BMW 6 SERIES (2004-07) 645CI 2DR CONVERTIBLE 4.4 SMG AUTO

Buyer's Guide & Data from our Checks
The BMW 6 SERIES (2004-07) 645CI 2DR CONVERTIBLE 4.4 SMG AUTO is a stylish luxury convertible that appeals to those who enjoy combining performance with open-air driving. Positioned in the premium segment of the UK market, this model is known for its sleek design and powerful 4.4-litre V8 engine, making it a popular choice for car enthusiasts and drivers seeking a glamorous, sporty ride. Its distinctive look and notable driving experience set it apart from many rivals, with many owners appreciating its smooth automatic transmission and classy interior features.
From the data on mycarcheck.com, this vehicle has been the subject of over 1,600 lookups, indicating continued interest in this model. The average recorded mileage of around 104,000 miles suggests it has been used regularly but not excessively, typical for a car of its age. The average valuation of approximately £3,600 reflects its status as a desirable used luxury vehicle, though it’s often bought by passionate drivers rather than families or daily commuters.
The BMW 6 SERIES (2004-07) 645CI 2DR CONVERTIBLE 4.4 SMG AUTO is frequently chosen for its dynamic performance, attractive design, and premium build quality. It is ideal for those who enjoy spirited driving and a luxurious experience, often standing out among its rivals for its blend of power and elegance. While not the most economical, its driveability and style make it a notable choice for experienced drivers seeking a convertible with a touch of sophistication.
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Key Findings
The following statistics are drawn from our checks of 484 different vehicles, run between February 17th 2021 and May 31st 2026. These real-world insights provide context for this vehicle's place in the market, as well as its typical usage.
1,670
Lookups
Lookups
143
Hidden Histories
Hidden Histories
115k
Average Mileage
Average Mileage
£3,600
Average Valuation
Average Valuation












