What is the average Diesel price in Cornwall?

The average Diesel price in Cornwall is 212.9 c/L, ranging from a low of 212.9c/L to a high of 212.9c/L. Compared to the national average, DSL is currently 19.7c more expensive than the national average of 193.2c.

How many fuel stations are there in Cornwall?

There are 1 fuel stations in Cornwall monitoring prices for drivers.

When is the cheapest day to buy fuel in Cornwall?

Based on the last 60 days of Diesel prices at Cornwall stations, the cheapest weekday to fill up has been Tuesday (averaging 225.8c/L). The most expensive was Friday at 233.7c/L — a typical spread of 7.9c/L. Always check the live list above before filling up — local promotions can override the weekly pattern.

What fuel types are available in Cornwall?

The 1 station reporting in Cornwall covers the following fuel types: Unleaded 91, Diesel, Premium 95, Premium 98. Use the fuel-type pills above the price list to switch between them.

How often are Cornwall fuel prices updated?

Every 15 minutes. FuelRadar Australia refreshes from the government data program four times an hour. The station count in Cornwall is refreshed with each price update (last sync 08:44 GMT+1000, 24 Jun 2026).

Suburb fuel prices

Cheap Diesel in Cornwall Tasmania 7215

Name: Fuel Prices in Cornwall, TAS
Creator: FuelRadar Australia
License: https://creativecommons.org/licenses/by/4.0/

11.7c above the Tasmania average — Cornwall is 12.1c/L under its 30-day average right now — near the bottom of the cycle.

Prices as of 13 min ago AEST · sourced from FuelCheck TAS

TASMANIA state averageAll fuels U91 Diesel P95 P98

Cornwall · DieselAbove the state avg

WAIT

Diesel in Cornwall is dearer than the Tasmania average

Cornwall sits 11.7c above the Tasmania average. Cornwall is 12.1c/L under its 30-day average right now — near the bottom of the cycle.

TASMANIA average

How it compares

Tasmania state avg201.2c/L+11.7c/L
National avg193.2c/L+19.7c/L
Wholesale (TGP)170.9c/L+42c/L

Top stations

Cheapest Diesel stations in Cornwall

Sorted by current Diesel price. Tap a station for grades, directions and price age.

Ampol St. Marys
Cheapest
4.2 km away · 41 Main Street, St. Marys
212.9 c/L
0.0 vs avg

30-day spread · Diesel

Cornwall Diesel cycle

Cornwall is currently 12.1c/L below its 30-day average — a relatively good time to fill up.

30-day low

195.9c/L

Lowest point in the local spread

30-day average

216.5c/L

30-day high

232.9c/L

Today's average

204.4c/L

Daily averageMin–max spread across Cornwall stations

Cheapest Diesel right now

1Ampol St. MarysAmpol · 4.2 km away212.9 c/L5.0

Source: Reported Diesel pump prices across Cornwall.

7-day outlook

Cornwall 7-day Diesel outlook

Falling · -5.8c/L over 7 days

Cornwall prices follow the Hobart cycle, so this outlook takes the Hobart Diesel forecast and adjusts it to Cornwall's own price level using 90 days of local history. You can see the Hobart benchmark alongside the local estimate below.

Hobart is in the falling phase of its current cycle.

Cornwall today (est.)

197.0c/L

Hobart 197.4c/L · -0.4c/L local

Predicted in 7 days

191.2c/L

7-day range

189.1 – 198.4c/L

Predicted price90% confidence band

See full 30-day forecast How accurate is this?

Nearby suburbs

Suburbs near Cornwall

How Cornwall compares to neighbouring areas — cheapest first, delta vs the Cornwall average.

At a glance

Cornwall fuel prices at a glance

Cheapest Diesel: 212.9 c/L
Suburb average: 212.9 c/L
Station tracked: 1
Brand: 1
Postcode: 7215
Last updated: 24 June 2026, 8:44 am AEST

Explore the area

Browse fuel prices around Cornwall

Step up to the city and state, compare neighbouring suburbs, or open the live Diesel map.

Cornwall snapshot

Live Diesel prices in Cornwall

How it compares

Cornwall is currently 11.7c above the Tasmania state average of 201.2c. Open the live fuel map to see how individual stations spread within Cornwall.

Compare neighbouring suburbs

Cheaper fuel may be nearby — compare Mathinna (from 199.9c), Mangana (from 199.9c), Fingal (from 199.9c), Upper Esk (from 199.9c) or Pyengana (from 195.9c) before planning a fill-up.

Brands operating here

1 fuel brand operate stations in Cornwall, including Ampol. Brand loyalty programs and discount apps can shift the cheapest pump by 4–6c/L on any given day.

Frequently asked

Cornwall fuel questions

The cheapest Diesel in Cornwall is currently at Ampol St. Marys for 212.9 c/L.

FuelRadar app

Keep Cornwall fuel prices in your pocket

Track Cornwall prices, watch the local cycle and get an alert before the next jump — from your phone.

Price-drop alertsWatch the fuel types and suburbs you actually use.

Saved servosKeep regular stations close for a faster fill-or-wait call.

Route-aware savingsCompare price, distance and detour before you drive.

Live nearby mapOpen the cheapest nearby station in seconds.

App details

FuelRadar app showing live fuel prices, price alerts and saved routes