$35,090 - $66,424

2018 BMW 4-Series Interior Review

Note: This interior review was created when the 2018 BMW 4-Series was new.


Interior: 8.0

When it comes to cabin design, the 2018 BMW 4 Series straddles the line between traditional and modern styling, but it still has the high-quality materials you expect in a luxury vehicle. The front seats are comfortable and supportive, but the rear seats are a bit short on headroom. There’s a good amount of cargo space, especially in Gran Coupe models. The 4 Series also has plenty of tech features.

  • "The BMW 4 Series remains a pleasant middle ground to the more traditional Mercedes and starkly modern Audi interiors. The quality of materials and construction meet expectations for luxury coupes, even in the face of newer rivals." -- Edmunds
  • "The interior is richer than the previous model's, with excellent fit and finish." -- Automobile Magazine (2014)
  • "The interior remains functional and good-looking, yet the 4's layout is a near mirror image of the sedan's." -- Motor Trend (2014)


BMW 4 Series coupe and convertible models seat four people, while Gran Coupe models seat five. Leatherette upholstery and power-adjustable front sport seats are standard. Leather upholstery, heated front seats, and a heated steering wheel are available.

The front seats have plenty of space for occupants of just about any height. The rear seats don’t have quite as much room because of the car’s sloping roofline. Most adults will wish for more headroom if they’re sitting in the back. Still, the rear seats are fine for shorter drives. The four-door Gran Coupe models are more accommodating in the back, with a bit more rear-seat space. It's the best model for those who expect rear-seat passengers regularly. There are two full sets of LATCH connectors for installing car seats.

  • "A lower seating position than in the sedan helps create a distinctly sporting vibe inside the BMW 4 Series. The standard front sport seats are very supportive and comfortable, even boasting power-adjustable side bolsters, an extraordinary standard feature in this class. Less form-fitting seats can be specified with the Luxury package if desired." -- Edmunds (2017)
  • "BMW 4 Series coupe and convertible models offer four seats, but only the front two are comfortable. The rear seats are tight on leg and headroom (drop-top notwithstanding), and it's not particularly easy to get back there in 2-door models. Of course the Gran Coupe's rear doors and elongated roof improve access and comfort for rear-seaters." -- Kelley Blue Book (2017)
  • "The 4 Series Gran Coupe is pure 3 Series inside, albeit with a one-inch lower seating position for both rows of seats. This makes the lower roofline less impactful on rear-seat headroom than you'd expect; indeed, this model's longer roofline allows adults to ride back there more comfortably than in the regular 4 Series (non-Gran) coupe." -- Autoblog (2015)

Interior Features

Standard features in the 2018 BMW 4 Series include dual-zone automatic climate control, a moonroof, Bluetooth, a nine-speaker audio system, HD Radio, a USB port, a rearview camera, and the iDrive infotainment system with a 6.5-inch display screen.

Available features include a 16-speaker Harman Kardon surround-sound system, satellite radio, wireless phone charging, a Wi-Fi hot spot, Apple CarPlay, a head-up display, speed limit information, adaptive cruise control, side- and top-view cameras, front and rear parking sensors, parallel parking assist, forward collision warning, pedestrian detection, lane departure warning, automatic emergency braking, blind spot monitoring, and an upgraded infotainment system with an 8.8-inch screen, a touchpad controller, and navigation.

The iDrive infotainment system receives a slight update for the 2018 model year. The changes aren’t all that noticeable, and the system was already impressive. But despite how easy it is to use, systems from Audi and other rivals are a bit better because they’re more straightforward and require fewer steps to make selections.

See 2018 BMW 4 Series specs »

  • "This 2018 refresh updates the already strong iDrive infotainment system, but it's far from being a major step forward. The available virtual instruments have a certain wow factor, but Audi's is more functionally useful." -- Edmunds
  • "… in all models it's the driver who's truly pampered, with a driver-focused cockpit, easy-to-reach controls and an improved iDrive infotainment system." -- Kelley Blue Book (2017)
  • "Mounted front and center is a 6.5-inch infotainment screen that displays sound system, climate control and (when equipped) navigation system info. It's controlled by BMW's much-improved iDrive interface, although redundant buttons and voice commands give users alternate means of accessing the electronics." -- Left Lane News (2016)


Trunk space in the 4 Series varies by body style. Convertible models have the least amount of space, with 13.1 cubic feet, and coupe models have 15.7 cubic feet. Gran Coupe models have 17 cubic feet with the rear seats up and 45.9 cubic feet with the rear seats folded down. The coupe and convertible have decent cargo space for the class, and the Gran Coupe’s total is outstanding. All models feature split-folding rear seats, and Gran Coupe models come with a power trunk lid.

  • "Luggage space is generous by two-door standards, including the convertible. Lowering the convertible's power-folding hardtop takes about 20 seconds." -- Edmunds (2017)
  • "Cargo space is fine in the coupes, but the Gran Coupe has Gran Cargo Space, too; more than 45 cubic feet with rear seats folded." -- Kelley Blue Book (2017)
  • "… you can fold down the rear seats of the 4-Series Gran Coupe and put in two bicycles without removing the front wheels." -- Autoweek (2015)

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