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Petrol Prices in Merthyr Tydfil

Average today: unleaded 168.9p · diesel 192.6p · UK average 167.7p / 189.2p

Checked 10 September 2026 · retailer-reported prices, changes filed within 30 minutes
Merthyr Tydfil trend: Unleaded ▲ 3.7p · 7d · Diesel ▲ 4.0p · 7d
The cheapest unleaded in Merthyr Tydfil today is 165.9p at Asda, Dowlais Top. Filling a 55-litre tank at the cheapest station instead of the priciest saves about £2.75.

Cheapest Unleaded First

CheapestSet 09 Sep · Checked today
Asda Dowlais Top, CF48 2YF
UNLEADED
165.9p
DIESEL
187.9p
Save up to £2.75 on a tank
Set 07 Sep · Checked today
Esso New Road, CF48 3DA
UNLEADED
169.9p
DIESEL
193.9p
Save up to £0.55 on a tank
Set 09 Sep · Checked today
EG on the Move 3 - 3a Lower High Street, CF47 8EB
UNLEADED
170.9p
DIESEL
195.9p
Save up to £0.00 on a tank
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