The BMW 4 Series: A Driving-Focused Counterpart to the 3 Series

In the United States, the BMW 4 Series occupies the premium midsize coupe and convertible niche as the sportier, lower-roofed sibling of the 3 Series sedan. It goes head-to-head with the Audi A5 and the Mercedes-Benz C-Class Coupe, and it differentiates itself through a wider track, a stiffer body, and chassis tuning that prioritizes steering feedback over ride softness. Available as a two-door Coupe, a Convertible, or the four-door Gran Coupe, the current lineup pairs BMW's latest infotainment — the Operating System 8.5 with QuickSelect — with a choice of two gasoline engines. Its primary reason to exist is driving engagement, which makes it the reference point for handling in its class. (https://www.bmwusa.com/vehicles/4-series/overview.html)

Why Consider BMW 4 Series

Three strengths define the 4 Series: a well-sorted chassis, a broad engine spread, and body-style flexibility. The base 430i pairs a 255-horsepower turbocharged four-cylinder with an eight-speed automatic, while the M440i steps up to a 386-horsepower inline-six with 48-volt mild-hybrid assistance for stronger mid-range punch. Measured against the Audi A5, the 4 Series delivers more feedback through the steering wheel and a tauter, flatter cornering stance; next to the Mercedes-Benz C-Class Coupe, it leans deliberately toward sport rather than comfort. The Gran Coupe body adds two practical doors without losing the model's low-slung proportions. (https://www.bmwusa.com/vehicles/4-series/4-series-coupe/bmw-4-series-coupe.html)

• P recise, heavily tuned suspension with a wider track than the 3 Series
• Engine range from an efficient 255-hp four-cylinder to a muscular 386-hp inline-six
• Three body styles: Coupe, Convertible, and four-door Gran Coupe
• BMW Operating System 8.5 with the Curved Display and QuickSelect
• Standard eight-speed Steptronic Sport transmission with shift paddles

Specifications and Powertrains

Gasoline — 430i and 430i xDrive: A 2.0-liter TwinPower Turbo inline-four produces 255 horsepower and 295 lb-ft of torque. Rear-drive models return an EPA combined estimate around 30 mpg, with xDrive all-wheel drive dropping that figure by roughly 2 mpg. (https://www.bmwusa.com/vehicles/4-series/4-series-coupe/bmw-4-series-coupe.html)

Gasoline — M440i and M440i xDrive: A 3.0-liter TwinPower Turbo inline-six generates 386 horsepower and features 48-volt mild-hybrid technology for smooth stop-start and a slight torque fill. EPA combined estimates land in the mid-20s mpg range depending on drivetrain. All M440i models come with xDrive in the US, and an eight-speed automatic is standard across the range. (https://www.press.bmwgroup.com/global/article/detail/T0439260EN/the-new-bmw-4-series-coupe-the-new-bmw-4-series-convertible?language=en)

Payment Reality

A new 430i starts at roughly $50,000 MSRP in the US, while a well-optioned M440i xDrive can climb past the mid-$60,000 mark. Monthly payments depend on down payment, term, interest rate, and — critically — residual value. BMWs in this segment typically lose a noticeable share of their value in the first three years, which pressures lease residuals and raises the monthly cost relative to the window sticker. Leasers should compare residual assumptions against the Audi A5 and Mercedes-Benz C-Class Coupe; long-term owners, meanwhile, reduce the impact of depreciation by holding the car well past the worst years of value loss.

Warranty and Maintenance

BMW covers the 4 Series with a 4-year/50,000-mile bumper-to-bumper warranty, 4 years of roadside assistance, and 3 years or 36,000 miles of complimentary scheduled maintenance under the BMW Ultimate Care program — covering oil changes, filters, and wiper blades. Service intervals are condition-based; oil changes typically fall once a year or between 7,500 and 10,000 miles. Parts availability across the US is strong due to a dense dealer network, and independent BMW specialists are common in most metro areas, which keeps out-of-warranty labor costs noticeably below dealership rates.

Who BMW 4 Series Suits

The 4 Series fits buyers who prioritize steering feel and body control over outright rear-seat room, and who want genuine performance credentials without moving up to a full luxury grand tourer. The Coupe works for singles or couples; the Gran Coupe can serve as the only family car when the rear seats are for occasional use; the Convertible suits drivers in mild climates who want open-top motoring with a four-season cabin. Honest alternatives include the Audi A5 for more integrated cabin technology, the Mercedes-Benz C-Class Coupe for a softer ride, and the Lexus RC for owners who value long-term reliability and calmer resale behavior.