The new generation Audi A6 will also spawn a hybrid version in near future, based on the same system they use for the the Q5 hybrid quattro. At 37 mpg, the hybrid is not the most fuel efficient version of the car, becasue the 48 mpg 2.0 TDI is, but it will offer a good compromise between power and efficiency.
The A6 hybrid system consists of a 155 kW (211 hp) 2.0 TFSI, with an electric motor which is located behind the engine in place of the torque converter, that delivers 33 kW (45 hp) and 211 Nm (155.63 lb-ft) of torque. It also get a modified 8-speed tiptronic which sends the power to the front wheels.
Audi A6 hybrid goes from 0 to 60 mph in 7.3 seconds and has a top speed of 238 km/h (147.89 mph). Average fuel consumption is 6.2 liters per 100 km (37.94 US mpg), a CO2 emissions level of 142 grams per km (228.53 g/mile).
The Audi A6 hybrid can achieve speeds of up to 100 km/h (62.14 mph) purely on electricity; at a constant speed of 60 km/h (37.28 mph), it has a range of 3 km. Special indicators on the instrument cluster and on the MMI monitor provide of detailed display of the different driving conditions.
A crash-protected area of the luggage compartment houses a light, compact lithium-ion battery that provides 1.3 kWh of nominal power and generates 39 kW. Depending on requirements, it is air-cooled in two ways – by means of a blower from the interior or by means of an internal refrigerant circuit coupled to the automatic air conditioning system.
This technology largely maintains the rechargeable battery within the appropriate temperature range, thereby ensuring that the vehicle operates on electric power a comparatively large percentage of the time.