Foster Unleaded 91 Petrol Prices

Compare real-time unleaded 91 prices at 4 petrol stations in Foster

Cheapest Station

170¢

Average Price

171¢

Stations Found

4

Catalogue snapshot: Saturday, 27 June 2026 at 6:00 am

Nearby Fuel Options

More Foster fuel prices

Current Unleaded 91 Prices

Quick summary

This page lists 4 stations in Foster with Unleaded 91 prices where reported. The lowest listed Unleaded 91 here is about 170¢/L; the average of listed prices is about 171¢/L. Always confirm on the bowser and your vehicle label before filling.

Unleaded 91 in Foster — local guide

Unleaded 91 prices in Foster, Victoria are listed on this page for drivers who want a suburb-level snapshot before they travel. We show 4 fuel stations in Foster where retailers report through the Victorian fuel price transparency scheme — compare the sorted list below, then confirm the live bowser price and the correct nozzle for your vehicle.

Foster sits in the Melbourne market where Melbourne's shared retail cycle still matters: mid-week discount phases and weekend resets are common. Drivers who compare unleaded 91 across Foster and neighbouring suburbs on the same day often pick up a few cents per litre without a long detour.

Stations cluster along South Gippsland Highway and 94 Main Street in Foster, which suits on-route comparison: check two or three convenient bowsers along your usual corridor instead of paying the first price you pass after exiting the freeway or main road.

Before you fill in Foster, compare unleaded 91 with nearby Toora, Fish Creek. A short cross-suburb check often beats brand loyalty when the retail cycle is mid-reset or when one pocket of Foster has already lifted prices ahead of neighbours.

Unleaded 91 in Foster is the everyday grade for most petrol cars. Pair this page with our Melbourne cycle and trends guides when you want timing context, not only the cheapest corner today.

Figures here are compiled from public Victorian fuel price data for comparison only — not mechanical or financial advice. Open individual station pages for addresses, other grades, freshness timestamps, and directions when you are ready to fill in Foster.

Key takeaways

  • Place: Foster, Victoria. Fuel focus: Unleaded 91.
  • Listed range on this snapshot: about 170¢/L to 172¢/L for Unleaded 91 where prices exist.
  • Prices come from retailer reporting (for example via Service Victoria); they can change between updates.

Definitions

Unleaded 91 (ULP 91)
The most common petrol grade in Australia for spark-ignition engines rated for standard unleaded. Octane meets the minimum for vehicles that do not require premium fuel.
Diesel (automotive)
Compression-ignition fuel for diesel engines only. Not interchangeable with petrol; misfuelling can cause serious damage. Pump diesel in Victoria is the road fuel sold at retail servos.

Comparison (listed lows in Foster)

Lowest listed cents per litre (Unleaded 91 row matches this page) where stations publish each grade in Foster.

Lowest listed fuel prices by grade in Foster
Fuel gradeLowest listedNote
Unleaded 91170¢/LFocus of this page
Diesel180¢/LLowest listed in this suburb if published
E10 EthanolLowest listed in this suburb if published
Premium 95/98183¢/LLowest listed in this suburb if published
E85 Flex FuelLowest listed in this suburb if published
LPG110¢/LLowest listed in this suburb if published

Best for

Everyday petrol cars rated for ULP 91 when you want the lowest listed standard unleaded nearby.

Not ideal for

Diesel or LPG vehicles, or engines that require premium if your manufacturer specifies premium only.

Bottom line

For Unleaded 91 in Foster, listed prices currently centre around 171¢/L, with 170¢/L as the lowest shown on this page. Pick a station, then verify the live bowser price when you arrive.

Source and scope

Figures are compiled from public fuel price data for Victoria. Methodology, caveats, and how listings refresh are explained on our methodology page. This is price information only, not financial or mechanical advice.

Methodology · How pricing works · Diesel vs petrol calculator

FAQs

What is the cheapest listed unleaded 91 in Foster?

On this snapshot, the lowest listed unleaded 91 in Foster is about 170¢/L where stations report this grade. Bowser prices can change — confirm when you arrive.

How many stations are listed for Foster on this page?

We show 4 stations in Foster. Not every site sells every grade; use each station page or on-site signage for nozzles and labels.

Can I use Unleaded 91 in any car?

Use the fuel octane and type required by your vehicle. Unleaded 91 suits vehicles rated for that grade; premium is for engines that specify higher octane.

What does the average unleaded 91 price in Foster mean here?

It is the mean of listed unleaded 91 prices across stations that published a price for this grade on this snapshot, about 171¢/L, with observations from 170¢/L to 172¢/L.

Where do Foster pump prices come from?

Retailers report prices through Victorian fuel price transparency requirements; we aggregate listings for comparison. Individual stations remain responsible for the price on the bowser.

How often are unleaded 91 prices updated in Foster?

Updates follow retailer reporting cycles via Service Victoria. Check timestamps on each station card — prices can change between filings.

Is Unleaded 91 cheaper than other grades in Foster?

Compare the cross-fuel table on this page for lowest listed ULP, diesel, premium, E10, and LPG in Foster. The cheapest grade for your vehicle depends on compatibility, not only cents per litre.

Should I compare Foster with nearby suburbs for unleaded 91?

Yes. Use nearby suburb links on this page — a short detour to a neighbouring town can save cents per litre when Foster boards are in a high phase.

What brands sell unleaded 91 in Foster?

Brand availability varies by site. Scroll the station list to see which Foster servos publish unleaded 91 in the latest reporting window.

Can I filter Foster stations by cheapest unleaded 91?

Use the sort control on this page to rank stations by price, then open the leading card for address, grades, and directions.

Does the Melbourne fuel cycle affect unleaded 91 in Foster?

Unleaded 91 in Foster still moves with the broader Melbourne retail cycle — mid-week lows are common during discount phases.

Is diesel the same as petrol?

No. Diesel and petrol are different fuels for different engine types. Diesel is often bought by drivers of diesel utes, SUVs, and vans; petrol grades power typical spark-ignition cars. Compare running costs with our diesel vs petrol calculator if you are choosing a vehicle, not a bowser for the wrong engine.

How do I find unleaded 91 near me in Foster?

This page is scoped to Foster. For a map view, open the live fuel map and centre on Foster to see stations geographically.

What if no Foster station lists unleaded 91 today?

Some grades are not filed every cycle. Check neighbouring suburbs, open individual station pages, or confirm at the bowser whether Unleaded 91 is sold on site.

Are unleaded 91 prices on this page financial advice?

No. This is public price information for comparison only. Confirm the live bowser price and your vehicle fuel requirements before filling.

Can I get directions to the cheapest unleaded 91 in Foster?

Station cards link to detail pages with addresses and map directions. Pick a convenient low price, then verify at the pump.

Does premium fuel matter on this Unleaded 91 page?

If your vehicle requires premium, open the premium grade page for this suburb. This page focuses on a different fuel type.

How does unleaded 91 pricing in Foster compare to Melbourne metro?

Use the metro comparison insights below this list to see how Foster tracks against the broader Melbourne median on the same snapshot.

What is the price spread for unleaded 91 in Foster?

Listed unleaded 91 in Foster ranges from about 170¢/L to 172¢/L on this snapshot — compare before you default to the closest servo.

Where can I learn more about Unleaded 91 fuel types?

See our fuel types hub and guides for compatibility, cycle timing, and grade explanations — then return here for live local prices.

Cheapest Unleaded 91 Stations

CHEAPEST

CALTEX FOSTER

📍 3895 SOUTH GIPPSLAND HIGHWAY

🏪 Caltex

170¢
per litre

BP FOSTER

📍 94 MAIN STREET

🏪 BP

172¢
per litre

BP

📍

🏪 BP

172¢
per litre

MOBIL FOSTER

📍 78 MAIN STREET

🏪 Mobil

per litre

Nearby suburbs

Compare live fuel prices in suburbs next to Foster. Distances are based on station locations in our directory.

Open Melbourne fuel map

💡 Pro Tip

Melbourne unleaded often moves in a weekly retail cycle. Compare suburb boards mid-week when your tank allows — always confirm the live bowser price.

Unleaded 91 price snapshot — Foster

Based on 3 stations with listed unleaded 91 in Foster. Figures reflect reported board prices — confirm at the bowser before you fill.

Lowest
170.0¢/L
Average
171.0¢/L
Highest
172.0¢/L
Spread
2.0¢/L

Cheapest listed unleaded 91 in Foster today: CALTEX FOSTER (Caltex) at 170.0¢/L — 1.0¢/L under the local average on this snapshot.

Compare every grade on the Foster station directory or open the live fuel map.

Use the cheap petrol near you to find cheap petrol near you and compare stations within 5km or 10km of your location.

Drivers in Foster often compare prices with nearby Toora and Fish Creek before choosing where to fill up.