True MPG: how close to reality are official fuel economy figures?

What Car?'s True MPG test reveals official fuel economy figures are closer to reality than ever… but still an average of 5.7% worse than claimed...

Audi A3 Saloon

Audi A3 Saloon 35 TDI

Engine 4cyl, diesel Gearbox Automatic

Official economy 42.4mpg True MPG 39.6mpg Difference -6.6%

Audi A1 Sportback front three-quarters driving 2

Engine 3cyl, turbo, petrol Gearbox Manual

Official economy 50.0mpg True MPG 46.5mpg Difference -7.0%

Read our Audi A1 review or see what discounts are available on the A1


Volvo XC40 D3

Volvo XC40

Engine 4cyl, diesel Gearbox Automatic

Official economy 46.2mpg True MPG 42.9mpg Difference -7.1%

Read our Volvo XC40 review or see what discounts are available on the XC40


Audi Q3 45 TFSI

Audi Q3 35 TFSI Sport S tronic [Comfort and Sound Pack]

Engine 4cyl, turbo, petrol Gearbox Automatic

Official economy 31.8mpg True MPG 29.5mpg Difference -7.2%

Read our Audi Q3 review or see what discounts are available on the Q3


Toyota RAV4 2.5 VVT-i Hybrid

Toyota RAV4 Hybrid

Engine 4cyl, petrol + electric motor Gearbox Automatic

Official economy 53.3mpg True MPG 49.0mpg Difference -8.1%

Read our Toyota RAV4 review or see what discounts are available on the RAV4


Lexus ES 300h

Lexus ES

Engine 4cyl, petrol + electric motor Gearbox Automatic

Official economy 48.7mpg True MPG 44.7mpg Difference -8.2%

Read our Lexus ES review or see what discounts are available on the ES


Audi Q3 35 TFSI S tronic

Audi Q3 side

Engine 4cyl, turbo, petrol Gearbox Automatic

Official economy 38.0mpg True MPG 41.5mpg Difference -8.4%

Read our Audi Q3 review or see what discounts are available on the Q3


Skoda Scala 1.5 TSI 150

Skoda Scala front - red

Engine 4cyl, turbo, petrol Gearbox Manual

Official economy 47.9mpg True MPG 43.8mpg Difference -8.6%

Read our Skoda Scala review or see what discounts are available on the Scala


Kia Ceed 1.0 T-GDi 110

Kia Ceed front white - 19 plate

Engine 3cyl, turbo, petrol Gearbox Manual

Official economy 49.6mpg True MPG 45.1mpg Difference -9.1%

Read our Kia Ceed review or see what discounts are available on the Ceed


BMW X2 xDrive20d

BMW X2 front

Engine 4cyl, diesel Gearbox Automatic

Official economy 44.2mpg True MPG 39.6mpg Difference -10.4%

Read our full BMW X2 review or see what discounts are available on the X2


Skoda Fabia Estate 1.0 TDI 130

Skoda Fabia Estate front - grey

Engine 3cyl, diesel Gearbox Manual

Official economy 51.4mpg True MPG 46.0mpg Difference -10.6%

Read our full Skoda Fabia Estate review or see what discounts are available on the Fabia Estate


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