the Q7). Nissan's Infiniti marque first used Q for their 1989 Infiniti Q45 flagship, but later expanded to its entire lineup, with Q for passenger cars (the Q30, Q40, Q50, and Q60) and QX for SUVs (the QX30, QX50, QX60, and QX70). A settlement between Audi AG and Nissan was reached in late 2006. The agreement stipulates that Audi will only use the Q-prefix for three models, the Q3, Q5 and the Q7. Facelift (2010–2015) The vehicle was unveiled at the 2009 Pebble Beach Concours d'Elegance. Exterior changes include new front and rear lights which better incorporate LED lighting with optional LED turn signals and daytime running lights, new wheel designs, chrome accents, four new paint colours, and updated body styling in the front and rear. A redesigned interior includes a new instrument cluster, new leather seating, ambient door lighting, new interior colour choices, new trim, and the third generation MMI control system. Q7 3.0 TDI clean diesel quattro (2009–2015) It is a version of 3.0 TDI with selective catalytic reduction. CO2 emission was reduced to 234 g/km with Euro 6 certification, but the vehicle is heavier. Per Popular Mechanics 01 Oct. 2009, at 72.5MPH with an RPM of 2,200 - 2,500 (the sweet spot of the top 6th gear), the car achieved a 29.6 MPG of diesel. The 8-speed transmission, available 2011 and later, was 11-14% more fuel-efficient than the previous 6-speed transmission (available since 2009-2010 model year) in U.S. models. Q7 2011 A brand new facelift brought optional LED headlights, an 8-speed transmission, start/stop fuel-saving technology, CO2 rating reduced to 195 g/km, and a wraparound tailgate design. Also, more flat and metallic colours became available and 21-inch titanium-effect wheels became an optional extra. Certain models now achieved upwards of 37 MPG IMP. The 3.6 L V6 and 4.2 L V8 gasoline engines both of which are naturally-aspirated have been replaced by 3.0 L supercharged V6 gasoline engines. One of the supercharged engines puts out and of torque. The other engine, also found in the Audi S4 and Audi S5 Cabrio, puts out and of torque is used in the S-line Prestige Q7. Both engines have the same fuel economy. Q7 2012 Audi added their new Audi Connect to the MMI system, which adds internet-driven POI search, via user input or the voice control system, as well as access to online services delivering local fuel prices, news, weather and