The consumer champion’s monthly analysis involved comparing the average price of a shop consisting of popular groceries at eight of the UK’s biggest supermarkets.
The groceries cost £111.66 on average at Aldi across the month. The same shopping costs £112.07 on average with Lidl’s loyalty scheme Lidl Plus and £112.33 without it.
In comparison, the same groceries cost £142.39 on average at Waitrose – a difference of £30.73 (28%) compared to Aldi.
The list of 62 items included both branded and own-brand items, such as Birds Eye Peas, Hovis bread, milk and butter. The analysis includes special offer prices and loyalty prices where applicable, but not multi-buys.
Tesco Clubcard members would have paid £122.26 on average – while without a Clubcard, the Tesco shop cost £125.09.
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For those using a Sainsbury’s Nectar card, October’s shopping list of items averaged £125.93, which is £14.27 more than at Aldi and still higher than the prices at Asda (£125.26) and Tesco (£122.26/£125.09). Without a Nectar card, the same items at Sainsbury’s cost £130.79.
For a bigger shop consisting of a list of 164 items, Asda was the cheapest at £418.71 and Waitrose was the most expensive, costing £461.10. However, Aldi and Lidl are not included in that comparison as they have a smaller range of products compared to the other supermarkets.
Harry Rose, editor of Which? magazine, said: “Our latest monthly analysis once again sees Aldi crowned as the UK’s cheapest supermarket. In the lead-up to the festive season, people are looking to cut costs where they can. Our analysis shows that by switching supermarkets, consumers could save 22%, highlighting the advantages of shopping around where possible.”
Sainsbury’s to rival Aldi prices in smallest stores
Sainsbury’s said it will match the price of up to 200 Aldi products in its smaller stores as it battles rivals to get more customers in its convenience stores.
Shopping locally for groceries normally means paying a lot more than at major supermarkets.
Sainsbury’s said its Aldi Price Match scheme would become available in 1,400 of its shops and would now include 800 smaller stores in addition to 600 supermarkets already.
The firm said Sainsbury’s Local stores would now carry up to 200 products price-matched to Aldi, including milk, bread, butter, pasta, rice, chicken and tuna.
Sainsbury’s claims to be the first big supermarket to extend its Aldi Price Match campaign across its convenience stores.
Simon Roberts, Sainsbury’s chief executive, said: “In our Sainsbury’s Locals, we’ve worked hard to offer market leading prices on essential items and popular breakfast, lunch and dinner staples.
“We have also refreshed our Local store layouts and rebalanced space, increasing the number of products in store by 7% and adding more food-on-the-move products – the primary mission of most convenience shoppers.
“When you’re shopping in Sainsbury’s Locals, you can be sure of excellent value, quality and choice. With Christmas just around the corner, we know that every penny counts and we are committed to helping our customers make the most of the festive season.”
