BMW 6 Series Convertible: Complete Review & Specs

The BMW 6 Series Convertible stands out as a premier grand tourer designed for those who crave the blend of high-speed refinement and the freedom of open-top motoring. This vehicle combines potent turbocharged powertrains with a sophisticated chassis, delivering effortless cruising capability alongside surprising agility for its size. Weighing nearly two tons, it prioritizes sybaritic comfort over raw sports car dynamics, yet retains BMW’s signature driving engagement.

Exterior Design and Aerodynamics

BMW’s styling for the 6 Series Convertible emphasizes elegance and presence. Subtle updates to the front kidney grilles, bumpers, and adaptive LED headlights enhance its aggressive yet refined look, available in striking colors like Melbourne Red. The body’s elongated proportions and 20-inch wheel options contribute to a commanding road stance. Aluminum panels reduce weight, aiding both frugality and responsiveness, while features like radiator flaps optimize airflow for better efficiency. At speeds up to 25 mph, the multi-layered soft top deploys in 19-24 seconds, maintaining structural integrity without excessive buffeting.

Powertrain Options and Performance

Engine choices cater to varied preferences, from efficient inline-sixes to muscular V8s. The 640i’s 3.0-liter turbocharged inline-six produces 315 hp and 330 lb-ft of torque, achieving 0-60 mph in 4.9 seconds and a quarter-mile in 13.6 seconds via a slick ZF eight-speed automatic. The 650i steps up with a twin-turbo V8, offering marginal acceleration gains at the cost of fuel economy, around 9 mpg less than the six-cylinder. Rear-wheel drive ensures balanced propulsion, with engine auto-stop-start and aerodynamic aids pushing efficiency to an impressive 35 mpg in mixed conditions.

These figures position the 6 Series as a relaxed cruiser rather than a track weapon, excelling in high-speed stability.

Interior Comfort and Technology

Step inside, and the cabin exudes luxury with driver-focused ergonomics. A massive infotainment screen dominates, paired with BMW’s intuitive iDrive system for seamless navigation and multimedia control. High-quality leather, wood trims, and a sweeping dashboard create an inviting, personal space. The off-white leather option enhances the airy feel, while the massive center armrest adds to the cocoon-like ambiance. Convertibles feature heat-reflective upholstery that stays cool under direct sun, and an independently adjustable rear glass acts as a wind deflector.

• Crisp navigation display with intuitive controls
• Opulent materials throughout, though some find it understated for the price
• Adjustable rear window reduces turbulence with top down
• Excellent build quality and noise isolation when roof up

Driving Dynamics and Ride Quality

Despite its heft, the 6 Series handles with poise. Cornering remains flat over imperfect surfaces, thanks to a well-damped suspension that isolates imperfections without feeling floaty. The steering provides precise feedback, though not razor-sharp like smaller BMWs. On skidpad tests, it grips at 0.86 g, matching lighter sedans, but prioritizes grand touring composure over playful agility. The ride balances firmness for control with compliance for long hauls, making it ideal for roof-down sun cruises.

Practicality and Space Considerations

While rear seats suit short trips for adults, they’re better for cargo in this four-seater layout. Trunk capacity impresses at 12.3 cubic feet with top up (10.6 down), with a pass-through for longer items. The soft top’s quick operation encourages frequent use, and cabin refinement rivals the coupe when closed. Fuel efficiency measures and lightweight materials make it more affordable to run than rivals.

Safety and Reliability Insights

BMW equips the 6 Series with adaptive headlights, stability systems, and robust chassis engineering. Its weight distribution and aluminum construction enhance safety. User reports praise long-term build quality, though V8 models demand maintenance attention.

Competitor Comparison

Against the Porsche 911 Cabriolet, the 6 Series offers superior comfort for relaxed drives, lacking the Porsche’s sharpness. Mercedes S-Class Cabriolets cost more, while E-Class variants feel less GT-oriented. Muscle cars like Mustang provide thrill at lower prices but miss the refinement.

Ownership Costs and Verdict

Affordable used prices make it accessible, with strong residuals for well-maintained examples. Fuel economy surprises for the class, and the eight-speed transmission ensures smooth shifts. Ideal for those seeking style, power, and usability in a convertible package.

Frequently Asked Questions (FAQs)

How quick is the soft top operation?

It lowers in 19 seconds and raises in 24 seconds, up to 25 mph.

Is the interior spacious?

Front seats are excellent; rears are tight for adults but practical for storage.

What’s the best engine choice?

640i balances power and efficiency; 650i for V8 enthusiasts.

How does it handle compared to sports cars?

Confident and stable, but tuned for comfort over aggression.

Any common issues?

V8s need diligent service; overall reliability is strong.