2018 MG MG3 fuel consumption

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

Fuel use, combined

6.7 L/100km

lower is better

Cost to run a year

$1,735

at 14,000km

CO₂ from the exhaust

158–159 g/km

per kilometre

Uses 8% less fuel than the typical 2018 car, which averaged 7.3 L/100km.

Every 2018 MG MG3 version

Version	Engine	Fuel use	City	Highway	Cost/year	CO₂
1.5 MT Hatch Manual	1.5L 4cyl Petrol 91RON	6.7	9.3	5.3	$1,735	158 Slightly better than average
1.5 AT Hatch Auto	1.5L 4cyl Petrol 91RON	6.7	9.2	5.3	$1,735	159 Slightly better than average

MG MG3 in other years

2024

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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.