppers could make considerable savings depending on where they bought their groceries.

Which? retail editor Ele Clark said: “With food prices continuing to put immense pressure on household budgets, it’s no surprise to see many people turning to discounters like Aldi and Lidl.

Which? also compared the cost of a larger trolley of more than 100 items each month. Aldi and Lidl are never included in this comparison as they do not always stock some branded products.

Asda was the cheapest supermarket for a larger trolley for 11 months of the year, apart from in July when Morrisons came out top.

Cheapest supermarket for trolley of 131 items

In December, the larger trolley contained 131 items, including the same 43 as the smaller basket.

The analysis included special offer prices but not loyalty discounts or multi-buy products, as the consumer champions argued these deals were only available to people prepared to sign up to the scheme, but not every consumer can do so, for example if they aren’t comfortable with loyalty apps or don’t own or can’t use the right technology to run them.

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Julie Ashfield, managing director of buying at Aldi, said: “We are committed to providing shoppers with the best quality products at the lowest prices and it’s great to have that officially recognised by a highly respected consumer champion, such as Which?”

A Waitrose spokesperson said: “We invested a record amount of £100m in price cuts without compromising on the quality, taste and highest animal welfare standards our customers expect from us.”

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