Sydney to Brisbane Fuel Cost

What the Pacific Highway run is actually like

The Pacific Highway (A1) is the inter-capital route that finally got its act together. The full 920 km from Sydney's northern edge to Brisbane's inner south is now dual carriageway for essentially the entire length — the last major fix, the Coffs Harbour bypass, opened in late 2024, and the Woolgoolga-to-Ballina upgrade that replaced the old Kempsey-to-Grafton deathtrap has been fully divided for several years. If your last memory of this drive is single-lane chaos behind caravans, that road is gone.

The first 160 km out of Sydney is the M1 through the Central Coast, Hornsby, Gosford, and Newcastle. Friday afternoons and Sunday evenings the traffic tails back from the Hawkesbury River bridge at Berowra for 20–30 minutes in each direction. The A1 proper starts at Newcastle and from there it's a steady coastal run — not always within sight of the ocean, but rarely more than 15 km inland.

Fuel strategy on the Pacific

Queensland fuel is generally 3–8 c/L cheaper than NSW at the state-average level, which flips the Sydney–Melbourne logic on its head. On this route, fill lighter at the start and top up closer to Brisbane. The M1 service centres at Ourimbah, Heatherbrae, and Karuah run 15–18 c/L above the NSW regional average — convenient, expensive, avoidable.

Taree and Kempsey consistently sit 5–10 c/L below the NSW average and are the sensible refuel points for the middle leg. Coffs Harbour is similar. Ballina is the last NSW stop before the Tweed border — a strategic top-up if QLD prices happen to spike that week. In Brisbane itself, the outer northern suburbs (Caboolture, Narangba) tend to run cheaper than the inner south, so if your destination is the Gold Coast side of Brisbane or a southern suburb, refuelling on the way in saves more than it usually would.

How long the drive really takes

Google Maps quotes 10 hours. In practice, 11.5 to 12 hours is realistic with one fuel stop, a lunch break, and two coffee stops. Adding young kids or a caravan pushes it closer to 13. Friday afternoons out of Sydney and Sunday afternoons on the Gold Coast stretch can add another hour on top.

Three choke points are reliable: the M1 around Gosford at any weekday peak, the Ballina-to-Tweed stretch during NSW and QLD school holidays, and the Gold Coast-to-Brisbane section between 3pm and 6pm. The Pacific Motorway south of Brisbane is the most variable segment — incidents there cause long backups because there's no practical alternative route.

Most drivers who split the trip stop at Coffs Harbour (5.5 hours from Sydney) or Port Macquarie (4.5 hours). Coffs has more accommodation and the Jetty area is pleasant; Port Macquarie's town-centre motels beat Coffs Harbour's CBD options for an evening walk.

What's worth a detour

The Hunter Valley wineries around Pokolbin are a 30-minute detour west at the Cessnock exit near Beresfield. It adds about 150 km and usually an overnight, but the cellar doors are the closest to any inter-capital route in Australia. South West Rocks and Trial Bay Gaol sit 20 minutes east at Kempsey — a quiet alternative to the bigger beach towns further north.

Byron Bay is only 15 minutes off the A1 at Ewingsdale and is worth a stretch break even if you're not staying. North of there, Mount Warning (Wollumbin) is accessed via Murwillumbah — 25 minutes off the highway, and the drive up through the caldera is striking even if you don't climb the mountain (climbing is no longer permitted out of respect for the traditional owners). The Gold Coast theme parks are effectively on the highway — Dreamworld sits directly off the M1 at Coomera, which is either a bonus or a warning depending on who's in the car.

Cost context and tolls

A sedan at 7 L/100 km on ULP runs around $170 one-way at current national-average pricing. A diesel ute at 10 L/100 km sits closer to $270. A caravan rig pulling 15 L/100 km is $400 or more. Unlike the Hume run to Melbourne, Brisbane's inner ring has tolls — the Gateway Motorway and Logan Motorway together add $10–15 depending on where in Brisbane you're heading. The Logan is usually $6–8, the Gateway $5–7. Cash is not accepted; it's all electronic, via a Linkt or eToll account, or the invoice arrives by mail with a surcharge.

Add about $55 for meals along the way and $160–230 for one night's accommodation if you're splitting the drive. That puts a solo-driver return trip around $560 and a family-of-four return trip at roughly $1,050 once the motel is counted in.