Esso Rontec Magor fuel prices

M4 JUNCTION 23, CALDICOT, NP26 3YL

Latest included price reported 20 Aug 2026, 11:10.

Filling a 55-litre tank here costs about £0.71 more than the local average for unleaded petrol (e10).

Latest reported prices at Esso Rontec Magor

Fuel	Price per litre	Local average	Difference
Unleaded petrol (E10)	161.9p	160.6p	+1.3p above average
Diesel (B7)	187.9p	183.5p	+4.4p above average
Premium petrol (E5)	181.9p	–	–
Premium diesel	207.9p	–	–

Local average is calculated across 5 stations within 5 miles of this forecourt.

Prices at this station changed 4 times in the last 30 days. Set a free price alert and we'll tell you the moment they fall.

Unleaded petrol (E10) prices at this station have held steady over the past week.

Diesel (B7) prices at this station have held steady over the past week.

Open 24 hours Toilets Water AdBlue pump

Opening hours: 24/7

You could pay 2.0p/litre less at Newport Chepstow Rd Esso Express (4.4 mi away) — about £1.10 per 55-litre tank.

Station	Distance	Petrol	Diesel
BP Nts Manor Garage Service Station NP26 3TA	2.7 mi	–	184.9p
Gulf Hillcroft Stores NP18 2JN	2.9 mi	160.0p	179.9p
Gulf Caldecot Fuel Express Automat NP26 4XB	3.6 mi	–	183.7p
Newport Chepstow Rd Esso Express NP19 9EZ	4.4 mi	159.9p	180.9p

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