2025 BMW 8 Series

The 2025 BMW 8 Series brings grand-touring character to Boston with a choice of rear-wheel-drive and all-wheel-drive convertible configurations. At Herb Chambers BMW of Boston, shoppers can explore how its 840i, 840i xDrive, and M850i xDrive trims differ in performance, efficiency, engine layout, and pricing before reviewing current BMW inventory. This page covers the model’s key specifications, competitor comparisons, ownership considerations, and ways to connect with the dealership at 1168 Commonwealth Avenue. Pricing, powertrain details, dimensions, fuel requirements, and performance figures help clarify which version of the 8 Series best suits a driver seeking open-air luxury and responsive road manners.

Starting MSRP

$101,400

Horsepower

335–523 hp

EPA MPG

17–21 city / 24–29 hwy

Drivetrain

Rear Wheel Drive / All Wheel Drive

Fuel

Premium Unleaded (Recommended) / Premium Unleaded (Required)

Body Style

Convertible

How the 2025 BMW 8 Series Compares With Competitors

Pricing, power, fuel economy, seating, and drivetrain help define how the 2025 BMW 8 Series fits within the luxury convertible class. The 8 Series starts at $101,400, and MSRP excludes tax, title, registration and dealer fees.

Compared with the 2025 Mercedes-Benz CLE, the BMW 8 Series starts at $101,400 versus $75,800, while BMW power ranges from 335 to 523 horsepower and the CLE offers 375–443 horsepower. The CLE’s EPA rating is 19–23 city / 26–32 highway, compared with the BMW’s 17 to 21 city and 24 to 29 highway range, making the Mercedes-Benz relevant for shoppers focused on a lower starting price or economy figures.

Compared with the 2025 Maserati GranCabrio, the BMW 8 Series starts at $101,400 versus $197,900, with BMW power ranging from 335 to 523 horsepower and the Maserati producing 544 horsepower. Both use all-wheel drive in the figures provided, while the BMW offers a broader range of power and the Maserati may suit shoppers seeking its higher stated output.

Specifications and Configuration

The 2025 BMW 8 Series is a convertible with an eight-speed automatic transmission, a 3.0-liter inline six-cylinder or 4.4-liter V8 engine, and rear-wheel drive or all-wheel drive depending on trim. Output ranges from 335 to 523 horsepower and from 369 to 553 lb-ft of torque, with 0-60 mph times ranging from 3.9 to 5 seconds.

Fuel economy ranges from 17 to 21 mpg city and 24 to 29 mpg highway. Premium unleaded is recommended for the 840i and 840i xDrive, while it is required for the M850i xDrive. Across the lineup, the 8 Series measures 191.2 inches long, 74.9 inches wide, and 53 inches high, with a 111.1-inch wheelbase and 12.4 cubic feet of cargo space behind the rear seats.

Buying a 2025 BMW 8 Series in Boston

Herb Chambers BMW of Boston serves drivers looking for a new BMW in Boston, MA, from 1168 Commonwealth Avenue. The store receives vehicles on a rolling basis, so shoppers can use the search inventory link to review current listings and compare available configurations.

For purchase planning, shoppers can begin with the dealership’s online process, value a current vehicle through the trade-in option, or contact Herb Chambers BMW of Boston at (617) 271-2376. A visit can help clarify the differences between rear-wheel drive and all-wheel drive, six-cylinder and V8 power, and recommended versus required premium fuel.

What to Weigh Before Buying

Trim selection changes more than the starting price. The 840i emphasizes six-cylinder efficiency and rear-wheel-drive balance, the 840i xDrive adds all-wheel-drive traction, and the M850i xDrive pairs all-wheel drive with the lineup’s highest horsepower and torque figures.

Consider how performance, fuel economy, drivetrain preference, and cargo space align with regular driving needs. The 18-gallon fuel capacity and 12.4-cubic-foot trunk provide useful context for touring, while the convertible body style keeps open-air driving central to the 8 Series experience.