Audi A7 Sportback h-tron quattro concept is a fuel cell hydrogen vehicle with a plug-in hybrid setup

Audi has unveiled the A7 Sportback h-tron quattro concept at the Los Angeles Auto Show that virtually looks identical to the standard model, but what’s under the skin is quite unique.

The A7 h-tron quattro concept is a fuel cell hydrogen vehicle with a plug-in hybrid setup, featuring fuel cell stack installed under the bonnet, which comprises over 300 individual cells that together form a stack. The core of each of these individual cells is a polymer membrane. There is a platinum-based catalyst on both sides of the membrane.

When used in fuel cell mode, the Audi A7 h-tron quattro concept needs around 1 kg of hydrogen to cover 62 miles which translates roughly to 76mpg.

The four hydrogen tanks offer a range of more than 310.7 miles, while a full refill takes approximately three minutes.

In addition to a fuel cell system, the concept features a 8.8 kWh lithium-ion battery pack sourced from the A3 Sportback e-tron installed beneath the trunk, offering 31.1 miles purely electric range. The battery can be recharged either by recuperation or using a power socket.

There are two front & rear electric motors driving both axles independently, with each engine providing a maximum output of 85 kW (or up to 114 kW if the voltage is temporarily raised) and 199 lb-ft of torque.

Combined output is 228bhp and 398 lb-ft of torque, taking the 1,950kg concept from 0-62mph in 7.9 seconds on to a top speed of 111.8mph.

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Audi A7 Sportback h-tron quattro concept 7

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Audi A7 Sportback h-tron quattro concept


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