The 2018 BMW 6 Series Convertible comes equipped with a 3-liter I6 that makes 315 hp @ 5800 rpm horsepower and 330 lb.-ft. @ 1300 rpm of torque. The car takes 4.95 seconds to reach 60 MPH from a standstill while it is able to run a quarter-mile in - seconds.

The BMW also offers another engine. It is an 4.4-liter V8 that spills out 445 hp @ 5500 rpm horsepower and 480 lb.-ft. @ 2000 rpm of torque. This powertrain is available with the 650i 2dr Convertible (4.4L 8cyl Turbo 8A) and helps the car to reach from 0-60 MPH in 4.95 seconds. The BMW 6 Series Convertible covers the quarter-mile run in just - seconds.

2018 BMW 6 Series Convertible 0-60 and Quarter Mile all Trims

Trim Name0-60 MPH
640i 2dr Convertible (3.0L 6cyl Turbo 8A)5.4 sec
640i xDrive 2dr Convertible AWD (3.0L 6cyl Turbo 8A)5.4 sec
650i 2dr Convertible (4.4L 8cyl Turbo 8A)4.5 sec
650i xDrive 2dr Convertible AWD (4.4L 8cyl Turbo 8A)4.5 sec

Used 2018 BMW 6 Series Convertible For Sale

View More
2017 BMW 6 Series
11
Price Drop, $1900
Previous Price: $3549917 Aug 2022

2017 BMW 6 Series 640i Coupe

640i xDrive 2dr Coupe AWD (3.0L 6cyl Turbo 8A)

$33,599
Est. $456/mo
Excellent Deal
$3,917 Below market
RMV: $37,516
Copiague, NY
2018 BMW 6 SeriesHome Delivery
7
Price Drop, $1000
Previous Price: $5299803 Jun 2022

2018 BMW 6 Series 650i Convertible

650i xDrive 2dr Convertible AWD (4.4L 8cyl Turbo 8A)

$51,998
Est. $705/mo
Good Deal
$5,694 Below market
RMV: $57,692
Sterling, VA
2018 BMW 6 SeriesHome Delivery
23
Price Drop, $1676
Previous Price: $4899809 Jun 2022

2018 BMW 6 Series 640i Convertible

640i 2dr Convertible (3.0L 6cyl Turbo 8A)

$47,322
Est. $642/mo
Good Deal
$5,126 Below market
RMV: $52,448
Fort Pierce, FL
2018 BMW 6 Series
24
Price Drop, $100
Previous Price: $5295522 Aug 2022

2018 BMW 6 Series 640i Convertible

640i xDrive 2dr Convertible AWD (3.0L 6cyl Turbo 8A)

$52,855
Est. $717/mo
Good Deal
$5,563 Below market
RMV: $58,418
Dayton, OH
2018 BMW 6 Series
21
Price Drop, $865
Previous Price: $5185016 Aug 2022

2018 BMW 6 Series 640i Convertible

640i 2dr Convertible (3.0L 6cyl Turbo 8A)

$50,985
Est. $692/mo
Good Deal
$5,077 Below market
RMV: $56,062
Scottsdale, AZ
2018 BMW 6 Series
10

2018 BMW 6 Series 640i Convertible

640i 2dr Convertible (3.0L 6cyl Turbo 8A)

$49,588
Est. $673/mo
Good Deal
$4,851 Below market
RMV: $54,439
Salisbury, NC
2018 BMW 6 Series
12
Price Drop, $1007
Previous Price: $4399910 Aug 2022

2018 BMW 6 Series 640i

640i xDrive 4dr Sedan AWD (3.0L 6cyl Turbo 8A)

$42,992
Est. $583/mo
Good Deal
$4,198 Below market
RMV: $47,190
Shrewsbury, MA
2017 BMW 6 SeriesHome Delivery
12
Price Drop, $1005
Previous Price: $4099921 Aug 2022

2017 BMW 6 Series 650i

650i 4dr Sedan (4.4L 8cyl Turbo 8A)

$39,994
Est. $542/mo
Good Deal
$3,876 Below market
RMV: $43,870
Diberville, MS
2019 BMW 6 SeriesHome Delivery
19
Price Drop, $57
Previous Price: $5799620 Jun 2022

2019 BMW 6 Series 650i

650i xDrive 4dr Sedan AWD (4.4L 8cyl Turbo 8A)

$57,939
Est. $786/mo
Good Deal
$5,539 Below market
RMV: $63,478
Rockland, MA

2018 BMW 6 Series Convertible vs. Competitor's 0-60 and Quarter Mile

Car Name0-60 MPH
2018 BMW 6 Series Convertible4.5 - 5.4 sec
2018 Mercedes-Benz E-Class Convertible6.2 sec
2018 Porsche 911 Carrera Convertible3.5 - 4.3 sec

More from BMW 6 Series

Find a used BMW 6 Series for under $29995 | Check out price savings and popular options here!

2018 BMW 6 Series Convertible Exclusive Interior and Exterior Pictures | View latest Pictures

2017 BMW 6 Series Convertible 0-60 and Quarter Mile all Trims

Trim Name0-60 MPH
640i 2dr Convertible (3.0L 6cyl Turbo 8A)5.4 sec
640i xDrive 2dr Convertible AWD (3.0L 6cyl Turbo 8A)5.4 sec
650i 2dr Convertible (4.4L 8cyl Turbo 8A)4.5 sec
650i xDrive 2dr Convertible AWD (4.4L 8cyl Turbo 8A)4.5 sec

2017 BMW 6 Series Convertible vs. Competitor's 0-60 and Quarter Mile

Car Name0-60 MPH
2017 BMW 6 Series Convertible4.5 - 5.4 sec
2017 Mercedes-Benz E-Class Convertible6.2 sec
2017 Porsche 911 Carrera Convertible4.3 sec

2016 BMW 6 Series Convertible 0-60 and Quarter Mile all Trims

Trim Name0-60 MPHStanding 1/4-mileBraking (60 - 0 MPH)
650i xDrive 2dr Convertible AWD (4.4L 8cyl Turbo 8A)5 sec13.9 sec111 ft.
650i 2dr Convertible (4.4L 8cyl Turbo 8A)5.1 sec-111 ft.
640i xDrive 2dr Convertible AWD (3.0L 6cyl Turbo 8A)6.3 sec-111 ft.
640i 2dr Convertible (3.0L 6cyl Turbo 8A)4.9 sec13.6 sec111 ft.

2016 BMW 6 Series Convertible vs. Competitor's 0-60 and Quarter Mile

Car Name0-60 MPHStanding 1/4-mileBraking (60 - 0 MPH)
2016 Porsche 911 Carrera Convertible4.3 - 4.4 sec--
2016 BMW 6 Series Convertible4.9 - 6.3 sec13.6 - 13.9 sec111 ft.
2016 Mercedes-Benz E-Class Convertible6.4 sec--

2015 BMW 6 Series Convertible 0-60 and Quarter Mile all Trims

Trim Name0-60 MPHStanding 1/4-mileBraking (60 - 0 MPH)
650i xDrive 2dr Convertible AWD (4.4L 8cyl Turbo 8A)5 sec13.9 sec111 ft.
650i 2dr Convertible (4.4L 8cyl Turbo 8A)5.1 sec-111 ft.
640i xDrive 2dr Convertible AWD (3.0L 6cyl Turbo 8A)6.3 sec-111 ft.
640i 2dr Convertible (3.0L 6cyl Turbo 8A)6.7 sec-111 ft.

2015 BMW 6 Series Convertible vs. Competitor's 0-60 and Quarter Mile

Car Name0-60 MPHStanding 1/4-mileBraking (60 - 0 MPH)
2015 BMW 6 Series Convertible5 - 6.7 sec13.9 sec111 ft.
2015 Mercedes-Benz E-Class Convertible5.4 - 6 sec--
2015 Porsche 911 Carrera Convertible4.3 - 4.4 sec--

2014 BMW 6 Series Convertible 0-60 and Quarter Mile all Trims

Trim Name0-60 MPHStanding 1/4-mileBraking (60 - 0 MPH)
650i xDrive 2dr Convertible AWD (4.4L 8cyl Turbo 8A)5 sec13.9 sec111 ft.
650i 2dr Convertible (4.4L 8cyl Turbo 8A)5.1 sec-111 ft.
640i xDrive 2dr Convertible AWD (3.0L 6cyl Turbo 8A)6.3 sec-111 ft.
640i 2dr Convertible (3.0L 6cyl Turbo 8A)6.7 sec-111 ft.

2014 BMW 6 Series Convertible vs. Competitor's 0-60 and Quarter Mile

Car Name0-60 MPHStanding 1/4-mileBraking (60 - 0 MPH)
2014 BMW 6 Series Convertible5 - 6.7 sec13.9 sec111 ft.
2014 Jaguar XK Convertible9.4 sec--
2014 Mercedes-Benz E-Class Convertible4.4 - 6.1 sec--

2013 BMW 6 Series Convertible 0-60 and Quarter Mile all Trims

Trim Name0-60 MPHStanding 1/4-mileBraking (60 - 0 MPH)
650i xDrive 2dr Convertible AWD (4.4L 8cyl Turbo 8A)5.2 sec13.9 sec110 ft.
650i 2dr Convertible (4.4L 8cyl Turbo 8A)5.2 sec13.9 sec110 ft.
640i 2dr Convertible (3.0L 6cyl Turbo 8A)5.2 sec13.9 sec110 ft.

2013 BMW 6 Series Convertible vs. Competitor's 0-60 and Quarter Mile

Car Name0-60 MPHStanding 1/4-mileBraking (60 - 0 MPH)
2013 BMW 6 Series Convertible5.2 sec13.9 sec110 ft.
2013 Jaguar XK Convertible5.1 sec--
2013 Mercedes-Benz E-Class Convertible5.1 - 6.1 sec--

2012 BMW 6 Series Convertible 0-60 and Quarter Mile all Trims

Trim Name0-60 MPHStanding 1/4-mileBraking (60 - 0 MPH)
650i xDrive 2dr Convertible AWD (4.4L 8cyl Turbo 8A)4.4 sec12.9 sec110 ft.
650i 2dr Convertible (4.4L 8cyl Turbo 6M)4.7 sec13.1 sec110 ft.
640i 2dr Convertible (3.0L 6cyl Turbo 8A)5.2 sec13.9 sec-

2012 BMW 6 Series Convertible vs. Competitor's 0-60 and Quarter Mile

Car Name0-60 MPHStanding 1/4-mileBraking (70 - 0 MPH)Braking (60 - 0 MPH)
2012 Porsche 718 Boxster4.4 - 5.2 sec---
2012 Chevrolet Corvette Convertible3.5 - 4.4 sec12.1 sec151 ft.118 ft.
2012 BMW 6 Series Convertible4.4 - 5.2 sec12.9 - 13.9 sec-110 ft.
2012 Mercedes-Benz SLK-Class5.4 - 6.4 sec---
2012 Jaguar XK Convertible5.1 sec---

Important 2018 BMW 6 Series Convertible Links: