Compare Asda petrol and diesel prices across forecourts in and around Casnewydd, Gwent. Cheapest unleaded from 169.9p, diesel from 195.9p. Updated today, 23 October 2026.
| Forecourt | Unleaded | Diesel | Distance |
|---|---|---|---|
| ASDA CWMBRAN EXPRESS PETROL HENLLYS WAY |
169.9p | 195.9p | 4.5 mi |
| ASDA NEWPORT PILLGWENLLY SUPERSTORE LOWER DOCK STREET |
173.7p | 196.7p | 1.7 mi |
| ASDA NEWPORT SUPERSTORE PENCARN WAY - COEDKERNEW |
173.7p | 196.7p | 4 mi |
| ASDA CASNEWYDD EXPRESS PETROL 17-25 CHEPSTOW ROAD |
175.9p | 201.9p | 1.4 mi |
| ASDA STOW HILL EXPRESS PETROL STOW HILL |
177.9p | 201.9p | 2.2 mi |
| ASDA NEWPORT EXPRESS PETROL HIGHCROSS ROAD |
178.9p | 202.9p | 3.6 mi |