CHANGES FOR 2015:

-No changes

Following a 2014 that brought a new diesel engine and a high-performance RS7 model, 2015 model-year A7, S7 and RS7 carry over with only very minor trim updates.

The A7 is available with a supercharged 3.0L V6 (3.0T; 310 hp/325 lb-ft of torque) or a 3.0L turbodiesel V6 (TDI; 240 hp/428 lb-ft); the S7 uses a 4.0L turbocharged V8 (420 hp/406 lb-ft); and the RS7 gets a more-turbocharged version of the 4.0L V8 that cranks out 560 hp and 516 lb-ft. A7 and RS7 models use an eight-speed automatic transmission, while the S7 gets a seven-speed dual-clutch automatic.

A7 trims are Progressiv and Technik; the S7 and RS7 each come in a single trim.

A7 standard equipment includes 19-inch wheels, LED daytime running lights, Xenon headlights with washers, integrated all-weather light function, LED taillights, sunroof, power tailgate with movement-activation, side mirrors with turn signal repeaters, dual-zone automatic climate control, leather upholstery, eight-way power front seats with driver memory and four-way lumbar, heated front and rear seats, load-through provision, auto-dimming rearview mirror, Audi MMI navigation, eight-inch colour display screen, 10-speaker stereo, satellite radio, Bluetooth, Audi music interface, heated leather steering wheel with shift paddles, electric steering wheel adjustment, Audi MMI Touch with handwriting recognition, garage door opener, colour driver information display, automatic headlights and wipers, intelligent keyless entry, front and rear parking system, cruise control, Audi drive select and pre-sense rear.

Technik trim adds adaptive headlights, four-zone climate control, 14-speaker stereo, corner view camera, ventilated front seats, Audi side assist, electric-folding side mirrors, four-way power lumbar for both front seats, Audi pre-sense rear, and a manual rear-window sunshade.

The S7 further adds Valcona leather seats, sport seats, 20-inch wheels, and LED headlights.

RS7 standard kit builds on the S7, and adds 21-inch wheels.

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