Grocery Price Index

Diet Cola 50 products
Aug 2025
£5.07
Aug 2026
£5.09
+ £0.02
0.4% increase
vs Aug 2025

Diet Cola
Stores

33 products
+ £0.35
7.4% increase
vs Aug 2025
29 products
- £0.00
0% decrease
vs Aug 2025
30 products
+ £0.15
3.3% increase
vs Aug 2025
31 products
- £0.25
-4.3% decrease
vs Aug 2025
22 products
+ £0.21
5.8% increase
vs Aug 2025
18 products
+ £0.13
2.4% increase
vs Aug 2025
13 products
- £0.00
0% decrease
vs Aug 2025
23 products
- £0.10
-1.8% decrease
vs Aug 2025
8 products
- £0.00
0% decrease
vs Aug 2025
30 products
- £0.20
-3.3% decrease
vs Aug 2025

Diet Cola
Products

50 ProductsAug 2025Aug 2026Change
Pepsi Max No Sugar Cola Can (330ml)
£4.08£4.07 - £0.01
-0.2% decrease
Pepsi Max No Sugar Cola Can (330ml)
£10.53£11.10 + £0.57
5.4% increase
Coca-Cola Zero Sugar Can Coke (330ml)
£9.40£9.15 - £0.25
-2.7% decrease
Coca-Cola Zero Sugar (1.25l)
£1.66£1.52 - £0.14
-8.4% decrease
Pepsi Diet Cola Can (330ml)
£4.94£5.03 + £0.09
1.8% increase
Coca-Cola Zero Sugar (2l)
£2.31£2.28 - £0.03
-1.3% decrease
Pepsi Diet Cola Bottle (2l)
£2.04£2.12 + £0.08
3.9% increase
Pepsi Diet Cola Cans (330ml)
£9.87£10.22 + £0.35
3.5% increase
Diet Coke Bottle (500ml)
£1.75£1.77 + £0.02
1.1% increase
Coca-Cola Zero Sugar Cans (330ml)
£4.28£4.37 + £0.09
2.1% increase