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Asda Loses Title of UK's Cheapest Supermarket to Aldi

2/4/2026

22 5 Full Breakdown

Summary

Story summary

Which? analysis shows Asda is no longer the UK's cheapest supermarket for a big shop, with Tesco averaging £588.96 in January (Clubcard) and Asda £590.41.
Aldi and Lidl were excluded from the larger comparison.
Aldi topped a shorter 89-item list at £164.74.
Which? editor Reena Sewraz notes Aldi is currently the cheapest option, though Tesco loyalty discounts are not universally accessible.

History

Historical Context

The UK supermarket landscape transformed significantly after the introduction of self-service shopping in the 1950s, leading to the rise of major chains like Tesco and Asda. By 2014, a price war emerged, with Tesco's sales declining by 3.7% while Aldi's market share grew to 4.8%. Today, Asda's analysis reveals it is no longer the cheapest, highlighting ongoing competitive pressures in the grocery sector.

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Story summary

Which? analysis shows Asda is no longer the UK's cheapest supermarket for a big shop, with Tesco averaging £588.96 in January (Clubcard) and Asda £590.41.
Aldi and Lidl were excluded from the larger comparison.
Aldi topped a shorter 89-item list at £164.74.
Which? editor Reena Sewraz notes Aldi is currently the cheapest option, though Tesco loyalty discounts are not universally accessible.

1 / 2