FLEET POWER FUEL PRICE INTELLIGENCE
20 OCTOBER 2026 WEEKLY WATCH / 1
DRIVING PERFORMANCE | UK ROAD FUEL MARKET
THE WEEK IN ONE LINE
UNLEADED PETROL
DIESEL
DIESEL PREMIUM
50L DIESEL FILL
174.57p
199.33p
24.76p
£99.67
-0.71p / litre week-on-week
-0.71p / litre week-on-week
unchanged week-on-week
-£0.36 week-on-week
OFFICIAL PUMP PRICE BENCHMARK | DESNZ
EXECUTIVE INTELLIGENCE
PETROL
DIESEL
CURRENT PRICE
174.57p
199.33p
WEEKLY CHANGE
-0.71p
-0.71p
FOUR-WEEK CHANGE
+2.56p
+3.80p
ANNUAL CHANGE
+39.88p
+56.52p
50-LITRE FILL
£87.29
£99.67
CHANGE IN FILL COST
-£0.36
-£0.36
Pump prices fell for the first time in several weeks, but diesel remains close to £2/litre. Renewed Brent volatility and tight refined diesel supply could interrupt further relief.
FLEET SIGNAL Prioritise motorway avoidance and local price comparison.
PRICE DIRECTION | FOUR-WEEK VS. ANNUAL CHANGE PETROL 4 WEEKS
DIESEL 4 WEEKS
+2.56p
YEAR
FLEET POWER | FUEL WATCH | 20 OCTOBER 2026
+39.88p
YEAR
+3.8p +56.52p
DATA + ANALYSIS
FLEET POWER FUEL PRICE INTELLIGENCE
20 OCTOBER 2026 WEEKLY WATCH / 2
DRIVING PERFORMANCE | UK ROAD FUEL MARKET
FORECOURT PRICE INTELLIGENCE
WHOLESALE + ENERGY SIGNALS
UK FORECOURT AVERAGES
BRENT | Around $109.55/bbl at 19 October settlement
174.1p
199.1p
PETROL
DIESEL
DIESEL | IEA warns of persistent supply constraints; refining spreads remain a key variable.
Supermarkets: 2.6p petrol / 2.8p diesel cheaper than branded retailers in the cited sample.
STERLING | GBP/USD approx. 1.3318 on 16 October.
COMPETITION + RETAILER BEHAVIOUR
WHAT TO WATCH
CMA retail margins (JUNE 2026, not current):
01 Pump-price pass-through as wholesale prices move 02 Brent and Middle East supply disruption
ALL RETAILERS
11.2p/l
SUPERMARKETS
10.4p/l
NON-SUPERMARKETS
12.0p/l
03 Diesel availability and winter demand 04 Forecourt pricing and CMA monitoring 05 28 October Budget / fuel-duty decision
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FLEET POWER | FUEL WATCH | 20 OCTOBER 2026
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