In-depth reviews

Audi A8 hybrid range, MPG, CO2 & charging

The Audi A8 TFSI e competes strongly with its closest rivals when it comes to fuel-efficiency, range and charging speed

Audi A8 hybrid
Range, MPG, CO2 & charging Rating
Fuel economyCO2 emissionsElectric rangeWallbox charge time
97-113mpg58g/km29 miles2hrs 30mins (0-100%, 7.4kW)

In the large plug-in hybrid luxury saloon world, the A8 TFSI e compares favourably with its main rivals the Mercedes S 560 e L and BMW 745e when it comes to efficiency. The low-triple-figures fuel-economy figure is par for the course for a plug-in hybrid (PHEV), but is largely unobtainable in real-world driving. CO2 emissions are usefully low and the all-electric range is within the ‘around 30 miles’ ballpark that’s currently the norm for this sort of car.

The A8’s drivetrain can recuperate energy for its batteries during 90% of braking in everyday driving, Audi says. The system also gathers energy when the car is coasting, with the regenerative braking level selectable through the A8’s infotainment system or the gear selector. 

Audi A8 range, MPG & CO2 emissions

Audi quotes official figures of 97 to just under 109mpg from the long-wheelbase A8 L 60 TFSI e and slightly more for the short-wheelbase car. These figures are comparable to the 105-118mpg of the long-wheelbase BMW 745Le, while the Mercedes S 560 e L matches its rivals give or take a few miles per gallon and grammes per kilometre.

The Mercedes trails the Audi’s 28-mile electric range at just 25 miles, while the BMW can manage up to 30 miles on electric power alone according to official figures. In the real world, however, all three will be so similar in their performance that it should make little difference to buyers – especially at this end of the market.

To get as close as possible to the A8’s quoted figures you’ll need to drive very carefully with a light right foot and with fully topped-up batteries: once the battery is empty, fuel economy will plummet accordingly and you’ll lose a good chunk of performance, too. 

Charge time

Using a 7.4kW wallbox charger, the A8’s 14.1kW battery can be charged from flat to 100% in around two and a half hours – again, more or less the same as its rivals and perfect for business users with access to a charger at the office. 

The A8 comes as standard with a Type 2 cable and a three-pin domestic charging cable, but it pays to remember that it’ll charge much slower from a domestic supply. You’ll still be able to top up overnight with ease, however.

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