Most Fuel Efficient Cars in Australia

Fuel efficiency is arguably one of the most important features you should look for in a car. Fuel efficiency refers to how far a car can drive with a particular amount of fuel, usually measured in kilometres per litre (km/L). A fuel efficient car requires less petrol to travel a long distance, making them cheaper to run.


Get a free quote

The hassle-free way of car-buying that saves you thousands.

Our OnlineAuto experts will find the perfect new car for you, negotiate a great deal and deliver it to you door.

Speak with your specialist Buy your car now!

Request a quote

Provide us with a few details and we'll give you a call.

Your contact details

Vehicle details

As soon as possible

Vehicle finance

Privacy Statement: By providing your details, you consent to us contacting you about our products and services. Online Auto's Group Privacy Policy, contains information about how you can access and correct your personal information, how to make a complaint, and how we deal with complaints.

Fuel Efficient Car Articles

Fuel Efficient Car FAQs

If you’re searching for a fuel efficient car, the MG HS Plus EV is one of the most efficient in Australia. While it is a hybrid, it has a fuel consumption of 1.7L/100km. If you’re wanting a regular petrol car, the Skoda Fabia is the most fuel efficient at 4.5L/100km.

The Fiat 500 is perhaps the cheapest, fuel efficient car in the Australian market. The micro car has a fuel consumption of 4.8L/100km combined, the base model is available from $23,179.

Fuel consumption ranges in cars, but a car with less than 6L/100km is considered to have good fuel consumption. Broken down, that means the car requires size litres of petrol to drive 100km.

All cars have a different sized tanks, and bigger tanks will always cost more to fill than smaller tanks. However, cars with better fuel efficiency are generally cheaper to run simply because you’ll need to fill up your car less.

Yes, electric cars are typically more energy efficient than petrol or diesel cars. Electric vehicles can convert up to 77% of electrical energy, whereas petrol cars only convert 12% - 30% of stored energy.

SUVs and big cars do consume more petrol than small cars because they’re heavier and require more power to drive.

What car should I buy? Discover the car for you.

Find your car

We’ll find you the perfect new car at the best price.

Request a quote

Recent Savings

AM Adam M saved $1,232

off the NSW recommended retail price of a Toyota Rav4 GXL (2WD) on 21 Oct, 2021.

AD Andrew D saved $3,037

off the NSW recommended retail price of a Toyota Landcruiser Prado GXL FLAT TAILGATE on 19 Oct, 2021.

PC Peter C saved $2,135

off the NSW recommended retail price of a Toyota Hilux SR5 (4X4) on 14 Oct, 2021.

Savings are based on the difference between the actual driveaway price paid by customers on their new car purchases including stamp duty, government
charges and on-road costs and the Redbook Manufacturer Suggested Retail Price (MSRP) plus stamp duty, government charges and on-road costs.

Have any questions? Call us on 1300 719 925

car icon
close sticky hub button