Overview
- Aldi topped Which?’s 71‑item basket in September at £122.77, edging Lidl by £1.18 (£123.95).
- Waitrose was the priciest for the small shop at £167.19 and also for the larger trolley at £531.39.
- For a 186‑item shop, Asda was cheapest at £465.66, undercutting Tesco with Clubcard at £472.45, with Aldi and Lidl excluded due to smaller ranges.
- Which?’s monthly comparison uses fixed baskets, includes loyalty and special‑offer prices, and excludes multibuys.
- Based on the 71‑item basket, Which? indicates a Tesco shopper could save about £192 a year by switching to Aldi.