2026 BMW 4 Series

The 2026 BMW 4 Series brings coupe style, convertible flexibility, and a choice of rear-wheel drive or all-wheel drive to shoppers visiting Herb Chambers BMW of Sudbury in Sudbury, MA. This page outlines the model’s trim range, engine choices, dimensions, cargo space, and key differences from comparable luxury coupes, while offering a direct path to new BMW inventory, trade-in tools, and an in-person visit at 128 Boston Post Road, Rte 20.

Starting MSRP

$52,600

Horsepower

255–386 hp

Seating

4–5 seats

Drivetrain

Rear Wheel Drive / All Wheel Drive

Fuel

Premium Unleaded (Required)

Body Style

Coupe / Convertible

How the 2026 BMW 4 Series Compares With Competitors

Pricing, power, fuel economy, seating, and drivetrain help define the right luxury coupe or convertible for different priorities. The 2026 BMW 4 Series starts at $52,600 MSRP; MSRP excludes tax, title, registration and dealer fees.

The 2026 Mercedes-Benz CLE starts at $68,050 and offers 255–443 hp, 20–23 city / 27–32 hwy EPA MPG, four seats, all-wheel drive, and required premium unleaded fuel. The BMW 4 Series offers a lower starting price, a 4–5-seat range, rear- or all-wheel drive, and 255–386 hp, while the Mercedes may suit shoppers focused on its broader quoted horsepower range and all-wheel-drive configuration.

The 2026 Lexus LC starts at $101,850 with 471 hp, 16 city / 24 hwy EPA MPG, rear-wheel drive, and required premium unleaded fuel. The BMW 4 Series has a lower starting price and offers rear- or all-wheel drive with 255–386 hp, while the Lexus may appeal to buyers prioritizing its higher quoted horsepower figure.

Specifications and Configuration

The 2026 BMW 4 Series seats 4–5 people and is offered as a coupe or convertible. Across its four trims, horsepower ranges from 255 to 386 hp, torque from 295 to 398 lb-ft, and engine size from 2.0 to 3.0 L.

Every configuration uses an inline engine, an automatic transmission, and premium unleaded fuel. The model reaches 0-60 mph in 5.6 seconds, with peak power at 4,700 to 5,200 rpm and peak torque at 1,600 to 1,900 rpm.

The 430i coupe uses rear-wheel drive, while the 430i xDrive convertible uses all-wheel drive. The M440i is a rear-wheel-drive coupe, and the M440i xDrive is an all-wheel-drive convertible. Cargo space behind the rear seats ranges from 10.6 to 15.5 cu ft, while curb weight ranges from 3,677 to 4,292 lbs.

The 4 Series measures 187.9 inches long and 72.9 inches wide, with a 112.2-inch wheelbase. Height ranges from 54.6 to 54.9 inches, width with mirrors is 81.9 inches, and fuel capacity ranges from 15.5 to 15.6 gallons.

Buying a 2026 BMW 4 Series in Sudbury, MA

Herb Chambers BMW of Sudbury serves shoppers from Sudbury and surrounding Massachusetts communities at 128 Boston Post Road, Rte 20. The store receives BMW vehicles on a rolling basis, so live availability can change; shoppers can search inventory for current listings.

A trade-in can help shape the next purchase. Use the trade-in tool to begin the valuation process, then contact Herb Chambers BMW of Sudbury at (508) 978-2098 for dealership assistance.

What to Weigh Before Buying

Trim selection changes more than the badge. The 430i uses a 255-hp four-cylinder, while the M440i uses a 386-hp six-cylinder; convertible versions pair with all-wheel drive and provide 10.6 cu ft of cargo space behind the rear seats, compared with 15.5 cu ft for the coupe trims.

Think through body style, drivetrain, performance, and cargo needs before choosing a configuration. The model requires premium unleaded fuel, and its automatic transmission is paired with either rear-wheel drive or all-wheel drive depending on trim.