Live prices
Cheapest petrol and diesel prices in Devon
4 forecourts tracked in Devon (4 reporting unleaded (E10), 4 reporting diesel (B7), 4 reporting premium (E5), 2 reporting super diesel). Prices last refreshed at 10:31pm on 30 July 2026.
The cheapest reported unleaded petrol (E10) in Devon is 152.9p per litre at GULF, KNOWLE GARAGE, KNOWLE, BRAUNTON, DEVON. The average across 4 forecourts currently reporting this grade is 155.4p per litre, so choosing the cheapest rather than an average-priced forecourt saves about £1.25 on a 50-litre fill. That local average is 4.4p per litre below the UK average of 159.8p.
The average has risen 0.5p per litre since yesterday. The average has risen 4.0p per litre since last week.
Prices last refreshed at 10:31pm on 30 July 2026, supplied through the official UK Government fuel price open data scheme and checked every 30 minutes.
Unleaded Prices
Unleaded (E10)
- Highest
- 157.9p/lapprox. £7.18/gal
- Average
- 155.4p/lapprox. £7.06/gal
- Lowest
- 152.9p/lapprox. £6.95/gal
Diesel Prices
Diesel (B7)
- Highest
- 176.9p/lapprox. £8.04/gal
- Average
- 166.4p/lapprox. £7.56/gal
- Lowest
- 173.9p/lapprox. £7.91/gal
Premium Unleaded Prices
Premium Unleaded (E5)
- Highest
- 166.9p/lapprox. £7.59/gal
- Average
- 169.7p/lapprox. £7.71/gal
- Lowest
- 164.9p/lapprox. £7.50/gal
Super Diesel Prices
Super Diesel (SDV)
- Highest
- 189.9p/lapprox. £8.63/gal
- Average
- 169.4p/lapprox. £7.70/gal
- Lowest
- 148.9p/lapprox. £6.77/gal
All forecourts in Devon
152.9p/L
approx. £6.95/gal
Diesel B7
138.9p
approx. £6.31/gal
Premium E5
166.9p
approx. £7.59/gal
Super Diesel
148.9p
approx. £6.77/gal
TESCO
BARNSTAPLE RETAIL PARK, BARNSTAPLE, DEVON · EX31 2AS
Usually cheapest 2am to 7am, priciest 6pm to 11pm here
Directions154.9p/L
approx. £7.04/gal
Diesel B7
173.9p
approx. £7.91/gal
Premium E5
164.9p
approx. £7.50/gal
155.9p/L
approx. £7.09/gal
Diesel B7
175.9p
approx. £8.00/gal
Premium E5
175.9p
approx. £8.00/gal
Super Diesel
189.9p
approx. £8.63/gal
BP
RECKLEFORD, YEOVIL, DEVON, DEVON · BA21 4EH
Usually cheapest midnight to 5am, priciest 10pm to midnight here
Directions157.9p/L
approx. £7.18/gal
Diesel B7
176.9p
approx. £8.04/gal
Premium E5
170.9p
approx. £7.77/gal
Search near Devon
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Answers come straight from recorded official price data, refreshed every 30 minutes.
Cheapest reported unleaded
GULF
KNOWLE GARAGE, KNOWLE, BRAUNTON, DEVON
152.9p/L
Cheapest reported diesel
GULF
KNOWLE GARAGE, KNOWLE, BRAUNTON, DEVON
138.9p/L
By fuel grade in Devon
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Prices are sourced from official UK government fuel-price data (Open Government Licence v3.0). Updated every 30 minutes.
Questions about fuel prices in Devon
- What is the average petrol price in Devon?
- The average unleaded (E10) petrol price in Devon is currently 155.4p per litre (approx. £7.06/gal), based on live data from 4 forecourts reporting this grade. Prices are updated every 30 minutes from official UK government data.
- What is the average diesel price in Devon?
- The average diesel (B7) price in Devon is currently 166.4p per litre (approx. £7.56/gal). This is based on live data from forecourts in the area, updated every 30 minutes.
- Which is the cheapest petrol station in Devon?
- GULF at KNOWLE GARAGE, KNOWLE, BRAUNTON, DEVON currently has the cheapest reported unleaded petrol in Devon at 152.9p per litre (approx. £6.95/gal). Prices change regularly, so check this page for the latest.
- Which is the most expensive petrol station in Devon?
- According to official UK government fuel price data, BP (BA21 4EH) currently has the highest reported unleaded (E10) price in Devon at 157.9p per litre (approx. £7.18/gal). Prices are refreshed every 30 minutes, so this can change through the day.
- How do I find the cheapest fuel near Devon?
- Use the search box above to enter your postcode. fuel.co.uk will show you every forecourt ranked cheapest first, with live prices updated every 30 minutes from the GOV.UK Fuel Finder.