Most Economical Car


Economical car data by country & car type



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Most Efficient Full-Size Cars

Below are the top 10 most efficient full-size cars in order of increasing city fuel consumption.

Its surprising that there aren't more hybrids in this class of car because their relatively cost, high weight and large engines would mean that hybrid systems should be viable and provide large fuel savings.

At the present time the top 10 is dominated by regular gasoline engines. The Sonata and the Accord easily beat the competition. The main reason for this would be because of their smaller engines with only 4 cylinders.

Efficient Car Engine
City L/100km
Hwy L/100km
HYUNDAI SONATA 2.4L gasoline
8.7
5.7
HONDA ACCORD 2.4L gasoline
8.8
5.8
TOYOTA AVALON 3.5L gasoline
10.6
6.8
CHEVROLET IMPALA 3.5L gasoline
10.8
6.7
MERCEDES-BENZ S 400 HYBRID 3.5L hybrid
11.2
7.9
HYUNDAI GENESIS 3.8L gasoline
11.4
7.2
BMW 535i xDRIVE GRAN TURISMO 3.0L gasoline
11.5
7.3
FORD TAURUS 3.5L gasoline
11.6
7.2
PORSCHE PANAMERA 3.6L gasoline
11.6
7.4
DODGE CHARGER FFV 3.6L gasoline
11.7
7.3

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HYUNDAI SONATA

The most efficient full-size car is the Hyundai Sonata.

The Sonata is well established. Its now in its sixth incarnation and the latest version has a new 2.4L engine with improved fuel consumption over the old engine thanks to direct injection technology. The Hyundai Sonata has also been praised by reviewers for excellent safety and low depreciation.

A hybrid Sonata is also due possibly this year and will use the latest lithium polymer battery technology for maximum power and low weight.