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Petrol Prices in Devon

Average today: unleaded 165.2p · diesel 183.2p · UK average 167.7p / 189.2p

Checked 10 September 2026 · retailer-reported prices, changes filed within 30 minutes
Devon trend: Unleaded ▲ 1.3p · 7d · Diesel ▲ 2.3p · 7d
The cheapest unleaded in Devon today is 160.9p at Tesco, Barnstaple Retail Park. Filling a 55-litre tank at the cheapest station instead of the priciest saves about £6.60.

Cheapest Unleaded First

CheapestSet 09 Sep · Checked today
Tesco Barnstaple Retail Park, EX31 2AS
UNLEADED
160.9p
DIESEL
181.9p
Save up to £6.60 on a tank
Set 24 Aug · Checked today
BP Reckleford, BA21 4EH
UNLEADED
160.9p
DIESEL
180.9p
Save up to £6.60 on a tank
Set 07 Sep · Checked today
BP Salterton Road, EX8 2NE
UNLEADED
165.9p
DIESEL
187.9p
Save up to £3.85 on a tank
Set 01 Sep · Checked today
Gulf Knowle Garage, EX33 2NA
UNLEADED
172.9p
DIESEL
181.9p
Costs £6.60 more to fill up
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