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2015 BMW 6-Series Review

The 2015 BMW 6 Series ranks highly in the luxury large car class. It offers well-balanced performance, and it has a comfortable interior with user-friendly features.

Pros & Cons

  • Agile handling
  • Lineup of powerful engines
  • User-friendly infotainment system
  • Good reliability rating
  • Limited rear-seat headroom in Gran Coupe




Critics' Rating: 8.7
Performance: 8.4
Interior: 8.4
Total Cost of Ownership: 7.3
This model has never been fully tested for safety. Its overall score is being calculated without safety.
J.D. Power Ratings Logo

2015 BMW 6-Series Overview

Is the 2015 BMW 6 Series a Good Used Car?

The 6 Series is a good used luxury large car. With coupe, sedan, and convertible body styles, there are plenty of options to satisfy most shoppers. BMW’s sporty DNA is toned down a bit in this car, but it still delivers as a high-end, long-haul cruiser. Accommodations inside are great, with top-notch materials and user-friendly features. Rear-seat space could be better, but that’s a common downside in the class.

Why You Can Trust Us

We’ve researched 34 BMW 6 Series reviews, as well as hard data points like reliability ratings and cost of ownership estimates, to help you make the best car-buying decision possible.

U.S. News & World Report has been ranking cars since 2007, and our team has more than 75 years of automotive industry experience combined. While we’re passionate about cars, we’re even more committed to providing helpful consumer advice. To ensure our reviews remain impartial, we refuse expensive gifts and trips from car companies, and an outside team handles the advertising on our site.

How Much Is the 2015 BMW 6 Series?

Based on listings for the 2015 BMW 6 Series on our site, the average price is around $42,500, which is one of the highest in the class. Prices range from $34,000 to $71,000 and vary depending on the vehicle’s condition, mileage, features, and location.

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How Much Does the 2015 BMW 6 Series Cost to Own?

The 2015 6 Series’ five-year costs for gas, insurance, repairs, and maintenance are projected to be about $37,500, or $7,500 per year. That’s above average for a luxury large car.

Is It Better to Buy a Used or New 6 Series?

Both the 2015 and the 2019 BMW 6 Series belong to the same generation, but there are some differences between these models. For 2019, BMW introduced a Gran Turismo hatchback body style and discontinued the 6 Series Coupe and convertible body styles. A 2019 6 series comes standard with Apple CarPlay, a Wi-Fi hot spot, and the BMW Active Driving Assistant package of advanced safety features. If the changes made over the years aren’t important to you, stick with an older 6 Series, which could save you tens of thousands of dollars compared to a new model.

Read about the new BMW 6 Series »

For what you might pay for a 2015 6 Series, consider a new luxury midsize car like the Genesis G80. The G80 starts at just over $42,000, which is in the price range of a lower-trim 6 Series. Like the BMW, this Genesis boasts well-rounded performance with handling that strikes a nice balance between sportiness and comfort. You can pick from one of three potent engine options, including a 420-horsepower V8. The G80 also has a plush, roomy interior that is one of the best in the class.

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Which Model Year of the BMW 6 Series Is Best?

The biggest change for the 2015 6 Series was the introduction of the high-performance Alpina B6 model. If you’re not interested in that variant, consider shopping for a nearly identical 2014 6 Series, which will likely cost less than a 2015 model. For 2014, BMW introduced the M6 Gran Coupe, and a manual transmission became available in M6 models. BMW also updated the iDrive infotainment system, and all-wheel drive became available in the base 640i.

Compare the 2013, 2014, and 2015 6 Series »

How Reliable Is the 2015 BMW 6 Series?

The 2015 BMW 6 Series has an above-average reliability rating of four out of five from J.D. Power. This rating is typical for the luxury large car class.

Read more about 6 Series reliability »

2015 BMW 6 Series Recalls

At the time of writing, there are no recalls for the 2015 BMW 6 Series.

See more information on BMW 6 Series safety recalls »

Which Used BMW 6 Series Model Is Right for Me?

The 2015 BMW 6 Series comes in four trims: 640i, 650i, M6, and Alpina B6. It’s available in three body types: coupe, Gran Coupe, and convertible. All models come well-equipped with most of the car's available infotainment and comfort features, including a 10.2-inch infotainment screen, navigation, smartphone integration, leather upholstery, and heated front seats.

If you're looking for a comfortable cruiser, the base 640i and its 315-horsepower turbocharged six-cylinder engine should be fine. The midrange 650i offers a nice combination of upgraded engine power (thanks to a twin-turbo V8), price, and availability. The M6 and Alpina B6 deliver the most formidable performance of the lineup, but these will likely be the priciest and hardest-to-find models.

See 2015 BMW 6 Series trims and specs »

What Does BMW's Certified Pre-Owned Warranty Cover?

The BMW Certified CPO program is available on vehicles with between 300 and 60,000 miles on the odometer. The program covers buyers for one year with unlimited mileage after the four-year/50,000-mile new-vehicle limited warranty has expired. This warranty can be renewed for a fee, but there is a maximum of five years of coverage. Each BMW must pass a road test and a 196-point inspection before earning CPO status. Additional benefits like towing and 24-hour roadside assistance may be available. Restrictions apply on transferring CPO coverage to subsequent owners. Read the BMW warranty page carefully.

BMW has one of the less-attractive CPO programs among luxury car manufacturers, according to our research. You’ll get better warranties from Mercedes-Benz, Audi, and Jaguar.

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How Safe Is the 6 Series?

Neither the National Highway Traffic Safety Administration nor the Insurance Institute for Highway Safety has crash tested the 2015 BMW 6 Series. That’s common for luxury vehicles.

Standard driver assistance features include a rearview camera and front and rear parking sensors. Available safety features include automatic high-beam headlights, automatic parking assist, a surround-view parking camera, a head-up display, blind spot monitoring, lane departure warning, adaptive cruise control, forward collision warning, forward automatic emergency braking, and pedestrian detection.

See 6 Series safety scores »

2015 BMW 6 Series Versus the Competition

Which Is Better: 2015 BMW 6 Series or 2015 Audi A7?

Like the 6 Series, the 2015 Audi A7 is a great choice in the luxury large car class. Both of these cars have elegant interiors and a lineup of potent engines. The A7’s engines produce from 240 to 560 horsepower, and like the BMW, the Audi boasts swift acceleration, nimble handling, and a smooth ride. All A7s come in a fastback body style, which offers a ton of cargo space, but it limits rear headroom. These cars both have a long list of infotainment and safety technology, along with good reliability ratings. With similar list prices, choosing between them may come down to preference. However, driving the A7 will save you about $4,600 over five years in projected operating costs.

Which Is Better: 2015 BMW 6 Series or 2015 Mercedes-Benz CLS?

The 2015 Mercedes-Benz CLS stacks up well against the 6 Series. Both of these German rivals offer several muscular engines and high-performance models, and the CLS seamlessly melds engaging handling with a posh ride. Both of these cars boast opulent interiors, but the Mercedes’ COMAND infotainment system can be frustrating to learn and use on the go. Picking between the 6 Series and the CLS is a toss-up.

Compare the 6 Series, A7, and CLS »

2015 6 Series Performance

How Does the 2015 BMW 6 Series Drive?

The 2015 BMW 6 Series comes standard with a 315-horsepower turbocharged six-cylinder engine and an eight-speed automatic transmission. Three other engines are available: a 445-horsepower twin-turbocharged V8, a 540-horsepower twin-turbo V8, and a 560-horsepower twin-turbo V8. A seven-speed dual-clutch automatic and a six-speed manual transmission are available.

Though the base six-cylinder engine packs plenty of punch, the twin-turbo V8s deliver sports- car-like acceleration. Rear-wheel drive is standard, and all-wheel drive (xDrive) is available. The 6 Series has nimble handling, responsive steering, and a comfortable ride.

Does the 2015 BMW 6 Series Get Good Gas Mileage?

BMW 6 Series models with the six-cylinder engine get up to 21 mpg in the city and 31 mpg on the highway, which are great numbers for a luxury large car. Models with the V8 engine and the manual transmission return 15 mpg in the city and 22 mpg on the highway, while those with the automatic transmission get 14/20 mpg city/highway.

Read more about 6 Series performance »

2015 6 Series Interior

How Many People Does the 2015 6 Series Seat?

The BMW 6 Series coupe and convertible seat four people. Rear-seat space is pretty tight in both of these models, and the two-door configuration makes second-row entry and exit tough. The 6 Series Gran Coupe sedan holds five people. There’s generous legroom in the Gran Coupe, but the sloping roofline cuts into headroom.

Leather upholstery, 10-way power-adjustable front seats, and heated front seats are standard. Available features include a heated steering wheel, ventilated front seats, and 20-way power-adjustable front seats.

How Many Car Seats Fit in the 2015 BMW 6 Series?

For installing child safety seats, there are two complete sets of LATCH connectors on the 6 Series’ rear seats.

2015 BMW 6 Series Features

Standard features in the 2015 6 Series include proximity keyless entry, push-button start, dual-zone automatic climate control, a moonroof (hardtop models), a 10.2-inch infotainment display, navigation, satellite radio, HD Radio, Bluetooth, and a USB port. Available features include a Bang & Olufsen stereo and a Harman Kardon stereo.

The iDrive infotainment system earns praise for its straightforward operation and quick responses to your inputs.

See 2015 BMW 6 Series specs »

Read more about 6 Series interior »

2015 BMW 6 Series Dimensions

BMW 6 Series Cargo Space

The 2015 BMW 6 Series Gran Coupe and coupe have 16.2 cubic feet of trunk space, which is decent for a luxury large car. Convertible models have 12.4 cubic feet with the top raised and 10.6 cubic feet with it lowered.

2015 6 Series Length and Weight

The BMW 6 Series ranges from 16.1 to 16.5 feet long. Its curb weight ranges from 4,001 to 4,780 pounds.

Where Was the 2015 BMW 6 Series Built?

BMW built the 2015 6 Series in Germany.

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