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)

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.
| Spec | 2026 BMW 8 Series Gran Coupe | 2026 BMW M3 | 2026 BMW 7 Series | 2026 BMW i7 |
|---|---|---|---|---|
| Starting MSRP | $90,800 | $83,500 | $99,300 | $105,700 |
| Horsepower | 335–523 hp | 503–523 hp | 375–536 hp | — |
| Drivetrain | Rear Wheel Drive / All Wheel Drive | Rear Wheel Drive / All Wheel Drive | Rear Wheel Drive / All Wheel Drive | Rear Wheel Drive / All Wheel Drive |
| Fuel | Premium 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.