Motorway service station pumps charge ~189.9p/L. Exit at Junction 30 (Cardiff Gate Services / Cardiff East / A4232) and drive just 3.3 miles off the slip road to refuel from 171.9p (saving 18.0p per litre).
| Forecourt | Unleaded | Diesel | Off Slip Road |
|---|---|---|---|
| MORRISONS - MFG MORRISONS CARDIFF TYGLASS TY- GLAS ROAD |
171.9p | 196.9p | 3.3 mi |
| SAINSBURY'S - SAINSBURYS THORNHILL DISTRICT SHOPPING CENTRE |
172.9p | 198.9p | 3 mi |
| ASDA - ASDA PENTWYN SUPERSTORE 8 DERING ROAD, PONTPRENNAU |
173.9p | 197.9p | 0.2 mi |
| TESCO - ST MELLONS SUPERSTORE - PETROL FILLING STATION TESCO STORES LTD, CRICKHOWELL ROAD |
173.9p | 198.9p | 1.2 mi |
| MORRISONS - MFG MORRISONS CARDIFF NEWPORT ROAD IPSWICH ROAD |
173.9p | 198.9p | 2.6 mi |
| TESCO - CARDIFF PENGAM EXTRA - PETROL FILLING STATION TESCO EXTRA |
173.9p | 197.9p | 3.3 mi |
| ESSO - MFG CASTLETON NEWPORT ROAD |
174.9p | 199.9p | 2 mi |
| ESSO - MFG PREMIER NEWPORT ROAD |
174.9p | 199.9p | 2.8 mi |
| VALERO - MFG CARDINAL NEWPORT ROAD |
174.9p | 199.9p | 2.8 mi |
| SAINSBURY'S - SAINSBURYS COLCHESTER AVENUE COLCHESTER AVENUE |
174.9p | 198.9p | 2.9 mi |