2025 Audi S5 Avant fuel consumption

1 version rated. Official figures from the Australian Government’s Green Vehicle Guide.

Fuel use, combined

7.2 L/100km

lower is better

Cost to run a year

$2,026

at 14,000km

CO₂ from the exhaust

163 g/km

per kilometre

Uses 5% less fuel than the typical 2025 car, which averaged 7.6 L/100km.

Every 2025 Audi S5 Avant version

Version	Engine	Fuel use	City	Highway	Cost/year	CO₂
Wagon Auto	3L 6cyl Turbo Petrol 95RON	7.2	7.8	6.8	$2,026	163 Slightly better than average

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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.