Rontec Portway fuel prices

BP · MK9 3DZ · Milton Keynes

Portway, Milton Keynes, Buckinghamshire

Checking hours…
Updated 3 days ago
Retailers only send a price when theirs changes, so 3 days without an update often just means it hasn't moved. It can also mean a change hasn't reached us yet.

Unleaded here is 3.5p below the local average at its last reported price, 3 days ago. 5th cheapest of 16 within 3 miles. Shell Blakelands, 1.7 miles away, is 2.0p cheaper. Prices may have moved since, so check before you travel. Full comparison

Diesel here is 2.6p below the local average at its last reported price, 27 days ago. 4th cheapest of 15 within 3 miles. Shell Blakelands, 1.7 miles away, is 2.0p cheaper. Prices may have moved since, so check before you travel. Full comparison

Jump to: current prices, nearby stations, opening hours, amenities, something to eat, location and directions, how this station compares, price history, where the money goes or common questions.

Current prices at Rontec Portway

Unleaded
171.9p
▼ 5.0p this week
3 days ago
Super Unleaded
190.9p
▼ 5.0p this week
3 days ago
Diesel
199.9p
— unchanged this week
3 weeks ago

How much does it cost to fill up at Rontec Portway?

Unleaded
£94.55
Super Unleaded
£105.00
Diesel
£109.95

Planning a trip? Work out a journey's fuel cost.

Petrol stations near MK9 3DZ

Station Unleaded
BP
Portway, Milton Keynes, Buckinghamshire
171.9pLast reported 3 days ago
same
0.0 mi · Diesel 199.9pLast reported 27 days ago same
Texaco
Portway Bradwell Common H5, Milton Keynes, Buckinghamshire
174.9poldLast reported 40 days ago
0.5 mi · Diesel 199.9poldLast reported 40 days ago
BP
Childs Way (H6), Milton Keynes, Buckinghamshire
171.9pLast reported 4 days ago
same
0.6 mi · Diesel 199.9pLast reported 20 days ago same
Esso
H6 Childs Way, Milton Keynes, Buckinghamshire
171.9pLast reported 4 days ago
same
0.6 mi · Diesel 199.9pLast reported 20 days ago same
BP
Saxon Street, Milton Keynes, Buckinghamshire
171.9pLast reported 9 days ago
same
0.7 mi · Diesel 199.9pLast reported 20 days ago same
TotalEnergies
Monks Way, Milton Keynes, Buckinghamshire
170.9pLast reported 18 days ago
-1.0p cheaper
1.7 mi · Diesel 198.9poldLast reported 33 days ago
Shell
Monks Way, Milton Keynes, Buckinghamshire
169.9p
-2.0p cheaper
1.7 mi · Diesel 197.9p -2.0p cheaper
Shell
Grafton Street, Milton Keynes, Buckinghamshire
171.9pLast reported 4 days ago
same
1.7 mi · Diesel 199.9pLast reported 10 days ago same

Opening Hours

Monday Open 24 hours
Tuesday Open 24 hours
Wednesday Open 24 hours
Thursday Open 24 hours
Friday Open 24 hours
Saturday Open 24 hours
Sunday Open 24 hours
Bank Holidays Usual hours apply

Amenities

AdBlue (packaged) Air pump / screenwash Car wash 24-hour fuel Water filling

Looking for something to eat?

Feeling a bit peckish? Grab something to eat while you fill up. We've gathered local places to eat, along with their food hygiene ratings.

Well-rated food within half a mile

4 out of 5 inspected Jan 2026
4 out of 5 inspected Apr 2026
5 out of 5 inspected Sep 2025
5 out of 5 inspected Aug 2025

Hygiene ratings: Food Standards Agency. About this data.

How Rontec Portway fuel prices compare

Unleaded

2.0% cheaper than the 15 stations within 3 miles (-3.5p)

0.1% above the UK average (+0.2p)

0.4% below the BP national average (-0.7p)

5th cheapest of 16 for Unleaded within 3 miles

Cheaper nearby: Shell Blakelands — 1.7 mi away, save ~36p after the drive

Savings based on a 55 L fill at 44.6 mpg, round trip.

Lowest 171.9p on 29 Oct · Highest 176.9p on 6 Oct

Super Unleaded

2.3% cheaper than the 7 stations within 3 miles (-4.4p)

1.2% above the UK average (+2.2p)

0.5% below the BP national average (-0.9p)

3rd cheapest of 8 for Super Unleaded within 3 miles

Cheaper nearby: Portway — 0.5 mi away, save ~27p after the drive

Savings based on a 55 L fill at 44.6 mpg, round trip.

Lowest 190.9p on 29 Oct · Highest 195.9p on 6 Oct

Diesel

1.3% cheaper than the 14 stations within 3 miles (-2.6p)

0.7% above the UK average (+1.5p)

0.2% above the BP national average (+0.3p)

4th cheapest of 15 for Diesel within 3 miles

Cheaper nearby: Shell Blakelands — 1.7 mi away, save ~30p after the drive

Savings based on a 55 L fill at 48.4 mpg, round trip.

Lowest 199.9p on 5 Oct · Highest 199.9p on 5 Oct

Rontec Portway price history

Recent price changes

Unleaded and Super Unleaded have fallen 5.0p over the past week and have changed price 4 times in the last 30 days.

Diesel has not changed over the past week and has changed price 1 time in the last 30 days.

Date Unleaded Super Unleaded Diesel
In the past week
171.9p −1.0 190.9p −1.0 199.9p
172.9p −1.0 191.9p −1.0 199.9p
173.9p −3.0 192.9p −3.0 199.9p
Earlier in the last 30 days
176.9p +1.0 195.9p +1.0 199.9p
175.9p 194.9p 199.9p −3.0
More than 30 days ago
175.9p 194.9p 202.9p +1.0
175.9p +2.0 194.9p +2.0 201.9p +2.0
173.9p 192.9p 199.9p +1.0
173.9p +1.0 192.9p +1.0 198.9p +2.0
172.9p +1.0 191.9p +1.0 196.9p +1.0

One row for each day a price changed. Greyed prices did not change that day. Dates are when the price was submitted, or when we first recorded it if no submission time was supplied.

Where the money goes

About 47% of what you pay for unleaded here is tax. Fuel duty is a flat 52.95p on every litre, and 20% VAT is then charged on the fuel and the duty together. The rest covers the fuel itself, delivery and the retailer's margin.

Per litre Pump price Fuel and retailer Fuel duty VAT
Unleaded 171.9p 90.25p 52.95p 28.70p
Super Unleaded 190.9p 106.15p 52.95p 31.80p
Diesel 199.9p 113.65p 52.95p 33.30p

Duty rate: GOV.UK, checked 13 October 2026.

How fuel duty works

Common questions about Rontec Portway

How much is unleaded at Rontec Portway?

Unleaded at Rontec Portway is 171.9p per litre, last reported on 29 October 2026. That is 0.2p above the UK average. A 55 litre fill costs about £94.55.

How much is diesel at Rontec Portway?

Diesel at Rontec Portway is 199.9p per litre, last reported on 5 October 2026. That is 1.5p above the UK average. A 55 litre fill costs about £109.95.

Is Rontec Portway the cheapest place for unleaded near Milton Keynes?

No. Going by the price it last reported, 3 days ago, Rontec Portway is the 5th cheapest of 16 stations for unleaded within 3 miles. Shell Blakelands, 1.7 miles away, charges 169.9p, which saves about £0.36 on a 55 litre fill after the cost of driving there and back.

Is Rontec Portway open 24 hours?

Yes. Rontec Portway is listed as open 24 hours a day, seven days a week.

What fuel and facilities does Rontec Portway have?

Rontec Portway reports prices for Unleaded, Super Unleaded and Diesel. Facilities listed for the site: AdBlue (packaged), Air pump / screenwash, Car wash, 24-hour fuel and Water filling.

How often does Rontec Portway change its prices?

Unleaded has fallen 5.0p over the past week and has changed price 4 times in the last 30 days.