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Citroën introduced the C6 concept car at the Geneva Motor Show in 1999. The C6 was to be its flagship model, intent on replacing the aging XM. However, it did not go into production until late 2005. The C6 was Citroën’s last model in a long line of large, self-levelling hydro-pneumatic suspension models, going all the way back to the 1955 DS/ID. It has a striking fastback profile, thanks in large part to its unusual concave rear window. Unlike its XM predecessor, the C6 is not a hatchback; it is a conventional sedan with a trunk opening, the top of which contains a spoiler which automatically deploys depending on the speed of the car.
In addition to Citroën’s electronically controlled Hydractive suspension, the C6 is also loaded with high-tech features such as a lane departure warning system, a head-up display, and xenon directional headlamps, which turn in unison with the steering wheel.
A diesel-powered V6 was offered, but the model seen here is optioned with a 3.0 gasoline-fed V6, making 208 hp, paired with a 6-speed automatic transmission. A 6-speed manual transmission was also offered. This particular C6 is painted in what Citroën calls Ganache, somewhere in-between burgundy and chocolate brown. Reviews of the day praised the C6 for its blend of comfort and performance, much like its peers, the Audi A8 and BMW 7-series.
The C6 was a bit of sales bust for Citroën’s parent company, Peugeot, who, after selling only 23,000 examples in seven years (they were hoping for 20,000 per year), discontinued the C6 in 2012.
Manufacturer: Peugeot S. A., Automobiles Peugeot Paris
Country of Origin: France
Drivetrain Configuration: Front-engine, front-wheel drive
Engine: 3.0L, water-cooled, V6, 208 hp
Transmission: 6-speed automatic
Top Speed: 143 mph
Years of Production: 2005-2012
Number Produced: 23,400
Original Cost: Starting price of € 42,000 ($52,300 USD) in 2005