M48
Westbound ▸
Chepstow
M48 Motorway Fuel Prices
Every petrol station within 2 miles of an M48 junction, plus the motorway service areas you can only reach from the road itself — 4 stations across 4 junctions.
M48Westbound · Chepstow
Cheapest on route
160.9p
VALERO
Off-junction avg
180.5p
3 stations ≤2 mi
Services avg
206.4p
1 motorway MSA
Service premium
+25.9p
vs off-junction
- JCT21AustM4No fuel stations linked to this junction yet.
- JCT1
- JCT2
- JCT23
Motorway servicesOff-junction (≤2 mi)
Pull off & save
27.0p
cheaper per litre, on average, at a station within 2 miles of a junction than at the motorway services.
≈ £14.85 on a 55-litre fill.
What's at the services
BP
On motorway
FuelToiletsAir & water
About fuel on this motorway
Petrol and diesel along the M48
The M48 runs severn bridge. Along the 4 junctions we track you'll find both on-motorway service areas (MSAs) that you can only reach from the road itself, and off-junction forecourts within 2 miles of a slip road.
How we group stations
Each junction lists every forecourt within 2 miles of the slip road, sorted by price. Motorway service areas appear inline on the junction they sit between. Toggle the direction of travel to filter down to just the carriageway you're on.Is it cheaper to fill up off the motorway?
Right now the average motorway service area on the M48 charges 206.4p/L, versus 180.5p/L at nearby off-junction stations — a services premium of 25.9p/L. A 55-litre fill would cost about £14.27 more at the services.How up-to-date are these prices?
Prices are refreshed from government open data every 15 minutes. The most recent update per station is shown next to each row.Frequently asked questions
Q.How many fuel stations are along the M48?
We track 4 stations across 4 junctions — including on-motorway service areas and nearby off-junction forecourts within 2 miles of a slip road.
Q.Are motorway service areas more expensive than off-junction stations?
Usually, yes. On the M48 the average services premium is currently 25.9p/L over nearby off-junction stations. Prices vary day-to-day, so use the direction toggle and fuel selector above to compare the exact prices at each MSA against off-junction stations you can reach from the same junction.
Q.Where does the fuel price data come from?
Retailers publish prices under the government's Fuel Finder scheme. We refresh from those feeds roughly every 15 minutes and show the last-updated time on each station row.
Q.Can I get to any of these forecourts without leaving the M48?
Only the stations tagged "Motorway services" are directly on the M48. Everything else requires exiting at the junction listed on the row — the distance shown is the road distance from the slip road.