Cheap Petrol & Diesel Prices Near M4 Motorway

London to South Wales

Live Petrol Prices in M4 Motorway

Asda

1.48

Longwood Drive, Cardiff

Petrol£1.48
Diesel£1.64
Updated 25m

Esso

1.50

156 Hagley Road, Dudley

Petrol£1.50
Diesel£1.68
Updated 25m

Murco

1.50

Jacksons Service, Basingstoke Road, Spencers Wood, Reading, Rg7 1af

Petrol£1.50
Diesel£1.70
Updated 4h

BP

1.59

Reading Road, Wokingham

Petrol£1.59
Diesel£1.77
Updated 4h

Sainsbury's

1.56

Gravenchon Way

Petrol£1.56
Diesel£1.75
Updated 4h

Asda

1.55

Cowbridge Bypass, Cowbridge

Petrol£1.55
Diesel£1.72
Updated 25m

Shell

1.56

Churchbridge

Petrol£1.56
Diesel£1.68
Updated 4h

Tesco

1.44

106 Bitton Park Rd, Teignmouth

Petrol£1.44
Diesel£1.63
Updated 4h

Asda

1.52

Stow Road, Moreton-In-Marsh

Petrol£1.52
Diesel£1.67
Updated 25m

BP

1.50

457 Stratford Road

Petrol£1.50
Diesel£1.70
Updated 4h

Shell

1.60

Horton Cross, Ilminster

Petrol£1.60
Diesel£1.69
Updated 4h

Asda

1.50

Park Road, Faringdon

Petrol£1.50
Diesel£1.65
Updated 25m

Asda

1.53

332/334 Charminster Road, Bournemouth

Petrol£1.53
Diesel£1.68
Updated 25m

Asda

1.53

Stubbington Lane, Fareham

Petrol£1.53
Diesel£1.69
Updated 25m

Asda Express

1.57

Locking Moor Road, Locking, Weston-Super-Mare

Petrol£1.57
Diesel£1.71
Updated 25m

Asda

1.52

Unit A1, North Swindon District Centre, Swindon

Petrol£1.52
Diesel£1.68
Updated 25m

Asda

1.81

Junction 8, M5, Strensham

Petrol£1.81
Diesel£1.94
Updated 25m

Asda

1.46

Oxford Road, Banbury

Petrol£1.46
Diesel£1.60
Updated 25m

Asda

1.52

A303 West Bound, Weyhill Road, Weyhill

Petrol£1.52
Diesel£1.74
Updated 25m

Asda

1.54

Crown Lane, Waresley

Petrol£1.54
Diesel£1.68
Updated 25m

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 £1.53 per litre, with diesel averaging £1.69 per litre. The cheapest petrol in M4 Motorway is currently at Tesco, 106 Bitton Park Rd, Teignmouth, priced at £1.44 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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