2025 BMW 8 Series

The 2025 BMW 8 Series brings grand-touring style, open-air driving and serious performance to Herb Chambers BMW of Sudbury in Sudbury, MA. This page covers the 8 Series trim range, key specifications, powertrain choices, fuel economy, dimensions, competitor context and practical ways to begin shopping through the dealership. With three convertible trims, rear-wheel drive or all-wheel drive, and output ranging from 335 to 523 horsepower, the 8 Series can suit drivers seeking refined cruising or stronger acceleration. Shoppers can review live BMW options, consider trade-in steps and arrange service support through Herb Chambers BMW of Sudbury, located at 128 Boston Post Road, Rte 20.

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 and drivetrain help define the choice among premium convertibles. The 2025 BMW 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 has a higher starting MSRP of $101,400 versus $75,800, while BMW output ranges from 335 to 523 horsepower and Mercedes-Benz output ranges from 375–443 hp. The CLE quotes 19–23 city / 26–32 hwy MPG, four seats and required premium fuel, while the BMW offers 17–21 city and 24–29 highway MPG, rear-wheel drive or all-wheel drive, and recommended or required premium fuel depending on trim; the Mercedes-Benz may suit buyers focused on a lower entry price and four-seat configuration.

Compared with the 2025 Maserati GranCabrio, the BMW 8 Series starts at $101,400 versus $197,900, while BMW power ranges from 335 to 523 horsepower and the Maserati produces 544 hp. The GranCabrio lists 17 city / 26 hwy MPG, all-wheel drive and required premium fuel, making its figures relevant to shoppers prioritizing higher output and standard all-wheel-drive comparison, while the BMW offers a broader trim and drivetrain range.

Specifications and Configuration

The 2025 BMW 8 Series is a convertible with an automatic eight-speed transmission, inline or V engine layout, and six- or eight-cylinder power. Engine sizes range from 3.0 to 4.4 liters, displacement spans 2,998 to 4,395 cc, and torque ranges from 369 to 553 lb-ft.

Acceleration ranges from 3.9 to 5 seconds from 0 to 60 mph. City fuel economy ranges from 17 to 21 MPG, while highway fuel economy ranges from 24 to 29 MPG. Premium unleaded is recommended for some configurations and required for others.

The 8 Series measures 191.2 inches long, 74.9 inches wide and 53 inches high, with a 111.1-inch wheelbase and 84.1-inch width with mirrors. Curb weight ranges from 4,156 to 4,691 pounds, fuel capacity is 18 gallons, and cargo space behind the rear seats is 12.4 cubic feet.

Buying a 2025 BMW 8 Series in Sudbury

Herb Chambers BMW of Sudbury serves drivers in Sudbury, Massachusetts, from 128 Boston Post Road, Rte 20. Begin with the dealership's search inventory to review current BMW opportunities and compare the 840i, 840i xDrive and M850i xDrive.

A trade-in can be part of the purchase process through the dealership's trade-in tool. For ownership support, drivers can use the service department and schedule an appointment through the dealership's service resources.

What to Weigh Before Buying

Trim selection changes the 8 Series experience in meaningful ways. The 840i emphasizes rear-wheel-drive touring with 335 horsepower, the 840i xDrive adds all-wheel drive with the same horsepower, and the M850i xDrive brings 523 horsepower, 553 lb-ft of torque and a V engine.

Fuel economy, acceleration and purchase price also move with the configuration. Consider whether rear-wheel-drive balance, all-wheel-drive traction, the lowest starting MSRP or the strongest performance best matches the intended use.