Australian Fuel Price Forecast April 2026: Strait of Hormuz Crisis Pushes Sydney Petrol Costs Higher

Emma Brooks

April 20, 2026

3
Min Read
Australian Fuel Price Forecast April 2026 Strait of Hormuz Crisis Pushes Sydney Petrol Costs Higher

Sydney motorists faced sticker shock in mid-April 2026 as unleaded petrol averaged $2.34 per litre in eastern suburbs, a grim toll from the Strait of Hormuz closure amid escalating Iran conflicts. Brent crude hovered at $98 per barrel despite a weekly dip, but analysts warned of worsening shortages as Australia’s 80-90% import reliance bit hard. Viva Energy’s Geelong refinery fire piled on, slashing diesel output and sparking panic-buying that emptied bowsers statewide.

Australian Fuel Price Forecast April 2026 Strait of Hormuz Crisis Pushes Sydney Petrol Costs Higher

The federal excise halve—from 52.6 to 26.3 cents per litre—offered fleeting relief, dropping Sydney averages from $2.80 peaks, but experts like AMP’s Shane Oliver flagged rationing risks by late May if Hormuz stays choked. This perfect storm—war, fire, hoarding—reshapes household budgets, trucking routes, and economic forecasts Down Under.

Strait of Hormuz Background

The world’s oil jugular, Hormuz funnels 20% of global crude and key petrochemicals. US-Israel strikes on Iran from late March effectively sealed it, halting tankers and spiking Asian refinery inputs. Australia, net importer extraordinaire, sources 80% refined fuel from Singapore and South Korea—now rationing domestic needs.

Delayed effects loom: Stocks buffer till May, but prolonged blockade (weeks?) triggers Level 3 national emergency, prioritizing essentials over commutes.

Current Price Snapshot

Sydney’s cycle hit highs: Premium 98 at $2.34/litre Friday, regular unleaded $2.24 post-excise. Melbourne mirrored at $2.28, Brisbane $2.20—40% jumps since February’s $1.22 USD/litre baseline. Diesel breached $2.25 regionally, jet fuel strained airports.

NRMA logged E10 at 218.5 cpl early April, but gouging fines hit hundreds of stations. AUD at $0.7170 cushioned wholesale falls (diesel $170/bbl), yet freight costs ballooned 15.4% to 4.6x norms.

Forecast Models

Short-term (April-May): Brent $91-110/bbl sustains $2.20-2.50/litre Sydney petrol, per AIP models. Hormuz reopening drops 20-30 cpl; prolonged closure adds 50 cpl by June.

Medium-term (Q3 2026): $2.10-2.40 equilibrium if peace holds, but recession risks push $2.80+. Oliver’s rough math: Late-May rationing shaves GDP, echoes 1970s embargo.

Upside: Excise extension; downside: Asian refinery curbs.

Supply Chain Disruptions

Geelong’s April 15 blaze torched 25% petrol, 20% diesel capacity—Aus east coast’s last refinery. Pre-fire, Vic stations ran 83% dry; now national jet shortages loom. Imports surge from WA, but Hormuz detours via Cape add weeks, costs.

Asian plants hoard crude; Singapore output dips 10%, prioritizing home.

Government Interventions

Albanese’s March 30 National Cabinet halved excise till June 30, saving $13-21 per tank. Road user charge axed for heavies. ACCC cracks down on gouging; Task Force eyes Level 3—trucks first, plebs last.

States urge “business as usual” travel; WA publishes weekly updates.

Stats and Projections

Price evolution table:

Date/PeriodSydney ULP (cpl)Diesel (cpl)Brent ($/bbl)Key Driver
Feb 2026122 (USD equiv)~175~$80Pre-crisis baseline
Late Mar Peak280>300$120+Hormuz initial closure
Apr 1 (Excise)242250$105Tax cut rollout
Apr 18 Current234225+98Geelong fire, hoarding
May Forecast220-260230-28091-110Strait status

Surge impacts:

SectorCost Rise (%)Weekly Extra (50L Tank)Mitigation
Households40$25Carpool, public transport
Trucking55$125Rationing priority
Agriculture65$200 (200L)On-site storage push
Aviation45N/A (bulk)Stockpile draws

Projections: 15% correction risk if war drags.

Regional and Sector Impacts

Sydney commuters juggle $100 weekly fills; Vic farms idle harvesters, Gippsland mines halt drills. Regional NSW/QLD bowser turnaways; WA relatively spared via Kwinana refinery.

Sports hit: NRL/AFL travel rationed; cricket tours eye fuel clauses. Jharkhand parallels—fuel hikes mirror global shocks.

Long-Term Strategies

Diversify: Biofuels, hydrogen ramps; local refining revival post-Lytton/Geelong. EVs at 5% fleet—charging strains grids. Strategic reserves build; AUKUS ties secure sea lanes.

Conclusion

Hormuz choke and Geelong flames propel Sydney petrol past $2.30, testing Aussie resilience. Excise buffers buy time, but stocks dwindle—ration wisely, diversify boldly. Pumps may refill, but lessons endure: Import dependence bites.

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