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2018 BMW 6-Series GranTurismo Overview, Reviews, Ratings & Specs

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Drew B | October 4, 2025
The 2018 BMW 6-Series GranTurismo, produced from 2017 to 2023, blended the elegance of a coupe with the practicality of a hatchback. This unique body style, often referred to as a four-door coupe or a liftback, offered a distinctive silhouette. Key trims for 2018 included the 640i xDrive Gran Turismo and the 650i xDrive Gran Turismo, with new models typically starting in the mid-$50,000s. Its popularity stemmed from its luxurious interior, sporty driving dynamics, and the versatile cargo space provided by its hatchback design, setting it apart from traditional sedans.
The Good

The 2018 6-Series GranTurismo impresses with its potent engines and engaging handling, appealing to driving enthusiasts. Its spacious, opulent cabin and smooth ride offer exceptional comfort for all occupants. The sleek, modern design turns heads, while the practical hatchback offers surprising cargo utility, balancing emotion and practicality.

The Bad

Potential owners should be aware of its relatively high price point for its segment and some reports of a firm ride in sportier modes. Early models sometimes experienced infotainment glitches, and the complex nature of BMW systems can lead to higher repair costs if issues arise.

2018 BMW 6-Series GranTurismo: Quick Overview

  • Engine Options:
    • 640i xDrive Gran Turismo: 3.0-liter turbocharged inline-6 cylinder
    • 650i xDrive Gran Turismo: 4.4-liter twin-turbocharged V8
  • Horsepower:
    • 640i xDrive Gran Turismo: 335 hp
    • 650i xDrive Gran Turismo: 445 hp
  • Fuel Economy (EPA Estimated MPG City/Highway):
    • 640i xDrive Gran Turismo: Approximately 20/29
    • 650i xDrive Gran Turismo: Approximately 16/25
  • 0-60 Times (Approximate):
    • 640i xDrive Gran Turismo: Around 4.9 seconds
    • 650i xDrive Gran Turismo: Around 4.1 seconds
  • Towing Capacity: Not typically applicable or advertised for this model as it is a luxury performance vehicle, not designed for towing.
  • Trim-Level Features (Common across trims, with variations):
    • All-wheel drive (xDrive) standard on these models
    • Eight-speed Steptronic automatic transmission
    • Adaptive suspension
    • Power-adjustable front seats with memory
    • Leather upholstery
    • Sunroof
    • iDrive infotainment system with a 10.2-inch display
    • Navigation system
    • Bluetooth connectivity
    • USB ports
    • Advanced driver-assistance features (often optional or part of packages, such as blind-spot monitoring, lane departure warning, adaptive cruise control)
    • LED headlights
    • Power liftgate
    • Dual-zone automatic climate control
    • Keyless entry and push-button start
    • Premium sound system (e.g., Harman Kardon optional)
    • Optional features could include head-up display, heated and ventilated seats, massaging front seats, upgraded leather, and more advanced safety suites.

2018 BMW 6-Series GranTurismo Specifications

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What Problems Does the 2018 BMW 6-Series GranTurismo Have?

While the 2018 BMW 6-Series GranTurismo is generally considered a robust vehicle, like any luxury car, it can have specific issues. One common area of concern for BMWs of this era, including the 6-Series Gran Turismo, can be related to the electrical system. Owners have reported issues with various sensors, the battery management system, and occasional infotainment glitches. These can manifest as warning lights on the dashboard, power windows malfunctioning, or the iDrive system freezing or becoming unresponsive. The complexity of modern BMW electronics means that troubleshooting these issues can sometimes be costly.

Turbocharger and related components can also be a point of attention, especially with higher mileage. Leaks in the intake system, failing turbo solenoids, or issues with the intercooler could lead to a loss of power or reduced fuel efficiency. The inline-6 and V8 engines are generally well-engineered but require diligent maintenance to prevent premature wear.

Suspension components, such as air springs (if equipped) or bushings, can also wear over time, leading to a less comfortable ride or unusual noises. This is particularly true in climates with harsh road conditions or heavy use of road salt. For the 2018 model year specifically, while no widespread catastrophic failures were consistently reported, individual instances of transmission issues, such as rough shifting or delayed engagement, have been noted by some owners, though these are less common than electrical or turbo-related concerns.

Regarding recalls, it's essential to check the National Highway Traffic Safety Administration (NHTSA) database for any specific recalls issued for the 2018 6-Series Gran Turismo. These can range from software updates to mechanical component replacements. For long-term reliability, consistent and timely maintenance is paramount. Adhering to BMW's recommended service intervals, using high-quality fluids and parts, and addressing any minor issues promptly can significantly mitigate the risk of major problems and ensure the longevity of the vehicle.

How long will the 2018 BMW 6-Series GranTurismo last?

The 2018 BMW 6-Series Gran Turismo, when properly maintained, demonstrates strong long-term durability. Owners can realistically expect to achieve 150,000 to 200,000 miles or more of service. This longevity is contingent on adhering to BMW's recommended maintenance schedule, including regular oil changes, fluid flushes, and timely replacement of wear-and-tear items like brakes and tires. Weaknesses that may emerge over time include potential issues with the air suspension components, particularly on models equipped with it, which can become costly to repair after 100,000 miles. Electrical gremlins, such as sensor failures or infotainment system glitches, can also become more prevalent with age and mileage. However, the core powertrain components, particularly the inline-six and V8 engines, are robust and can last for hundreds of thousands of miles if not abused and consistently serviced. Proactive maintenance is the key to maximizing the lifespan and minimizing unexpected repairs for this sophisticated luxury vehicle.

What Technology & Safety Features are Included?

The 2018 BMW 6-Series Gran Turismo was equipped with a sophisticated suite of technology and safety features, reflecting its luxury status. Standard technology included BMW's renowned iDrive infotainment system, controlled via a central dial and touchpad, featuring a 10.2-inch high-resolution display. This system offered navigation, Bluetooth connectivity for phone and audio streaming, USB and auxiliary inputs, and integrated smartphone applications. The standard sound system was premium, often complemented by optional upgrades like the Harman Kardon or Bowers & Wilkins audio systems for an enhanced auditory experience.

Driver-assistance features were a strong suit, though many advanced systems were optional. Standard safety features typically included a comprehensive airbag system, dynamic stability control, traction control, and a rearview camera. However, optional packages significantly enhanced safety and convenience. These could include Driving Assistance Plus packages, which added features like adaptive cruise control with stop-and-go functionality, lane keeping assist, blind-spot monitoring, and forward collision warning with automatic emergency braking. Parking assistance systems, such as front and rear parking sensors and surround-view cameras, were also frequently optioned.

Other notable technology features included a head-up display (HUD) which projected key driving information onto the windshield, keyless entry and ignition, and a power-operated liftgate for convenient cargo access. Optional comfort features such as ventilated and massaging front seats, heated rear seats, and a panoramic sunroof further elevated the premium experience.

Crash-test ratings for the 2018 BMW 6-Series Gran Turismo are generally positive, though specific ratings can vary by testing agency and year. The Insurance Institute for Highway Safety (IIHS) typically awarded BMWs of this generation with high marks in their crashworthiness tests. For instance, models often received "Good" ratings in front, side, and roof strength tests, and many received the IIHS's Top Safety Pick or Top Safety Pick+ designation when equipped with specific optional front-crash prevention systems. The National Highway Traffic Safety Administration (NHTSA) also generally awarded the 6-Series with high overall safety ratings.

What Colors Options are Available?

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2018 BMW 6-Series GranTurismo Prices and Market Value

When new, the 2018 BMW 6-Series Gran Turismo had a starting MSRP that typically ranged from around $59,000 for the 640i xDrive Gran Turismo to over $70,000 for the 650i xDrive Gran Turismo, before options. Currently, on the used market, prices for a 2018 model can vary significantly based on mileage, condition, and specific options. You can typically find them in the range of $30,000 to $45,000. The 6-Series Gran Turismo experienced a notable amount of depreciation in its initial years, a common trend for luxury vehicles, but its value has stabilized somewhat as it has aged and become a more niche offering. Factors affecting resale value include the vehicle's maintenance history, the presence of desirable optional packages (like M Sport or premium audio), low mileage, and overall cosmetic condition. Cars in excellent condition with a full service record tend to hold their value better than those that have been poorly maintained or have excessive mileage.

2018 BMW 6-Series GranTurismo Cost of Ownership

Owning a 2018 BMW 6-Series Gran Turismo is generally considered costly rather than economical. Insurance premiums will be higher than for a mainstream sedan due to its luxury status and performance capabilities. Fuel costs will also be a significant factor, especially for the V8 engine, with owners likely spending $2,000-$3,000+ annually depending on driving habits and fuel prices. Maintenance, while crucial for longevity, involves premium parts and labor, often costing $800-$1,500 per year for routine services. Repair costs can escalate quickly, with specialized components and complex electronics potentially leading to bills of several thousand dollars for unexpected issues. Overall, anticipate annual ownership costs well into the thousands, potentially exceeding $4,000-$6,000 annually when factoring in all expenses.

2018 BMW 6-Series GranTurismo Fuel Efficiency

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2018 BMW 6-Series GranTurismo Insurance

Insurance for a 2018 BMW 6-Series GranTurismo is moderately priced, reflecting its status as a Vehicle with strong safety ratings and
reasonable repair costs.

How Does the 2018 BMW 6-Series GranTurismo Compare to Other Vehicle?

The 2018 BMW 6-Series Gran Turismo occupied a unique niche, blending sport sedan dynamics with a versatile hatchback design. Its primary rivals included vehicles that offered similar luxury and performance but often in more conventional sedan or coupe body styles.

Performance: In terms of performance, the 6-Series Gran Turismo, especially with the V8 engine, was a strong contender, offering potent acceleration and BMW's signature engaging driving dynamics. Rivals like the Audi A7 and Mercedes-Benz CLS offered comparable performance, with their own distinct driving characters. The Audi A7 often provided a more refined and understated driving experience, while the CLS leaned towards a more comfort-oriented, yet still sporty, feel. The 6-Series GT often felt a bit more driver-focused than these.

Features: All three (6-Series GT, A7, CLS) offered luxurious interiors, advanced infotainment systems, and a plethora of optional driver-assistance and comfort features. BMW's iDrive system was highly regarded for its functionality, though Mercedes' COMAND system and Audi's MMI were also sophisticated. The Gran Turismo's standout feature was its hatchback utility, which few rivals could match directly. The A7 also offered a liftback, making it a closer competitor in terms of practicality.

Reliability: German luxury cars generally require more diligent maintenance and can be more expensive to repair than their Japanese counterparts. Reliability ratings for all three can be somewhat mixed, with individual ownership experiences varying greatly. BMWs of this era can sometimes face electrical gremlins. The Audi A7 has also seen reports of complex electrical and transmission issues. Mercedes-Benz models can be quite reliable, but costly repairs are still a possibility. For absolute long-term reliability, a Japanese luxury alternative like a Lexus LS or Lexus GS (though these are sedans) might be considered, though they generally lack the same sporty driving feel and unique body style.

Price: When new, the 6-Series Gran Turismo was competitively priced against the A7 and CLS, often slotting slightly higher depending on the trim and options. Used prices have seen significant depreciation for all.

Recommendations: If the unique hatchback practicality is a priority, the 2018 Audi A7 is a strong alternative, offering a similar blend of luxury, performance, and practicality. If a more overtly stylish four-door coupe is preferred and practicality is less of a concern, the Mercedes-Benz CLS is a compelling choice. For those prioritizing ultimate reliability and willing to sacrifice some sportiness and unique styling, a Lexus LS could be considered, though it is a much larger and more traditional luxury sedan.

Final Verdict: Is the 2018 BMW 6-Series GranTurismo a Good Vehicle?

The 2018 BMW 6-Series Gran Turismo is an ideal choice for discerning buyers who appreciate a blend of luxury, performance, and practicality, but want something distinctive. It's perfect for those who find traditional sedans too common and coupes too impractical, desiring a vehicle that offers engaging driving dynamics with surprising cargo versatility.

Whether it's worth buying hinges on individual priorities and budget. As a used vehicle, it represents a compelling value proposition, offering a premium experience at a lower cost than when new. It is particularly worth considering if found in well-maintained condition with comprehensive service records. Opting for the 640i xDrive Gran Turismo is often a good balance of performance and economy, while the 650i xDrive Gran Turismo offers exhilarating power for those who desire it. Buying used is strongly recommended due to significant depreciation, making it accessible to a wider audience without the premium of a new car purchase. Focus on models with lower mileage and a full history for the best long-term ownership experience.

2018 BMW 6-Series GranTurismo Owner Reviews

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Drew B

Drew is a seasoned automotive expert and contributor to VinCheck.info. With nearly 15 years of experience as a former Porsche technician, he brings a wealth of hands-on knowledge to his writing. Born in North Carolina, a region renowned for its deep-rooted NASCAR culture, Drew developed a passion for cars early in life, often building and working on vehicles from a young age. At VINCheck, Drew leverages his extensive technical background to provide in-depth analyses of various vehicles. His articles often focus on engine performance, reliability, and maintenance insights, offering readers practical information grounded in real-world experience. Some of his notable contributions include reviews on the Mazda CX-5's longevity and detailed examinations of engine options for models like the 2011 Toyota Camry and Tacoma