The BMW 6 SERIES (2004-07) M6 2DR COUPE 5.0 SMG AUTO is a luxury performance coupe in the premium used-car market. Its striking shape and 5.0-litre engine make it an alternative to a conventional saloon. Mycarcheck.com records 697 checks across 210 different VINs, showing solid interest in this rare model. Best suited to enthusiasts, couples and drivers wanting excitement, the M6 is less practical for families: rear seats and boot space are secondary to style and performance. Mycarcheck data shows an average mileage of 84,000 miles and 4,000 annual miles; cars averaged 6.4 keepers, so verify service and ownership history. Compared with luxury rivals such as the Mercedes-Benz CLK, the BMW 6 Series M6 stands out for its presence and thrilling, high-revving V10 character, paired with an automated-shift gearbox. It is not a frugal or low-cost choice, so budget for fuel and upkeep; the mycarcheck average private-sale value is £12,100.