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Petrol Prices in Merthyr Tydfil

Average today: unleaded 163.6p · diesel 185.2p · UK average 161.4p / 182.6p

Checked 23 August 2026 · retailer-reported prices, changes filed within 30 minutes
Merthyr Tydfil trend: Unleaded ▲ 0.4p · 7d · Diesel ▲ 0.6p · 7d
The cheapest unleaded in Merthyr Tydfil today is 161.9p at Asda, Dowlais Top. Filling a 55-litre tank at the cheapest station instead of the priciest saves about £1.65.

Cheapest Unleaded First

CheapestSet 10 Aug · Checked today
Asda Dowlais Top, CF48 2YF
UNLEADED
161.9p
DIESEL
181.9p
Save up to £1.65 on a tank
Set 20 Aug · Checked today
EG on the Move 3 - 3a Lower High Street, CF47 8EB
UNLEADED
163.9p
DIESEL
186.9p
Save up to £0.55 on a tank
Set 03 Aug · Checked today
Esso New Road, CF48 3DA
UNLEADED
164.9p
DIESEL
186.9p
Save up to £0.00 on a tank
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