| 16 Products | Dec 2024 | Dec 2025 | Change |
| M&M's Crunchy Peanut & Milk Chocolate Sharing Bag (200g) | £2.77 | £3.03 | + £0.26 9.4% increase |
| | £2.55 | £3.08 | + £0.53 20.8% increase |
| | £2.75 | £2.95 | + £0.20 14% increase |
| | £3.25 | £4.00 | + £0.75 17.2% increase |
| | £2.35 | £2.35 | £0.00 13.6% increase |
| | £2.82 | £3.65 | + £0.83 17.2% increase |
| | £2.55 | £2.85 | + £0.30 16.2% increase |
| | £3.45 | £2.95 | - £0.50 10.6% decrease |
| | £2.75 | £2.95 | + £0.20 10.3% increase |
| | £2.49 | £2.49 | £0.00 9.4% increase |
| M&M's Crunchy Peanut & Milk Chocolate Block Sharing Bar (165g) | £1.89 | £1.89 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £1.49 | £1.49 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £2.10 | £2.10 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| M&M's Selection Box (139g) | £2.51 | £2.55 | + £0.04 1.6% increase |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £3.25 | £3.50 | + £0.25 2.9% increase |
| | £2.50 | £2.50 | £0.00 2.2% increase |
| | £2.00 | £2.00 | £0.00 2% increase |
| | £2.75 | £2.75 | £0.00 1.9% increase |
| | £2.07 | £2.07 | £0.00 1.6% increase |
| M&M's Milk Chocolate Block Sharing Bar (165g) | £2.84 | £2.84 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| | £1.49 | £1.49 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £2.30 | £2.30 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £7.50 | £7.50 | £0.00 No change |
| M&M's Crunchy Caramel Chocolate Bar (165g) | £2.01 | £2.01 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| | £1.49 | £1.49 | £0.00 No change |
| | £2.00 | £2.00 | £0.00 No change |
| | £2.30 | £2.30 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| M&M's Hazelnut Pieces & Milk Chocolate Block Sharing Bar (165g) | £1.98 | £1.98 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £1.15 | £1.15 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| M&M's Salted Caramel Chocolate Pouch Bag (102g) | £1.02 | £1.02 | £0.00 No change |
| | £1.00 | £1.00 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| | £0.90 | £0.90 | £0.00 No change |
| | £0.69 | £0.69 | £0.00 No change |
| M&M's Chocolate Ice Cream (500ml) | £2.45 | £2.45 | £0.00 No change |
| | £3.25 | £3.25 | £0.00 No change |
| | £2.55 | £2.55 | £0.00 No change |
| | £2.50 | £2.50 | £0.00 No change |
| | £1.50 | £1.50 | £0.00 No change |
| M&M's Mix Chocolate Pouch Bag (128g) | £1.12 | £1.12 | £0.00 No change |
| | £1.00 | £1.00 | £0.00 No change |
| | £1.25 | £1.25 | £0.00 No change |
| | £1.10 | £1.10 | £0.00 No change |
| M&M's Loaded Chocolate Brownies () | £2.50 | £2.49 | - £0.01 -0.4% decrease |
| | £2.00 | £1.98 | - £0.02 -1% decrease |
| | £2.50 | £2.50 | £0.00 -0.4% increase |
| | £2.99 | £2.99 | £0.00 -0.4% increase |
