Herb Chambers BMW of Boston

2026 BMW 8 Series Gran Coupe

Now available at Herb Chambers BMW of Boston in Boston, MA

  • Starting MSRP$90,800
  • Horsepower335–523 hp
  • DrivetrainRear Wheel Drive / All Wheel Drive
  • FuelPremium Unleaded (Recommended) / Premium Unleaded (Required)
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Common questions
2026 BMW 8 Series Gran Coupe M850i Xdrive
2026 BMW 8 Series Gran Coupe M850i Xdrive shown

The 2026 BMW 8 Series Gran Coupe brings executive-sedan proportions, available all-wheel drive, and a choice of six- or eight-cylinder power to Boston. At Herb Chambers BMW of Boston, shoppers can explore how the 840i, 840i xDrive, and M850i xDrive differ in price, output, drivetrain, and fuel requirements. This page outlines the model’s dimensions, performance specifications, cargo capacity, and configuration details, while also placing it alongside other 2026 BMW choices. When it is time to plan a visit, the dealership’s live inventory, service resources, trade-in tools, and financing options help organize the next step from 1168 Commonwealth Avenue in Boston, MA.

Starting MSRP
$90,800
Horsepower
335–523 hp
Drivetrain
Rear Wheel Drive / All Wheel Drive
Fuel
Premium Unleaded (Recommended) / Premium Unleaded (Required)
Body Style
Sedan

How the 8 Series Gran Coupe Compares Across the BMW Lineup

Pricing, power, efficiency, seating, and propulsion create distinct paths through BMW’s 2026 lineup. The 2026 BMW 8 Series Gran Coupe starts at $90,800 MSRP; MSRP excludes tax, title, registration and dealer fees.

2026 BMW 8 Series Gran Coupe compared with 2026 BMW M3, 2026 BMW 7 Series, 2026 BMW i7
Spec2026 BMW 8 Series Gran Coupe2026 BMW M32026 BMW 7 Series2026 BMW i7
Starting MSRP$90,800$83,500$99,300$105,700
Horsepower335–523 hp503–523 hp375–536 hp—
DrivetrainRear Wheel Drive / All Wheel DriveRear Wheel Drive / All Wheel DriveRear Wheel Drive / All Wheel DriveRear Wheel Drive / All Wheel Drive
FuelPremium Unleaded (Recommended) / Premium Unleaded (Required)Premium Unleaded (Required)Premium Unleaded (Required)Electric

Manufacturer figures for the model year shown; a range spans that model's trims. Starting MSRP excludes tax, title, registration, and dealer fees.

Compared with the 2026 BMW M3, the 8 Series Gran Coupe starts at $90,800 versus $83,500 and offers 335–523 horsepower versus 503–523 horsepower. The M3 also lists 16 city / 23 highway EPA MPG and seating for five, favoring shoppers focused on a lower starting price, while the 8 Series Gran Coupe suits those considering its larger grand-touring sedan format and available six- or eight-cylinder power.

Compared with the 2026 BMW 7 Series, the 8 Series Gran Coupe starts at $90,800 versus $99,300 and produces 335–523 horsepower versus 375–536 horsepower. The 7 Series lists 18–25 city / 25–31 highway EPA MPG and a 35-mile electric range, favoring shoppers interested in efficiency or electric assistance, while the 8 Series Gran Coupe offers a lower starting MSRP and a gasoline-powered configuration.

Compared with the 2026 BMW i7, the 8 Series Gran Coupe starts at $90,800 versus $105,700 and uses gasoline, while the i7 is electric with 77–85 city / 83–93 highway EPA MPGe and a 285–314-mile electric range. The i7 favors shoppers prioritizing electric driving, while the 8 Series Gran Coupe suits buyers seeking a gasoline sedan with rear-wheel drive or all-wheel drive.

Specifications and Configuration

The 2026 BMW 8 Series Gran Coupe is a sedan with an eight-speed automatic transmission, a 119-inch wheelbase, and a 200.3-inch overall length. Its 76.1-inch width, 55.4-inch height, and 84.1-inch width with mirrors give the body a long, low profile.

Across the lineup, output ranges from 335 to 523 horsepower and torque ranges from 369 to 553 lb-ft. Engine choices span 3.0 to 4.4 liters, six to eight cylinders, inline or V layouts, and 2,998 to 4,395 cc of displacement. Peak power arrives at 5,000 to 5,500 rpm, while peak torque arrives at 1,600 to 1,800 rpm.

The 8 Series Gran Coupe has a 4,180-pound curb weight, an 18-gallon fuel capacity, and 15.5 cubic feet of cargo space behind the rear seats. Fuel requirements vary by trim: premium unleaded is recommended for the 840i and 840i xDrive, while premium unleaded is required for the M850i xDrive.

Buying a 2026 BMW 8 Series Gran Coupe in Boston

Herb Chambers BMW of Boston serves Boston-area shoppers from 1168 Commonwealth Avenue. Review the search inventory for current new-vehicle listings, then use the trade-in tool to prepare for a purchase conversation.

The dealership also provides BMW service resources for ongoing ownership. Schedule maintenance through the service scheduler, review service and parts specials, or contact the team at (617) 271-2376.

What to Weigh Before Buying

Start by deciding whether rear-wheel drive or all-wheel drive better fits the intended use. The 840i uses rear-wheel drive, while the 840i xDrive and M850i xDrive use all-wheel drive.

Trim selection also changes the engine experience and fuel requirement. The 840i and 840i xDrive use a 3.0-liter inline six-cylinder with 335 horsepower and 369 lb-ft of torque; the M850i xDrive uses a 4.4-liter V8 with 523 horsepower and 553 lb-ft of torque.

Budget planning should include the starting MSRP, the $1,175 destination charge, and applicable tax, title, registration, and dealer fees. Cargo space measures 15.5 cubic feet behind the rear seats, an important consideration for regular travel and daily use.

Frequently Asked Questions

7 common questions answered

What is the starting price of the 2026 BMW 8 Series Gran Coupe?The 2026 BMW 8 Series Gran Coupe starts at $90,800 MSRP.

The $90,800 starting MSRP applies to the 840i. The lineup also includes the 840i xDrive at $93,800 and the M850i xDrive at $106,300.

  • Destination charge: $1,175
  • MSRP excludes tax, title, registration and dealer fees
  • Pricing varies by trim
Which powertrains are offered?The 8 Series Gran Coupe offers a 3.0-liter inline six-cylinder or a 4.4-liter V8.

The 840i and 840i xDrive use the 3.0-liter inline six-cylinder with 335 horsepower and 369 lb-ft of torque. The M850i xDrive uses the 4.4-liter V8 with 523 horsepower and 553 lb-ft of torque.

  • Six-cylinder output: 335 horsepower
  • V8 output: 523 horsepower
  • All trims use an eight-speed automatic transmission
Does the 8 Series Gran Coupe offer all-wheel drive?All-wheel drive is offered on the 840i xDrive and M850i xDrive.

The 840i uses rear-wheel drive, providing a choice between the standard drivetrain and the all-wheel-drive xDrive configuration. Both xDrive trims pair all-wheel drive with their respective engine choices.

  • 840i: rear-wheel drive
  • 840i xDrive: all-wheel drive
  • M850i xDrive: all-wheel drive
What fuel does the 2026 BMW 8 Series Gran Coupe use?The 8 Series Gran Coupe uses premium unleaded fuel.

Premium unleaded is recommended for the 840i and 840i xDrive. Premium unleaded is required for the M850i xDrive.

  • 840i: premium unleaded recommended
  • 840i xDrive: premium unleaded recommended
  • M850i xDrive: premium unleaded required
How much cargo space does it have?The 2026 BMW 8 Series Gran Coupe has 15.5 cubic feet of cargo space behind the rear seats.

That cargo area accompanies a sedan body measuring 200.3 inches long, with a 119-inch wheelbase. The dimensions support a long-distance-oriented profile while preserving usable space behind the rear seats.

  • Cargo behind rear seats: 15.5 cubic feet
  • Overall length: 200.3 inches
  • Wheelbase: 119 inches
Should I choose the 8 Series Gran Coupe or the 2026 BMW 7 Series?Choose based on whether gasoline performance or electric assistance and efficiency matter more.

The 8 Series Gran Coupe starts at $90,800 and offers 335–523 horsepower, while the 7 Series starts at $99,300 and offers 375–536 horsepower. The 7 Series also lists 18–25 city / 25–31 highway EPA MPG and a 35-mile electric range.

  • 8 Series Gran Coupe starting MSRP: $90,800
  • 7 Series starting MSRP: $99,300
  • Both offer rear-wheel drive or all-wheel drive
How can I see a 2026 BMW 8 Series Gran Coupe in Boston?Contact Herb Chambers BMW of Boston and review live new inventory before planning a visit.

The dealership is located at 1168 Commonwealth Avenue in Boston, MA. Inventory changes over time, so the online search is the practical place to check current listings before contacting the store.