2026 BMW M3

The 2026 BMW M3 brings high-performance sedan capability to Herb Chambers BMW of Sudbury in Sudbury, MA. This page gives shoppers a clear look at the M3’s trim pricing, performance figures, dimensions, fuel requirements, drivetrain choices, and key ownership considerations, along with comparisons to similarly sized 2026 models. With seating for five, a 3.0-liter inline-six engine, automatic transmission, and rear-wheel-drive or all-wheel-drive configurations, the M3 is configured for drivers who want practical sedan space paired with serious performance. Shoppers can review live BMW availability, explore purchase tools, and connect with the dealership before visiting 128 Boston Post Road, Rte 20.

Starting MSRP

$83,500

Horsepower

503–523 hp

EPA MPG

16 city / 23 hwy

Seating

5 seats

Drivetrain

Rear Wheel Drive / All Wheel Drive

Fuel

Premium Unleaded (Required)

Body Style

Sedan

How the 2026 BMW M3 Compares With Competitors

Pricing, power, fuel economy, and drivetrain help define the differences among these performance-oriented sedans. The 2026 BMW M3 starts at $83,500; MSRP excludes tax, title, registration and dealer fees.

Compared with the 2026 Mercedes-Benz C-Class, the BMW M3 has a higher starting MSRP of $83,500 versus $49,650 and a horsepower range of 503–523 hp versus 255–416 hp. The C-Class offers 19–25 city / 27–35 hwy EPA MPG compared with the M3’s 16 city and 23 highway MPG, favoring buyers focused on a lower entry price and fuel economy, while the M3 suits shoppers prioritizing greater output; both offer rear-wheel drive or all-wheel drive and require premium unleaded fuel.

Against the 2026 Lexus IS, the BMW M3 starts at $83,500 compared with $45,500 and produces 503–523 hp versus 311 hp. The Lexus returns 19 city / 27 hwy EPA MPG and uses rear-wheel drive, while the M3 offers 16 city and 23 highway MPG with rear-wheel drive or all-wheel drive, giving buyers a choice between lower entry cost and economy or higher output with broader drivetrain flexibility.

The 2026 Genesis G70 starts at $42,850 and produces 300–368 hp, compared with the BMW M3’s $83,500 starting MSRP and 503–523 hp. The G70 offers 17 city / 23 hwy EPA MPG, rear-wheel drive or all-wheel drive, and premium unleaded fuel, favoring shoppers seeking a lower starting price, while the M3 is suited to buyers seeking stronger stated horsepower.

Specifications and Configuration

The 2026 BMW M3 is a five-seat sedan powered by a 3.0-liter inline-six engine with 2,993 cc of displacement. An eight-speed automatic transmission sends power through rear-wheel drive or all-wheel drive, depending on trim.

Across the three trims, output ranges from 503 to 523 hp and torque is 479 lb-ft. Peak power arrives at 6,250 rpm, while peak torque arrives at 2,750 rpm. The M3 requires premium unleaded fuel, with fuel economy rated at 16 city and 23 highway MPG.

Performance-oriented dimensions include a 189.1-inch length, 74.3-inch width, 56.6-inch height, and 112.5-inch wheelbase. Width with mirrors is 81.4 inches. Curb weight is 3,891 pounds, fuel capacity is 15.6 gallons, and cargo space behind the rear seats measures 16.9 cubic feet. Acceleration from 0 to 60 mph takes 3.8 seconds.

Available M3 Trims

The Competition starts at $83,500 and pairs 503 hp with rear-wheel drive. The Competition xDrive starts at $88,600 and pairs 523 hp with all-wheel drive.

Buying a 2026 BMW M3 in Sudbury

Herb Chambers BMW of Sudbury serves shoppers seeking the 2026 BMW M3 in Sudbury, MA. The store receives vehicles on a rolling basis, so shoppers can use the search inventory link for current BMW listings rather than relying on a static availability claim.

Purchase planning can begin online with the dealership’s trade-in resource at value your trade. For a closer look, visit Herb Chambers BMW of Sudbury at 128 Boston Post Road, Rte 20, Sudbury, MA 01776, or call (508) 978-2098.

What to Weigh Before Buying

Trim selection is the central decision: the Competition uses rear-wheel drive and 503 hp, while the Competition xDrive adds all-wheel drive and 523 hp at a higher starting MSRP. Both configurations use the same 3.0-liter inline-six layout, eight-speed automatic transmission, and premium unleaded fuel.

Fuel economy is rated at 16 city and 23 highway MPG, so operating priorities deserve attention alongside acceleration. The sedan’s five-seat cabin and 16.9 cubic feet of cargo space behind the rear seats add everyday practicality to its performance-focused configuration.

Shoppers should also account for the destination charge of $1,350 and remember that MSRP excludes tax, title, registration and dealer fees.