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2021 BMW X6 M Overview, Reviews, Ratings & Specs

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Simon A | March 31, 2025
The 2021 BMW X6 M is a high-performance, coupe-styled SUV. The X6, introduced in 2008, pioneered this niche. For 2021, the X6 M came in one main trim. It combines SUV practicality with aggressive styling and sports car performance. The original MSRP range started around $109,400. Its powerful engine and luxurious features made it a popular, albeit expensive, choice for those seeking a unique driving experience.
The Good

The 2021 BMW X6 M boasts incredible performance thanks to its powerful engine, offering exhilarating acceleration and handling. Its luxurious interior provides exceptional comfort. While not the most fuel-efficient, the design is undeniably striking and head-turning, appealing to emotional buyers. Practical buyers appreciate the cargo space and advanced technology.

The Bad

Potential weaknesses of the 2021 BMW X6 M include its high price tag and running costs. Fuel economy is not a strong point. Some owners have reported issues with the complicated electronics and infotainment system. The rear visibility can be limited due to the sloping roofline, and the ride can be firm on rough roads. Repair costs can be expensive.

2021 BMW X6 M: Quick Overview

  • Engine Options: 4.4-liter Twin-Turbo V8
  • Horsepower: 600 hp (617 hp with Competition Package)
  • Fuel Economy:
    • City: 13 mpg
    • Highway: 18 mpg
    • Combined: 15 mpg
  • 0-60 mph: 3.8 seconds (3.7 seconds with Competition Package)
  • Towing Capacity: 7,200 lbs (with factory-installed towing package)
  • Trim-Level Features:
    The 2021 BMW X6 M comes in one primary trim, with the optional Competition Package enhancing performance and adding unique styling elements.
    Standard features include:
    • Adaptive M Suspension
    • M Sport Exhaust System
    • M Compound Brakes
    • 21-inch M light alloy wheels
    • Merino Leather Upholstery
    • Heated and Ventilated Front Seats
    • Heated Rear Seats
    • Four-zone Automatic Climate Control
    • Harman Kardon Surround Sound System
    • BMW Live Cockpit Professional (12.3-inch digital instrument cluster and 12.3-inch central information display)
    • Navigation System
    • Apple CarPlay and Android Auto compatibility
    • Wireless Charging
    • Head-Up Display
    • Full suite of driver-assistance features (see safety section)
  • Competition Package adds:
    • Increased horsepower (617 hp)
    • M Sport Exhaust System with Black Chrome Tailpipes
    • 21/22-inch M light alloy wheels
    • Unique interior trim and badging
    • Track Mode

2021 BMW X6 M Specifications

Vehicle Information
Year 2021
Make BMW
Model X6
Trim -
Style Coupe
Type Coupe
Category Standard Small Sport Utility Vehicle 4WD
Manufacturing Details
Made In United States
Manufacturing City GREER
Dimensions
Doors 4-Door
Curb Weight 2295.18 kg
Gross Vehicle Weight Rating 3175.14 kg
Overall Height 169.16 cm
Overall Length 495.3 cm
Overall Width 201.93 cm
Wheelbase Length 297.18 cm
Standard Seating 5
Engine & Performance
Engine 3.0-L V-6
Engine Size 3L
Engine Cylinders 6
Transmission Automatic
Transmission Type Automatic
Transmission Speeds 8-Speed
Drivetrain Four-Wheel Drive
Additional Features
Anti-Brake System 4-Wheel ABS
Steering Type Rack & Pinion
Pricing
Manufacturer Suggested Retail Price (MSRP) $110,595 USD
Invoice Price $103,495 USD
Delivery Charges $995 USD

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What Problems Does the 2021 BMW X6 M Have?

The 2021 BMW X6 M, like many high-performance vehicles, can present some reliability concerns over the long term. Frequently reported problems often revolve around the complex electronics and technology features. Some owners have reported issues with the iDrive infotainment system, including glitches, software malfunctions, and connectivity problems with mobile devices. Sensor failures related to the driver-assistance systems (e.g., parking sensors, blind-spot monitoring) have also been mentioned.
Engine-related issues, while less common, are a concern given the high-performance nature of the twin-turbo V8. Oil leaks and cooling system problems have been reported in some instances. Suspension components, particularly the adaptive dampers, can be prone to wear and tear, leading to costly repairs.
It's crucial to check for any outstanding recalls on the specific vehicle. Recalls can address safety-related defects that could impact the vehicle's reliability and safety. You can check the National Highway Traffic Safety Administration (NHTSA) website with the VIN. While there weren't widespread, model-specific issues exclusively plaguing the 2021 X6 M at the time of its release, issues from previous X6 models with similar engine and electronics packages should be considered. Regular maintenance and adherence to the manufacturer's recommended service schedule are crucial for mitigating potential problems and ensuring long-term reliability.

How long will the 2021 BMW X6 M last?

With proper maintenance, a 2021 BMW X6 M can reasonably provide 150,000 to 200,000 miles or 10-15 years of service. However, this heavily depends on adherence to the service schedule and responsible driving habits. Long-term durability weaknesses often relate to the complex electronics, air suspension components (if equipped), and the high-performance engine's sensitivity to proper oil changes and cooling system maintenance. Neglecting these areas can significantly shorten the vehicle's lifespan and lead to expensive repairs. Regular inspections are critical for identifying potential problems early on.

What Technology & Safety Features are Included?

The 2021 BMW X6 M is packed with advanced technology. The infotainment system features a 12.3-inch touchscreen display, controlled by BMW's iDrive interface. It includes navigation, Apple CarPlay and Android Auto compatibility, and a Harman Kardon surround sound system. A 12.3-inch digital instrument cluster provides customizable driving information.
Standard driver-assistance features include:
  • Forward Collision Warning with Automatic Emergency Braking
  • Lane Departure Warning
  • Blind Spot Monitoring
  • Rear Cross Traffic Alert
  • Adaptive Cruise Control
  • Parking Assistant Plus with Surround View Camera
Optional features include:
  • Night Vision with pedestrian detection
  • Driving Assistant Professional Package with extended traffic jam assistant.

Safety features include a comprehensive airbag system, stability control, and anti-lock brakes.
Crash-test ratings from the IIHS (Insurance Institute for Highway Safety) and NHTSA (National Highway Traffic Safety Administration) should be consulted for the specific 2021 model year, although ratings can vary. Typically, BMW vehicles perform well in crash tests, but it is advisable to review the official reports from these organizations to get a comprehensive assessment of the X6 M's safety performance.

What Colors Options are Available?

Exterior Colors
Alpine White
Carbon Black Metallic
Black Sapphire Metallic
Dark Graphite Metallic
Donington Grey Metallic
Manhattan Green Metallic
Toronto Red Metallic
Tanzanite Blue II Metallic
Marina Bay Blue Metallic
Ametrin Metallic
Interior Colors
Ivory White Extended Merino Leather
Black Extended Merino Leather
Sakhir Orange/Black Extended Merino Leather
Midrand Beige Extended Merino Leather
Ivory White/Night Blue Extended Merino Leather
Black Full Merino Leather
Ivory White Full Merino Leather
Sakhir Orange/Black Full Merino Leather
Midrand Beige Full Merino Leather
Ivory White/Night Blue Full Merino Leather

2021 BMW X6 M Prices and Market Value

The 2021 BMW X6 M had a starting MSRP of around $109,400. Current used market prices vary depending on mileage, condition, and options, but typically range from $70,000 to $90,000. The X6 M depreciates at a rate similar to other luxury SUVs. Factors affecting resale value include mileage, maintenance history, accident history, and optional equipment. Models with the Competition Package and desirable color combinations tend to hold their value better. High mileage and a lack of service records will negatively impact resale value.

2021 BMW X6 M Cost of Ownership

The 2021 BMW X6 M is a costly vehicle to own. Insurance premiums are high due to its performance capabilities and value. Fuel consumption is substantial, leading to significant fuel costs. Maintenance, including oil changes, brake replacements, and tire replacements, is expensive due to the high-performance components. Repairs can be very costly, particularly for engine, transmission, and electronic systems. Long-term ownership costs are considerably higher than average, placing it among the least economical vehicles in its class.

2021 BMW X6 M Fuel Efficiency

Fuel Type Gasoline
Fuel Capacity 39.33 liters
City Mileage 4.76 km/l
Highway Mileage 4 km/l

2021 BMW X6 M Safety Rating

NHTSA
Overall Rating Not Tested
Overall Frontal Star Rating Not Tested
Side Overall Star Rating Not Tested
Overall Rollover Star Rating Not Tested
Combined Front Seat Rating Not Tested
Combined Rear Seat Rating Not Tested
Overall Frontal Star Rating Not Tested
Frontal Barrier Star Ratings Not Tested
Overall Side Star Rating Not Tested
Side Barrier Star Ratings Not Tested
Side Pole Star Rating Not Tested
Combined Side Barrier And Side Pole Star Ratings Not Tested
Rollover Resistance Star Rating Not Tested

2021 BMW X6 M Warranty

Basic
Original warranty 48 months / 50,000 miles
Estimated remaining Expired
Powertrain
Original warranty 48 months / 50,000 miles
Estimated remaining Expired
Rust
Original warranty 144 months / unlimited miles
Estimated remaining 96 months / unlimited miles

2021 BMW X6 M Insurance

Insurance for a 2021 BMW X6 M is moderately priced, reflecting its status as a Coupe with strong safety ratings and
reasonable repair costs.

How Does the 2021 BMW X6 M Compare to Other Coupe?

The 2021 BMW X6 M competes with other high-performance coupe-styled SUVs like the Mercedes-AMG GLE 63 S Coupe, Audi RS Q8, and Porsche Cayenne Coupe Turbo. In terms of performance, the X6 M is on par with these rivals, offering blistering acceleration and impressive handling. Features are comparable across the board, with all models offering luxurious interiors and advanced technology.
Reliability is a key differentiating factor. The Audi RS Q8 and Porsche Cayenne Coupe Turbo are generally considered to be slightly more reliable than the BMW X6 M, based on owner reports and expert reviews. The Mercedes-AMG GLE 63 S Coupe also presents similar reliability concerns to the X6 M. Price-wise, these vehicles are all in a similar range, making the decision largely dependent on individual preferences and priorities.
If reliability is a top concern, the Porsche Cayenne Coupe Turbo or the Audi RS Q8 might be better alternatives. However, if you prioritize the unique styling and driving experience of the BMW X6 M, and are willing to accept the potential for higher maintenance costs, then it remains a compelling choice. Another option to consider, though not a coupe-SUV, is the Range Rover Sport SVR for similar performance and luxury with a different aesthetic.

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Final Verdict: Is the 2021 BMW X6 M a Good Coupe?

The 2021 BMW X6 M is ideal for buyers seeking a high-performance SUV with distinctive styling and a luxurious interior. It's worth buying if you prioritize performance and design over fuel economy and long-term reliability. Given the depreciation, a used model offers better value. A well-maintained example with a comprehensive service history is crucial. While the Competition Package enhances performance, it's not essential. Consider the potential for higher maintenance costs and factor that into your budget. If you can afford the running costs and appreciate its unique appeal, the X6 M delivers a thrilling driving experience.

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Simon A

Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.