2025 Audi A5 Avant fuel consumption

3 versions rated. Official figures from the Australian Government’s Green Vehicle Guide.

Fuel use, combined

2.6–7.5 L/100km

lower is better

Cost to run a year

$1,528–$2,110

at 14,000km

CO₂ from the exhaust

60–172 g/km

per kilometre

Uses 66% less fuel than the typical 2025 car, which averaged 7.6 L/100km.

Every 2025 Audi A5 Avant version

Version	Engine	Fuel use	City	Highway	Cost/year	CO₂
e-hybrid quattro Wagon Auto	2L 4cyl Turbo Plug-in Electric/Petrol 95RON	2.6	–	–	$1,528	60 Better than average
200kW TFSI quattro 19 Inch Wagon Auto	2L 4cyl Turbo Petrol 95RON	7.4	10.0	5.8	$2,082	167 Slightly better than average
200kW TFSI quattro 20 Inch Wagon Auto	2L 4cyl Turbo Petrol 95RON	7.5	10.2	6.0	$2,110	172 Slightly better than average

Audi A5 Avant in other years

2026

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Figures come from a standardised laboratory test, so every car is measured the same way. Your own fuel use will differ with traffic, load, tyre pressure and how you drive. Running costs assume 14,000km a year at recent average fuel prices.