Cheap Petrol & Diesel Prices Near M4 Motorway

London to South Wales

Live Petrol Prices in M4 Motorway

BP Marlborough

1.60

Frasers Budgens, Hertford Road, Marlborough, Sn8 4fd, Marlborough

Petrol£1.60
Diesel£1.84
Updated 1h

Asda

1.53

Oxford Road, Banbury

Petrol£1.53
Diesel£1.85
Updated 14m

Asda

1.59

332/334 Charminster Road, Bournemouth

Petrol£1.59
Diesel£1.90
Updated 14m

Asda

1.56

Longwood Drive, Cardiff

Petrol£1.56
Diesel£1.80
Updated 14m

Texaco

1.56

1704 Pershore Road, Kings Norton, Birmingham

Petrol£1.56
Diesel£1.83
Updated 1h

Asda

1.58

Park Road, Faringdon

Petrol£1.58
Diesel£1.84
Updated 14m

Asda

1.86

Junction 8, M5, Strensham

Petrol£1.86
Diesel£2.00
Updated 14m

Asda

1.61

Cowbridge Bypass, Cowbridge

Petrol£1.61
Diesel£1.90
Updated 14m

Gulf

1.60

Parkway Garage, Parkway, Ledbury, Hr8 2jd, Ledbury

Petrol£1.60
Diesel£1.90
Updated 1h

Asda

1.56

Stow Road, Moreton-In-Marsh

Petrol£1.56
Diesel£1.84
Updated 14m

Asda

1.60

Crown Lane, Waresley

Petrol£1.60
Diesel£1.93
Updated 14m

Esso

1.60

86 Gosport Road, Fareham

Petrol£1.60
Diesel£1.93
Updated 14m

Texaco

1.59

Valley Heights Filling Station, Dowlais, Merthyr Tudful, Cf48 2ye, Merthyr Tudful

Petrol£1.59
Diesel£1.89
Updated 14m

Morrisons

1.56

MFG Morrisons Swansea, Morfa Retail Park, Swansea

Petrol£1.56
Diesel£1.79
Updated 1h

Esso

1.52

156 Hagley Road, Dudley

Petrol£1.52
Diesel£1.84
Updated 14m

BP

1.65

Trowbridge Road, Bath

Petrol£1.65
Diesel£1.92
Updated 1h

Asda

1.57

Unit A1, North Swindon District Centre, Swindon

Petrol£1.57
Diesel£1.83
Updated 14m

BP

1.60

80-86 Prestbury Road, Cheltenham

Petrol£1.60
Diesel£1.89
Updated 1h

Sainsbury's

1.59

Gravenchon Way

Petrol£1.59
Diesel£1.83
Updated 1h

Tesco

1.56

Wind Road, Ystradgynlais, Swansea

Petrol£1.56
Diesel£1.84
Updated 1h

Showing 20 stations in M4 Motorway. Prices updated regularly.

About Petrol Prices in M4 Motorway

We track 100 petrol stations in M4 Motorway. The current average petrol price in M4 Motorway is £1.59 per litre, with diesel averaging £1.85 per litre. The cheapest petrol in M4 Motorway is currently at Tesco, 106 Bitton Park Rd, Teignmouth, priced at £1.51 per litre. The most common fuel brands in M4 Motorway are Asda, Esso, BP. Supermarket forecourts in M4 Motorway — including Asda, Tesco, Sainsbury's and Morrisons — typically offer the lowest pump prices, often undercutting branded forecourts by 2–5p per litre. Prices are sourced from the UK Government fuel price reporting scheme and updated throughout the day.

How to Find Cheap Petrol in M4 Motorway

  • Compare live prices at every station near you using the map above.
  • Supermarket forecourts (Asda, Tesco, Sainsbury's, Morrisons) consistently offer the lowest pump prices.
  • Avoid filling up on motorways — motorway service station prices average 10–15p per litre above local forecourts.
  • Prices across M4 Motorway are updated throughout the day as stations report to the UK Government fuel price dataset.

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