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2018 BMW 4 Series: What's New, Specs & Features
Last updated August 4, 2026
The biggest change for the 2018 BMW 4 Series is a mid-cycle refresh with sharper front and rear styling and standard LED exterior lighting. BMW also made small cabin updates and revised the steering and suspension on certain body styles.
About the 2018 BMW 4 Series
1st generation 4 Series (F32 Coupe, F33 Convertible, F36 Gran Coupe), mid-cycle refresh year.
BMW positions the 4 Series as the more style-focused, more emotional alternative to the 3 Series. In 2018 it gives shoppers three ways to get that formula: a sleek coupe, a retractable-hardtop convertible, or the Gran Coupe’s four-door hatchback layout. The core appeal is a lower, wider, more athletic look than the 3 Series, paired with everyday usability and a choice between a strong turbo four-cylinder or a smoother, quicker turbo inline-six.
The 2018 lineup covers two-door coupes, retractable-hardtop convertibles, and four-door Gran Coupes with a hatchback-style cargo opening. The 430i uses a 248-hp turbo four-cylinder, while the more upscale 440i has a 320-hp turbo inline-six and Harman Kardon audio; xDrive versions add all-wheel drive.
What changed, by category
Styling
BMW refreshed the front and rear bumper designs, updated the cabin trim and sport steering wheel, and made LED headlights, LED fog lights, and revised LED rear lamps standard across the lineup.
Structural
The Coupe and Gran Coupe received firmer suspension tuning and revised steering for a more settled feel. The Convertible received steering and straight-line stability improvements.
2018 BMW 4 Series specs and features by trim
| Feature | ||||||||
|---|---|---|---|---|---|---|---|---|
| Engine | 4-Cyl, SULEV, Turbo, 2.0 Liter | 6-Cyl, Turbo, 3.0 Liter | 4-Cyl, SULEV, Turbo, 2.0 Liter | 6-Cyl, Turbo, 3.0 Liter | 4-Cyl, SULEV, Turbo, 2.0 Liter | 6-Cyl, Turbo, 3.0 Liter | 4-Cyl, SULEV, Turbo, 2.0 Liter | 6-Cyl, Turbo, 3.0 Liter |
| Transmission | Automatic, 8-Spd Sport | Automatic, 8-Spd Sport | Automatic, 8-Spd Sport | Automatic, 8-Spd Sport | Automatic, 8-Spd Sport | Automatic, 8-Spd Sport | Automatic, 8-Spd Sport | Automatic, 8-Spd Sport |
| Drivetrain | RWD | RWD | RWD | RWD | AWD | AWD | AWD | AWD |
| Fuel Type | Gas | Gas | Gas | Gas | Gas | Gas | Gas | Gas |
| MPG City | 24 mpg | 21 mpg | 24 mpg | 21 mpg | 22–23 mpg | 20–21 mpg | 23 mpg | 21 mpg |
| MPG Highway | 34 mpg | 29–32 mpg | 34 mpg | 32 mpg | 32–33 mpg | 29–31 mpg | 33 mpg | 31 mpg |
| Horsepower | 248 hp | 322 hp | 248 hp | 322 hp | 248 hp | 322 hp | 248 hp | 322 hp |
| Torque | 258 lb-ft | 332 lb-ft | 258 lb-ft | 332 lb-ft | 258 lb-ft | 332 lb-ft | 258 lb-ft | 332 lb-ft |
| Rear Legroom | 33.1–33.7 in | 33.1–33.7 in | 33.7 in | 33.7 in | 33.1–33.7 in | 33.1–33.7 in | 33.7 in | 33.7 in |
| Seats | 4 | 4 | 5 | 5 | 4 | 4 | 5 | 5 |
| Doors | 2 | 2 | 4 | 4 | 2 | 2 | 4 | 4 |
| Alarm System | ||||||||
| Automatic High Beams | ||||||||
| Park Assist | ||||||||
| Rear View Camera | ||||||||
| Alloy Wheels | ||||||||
| Fog Lights | ||||||||
| Power Moonroof | ||||||||
| Power Close Liftgate/Trunk | ||||||||
| Power Retractable Hard Top | ||||||||
| Bluetooth | ||||||||
| Navigation System | ||||||||
| Premium Audio | ||||||||
| Smartphone Interface | ||||||||
| USB Ports | ||||||||
| Heated Front Seats | ||||||||
| Heated Rear Seats | ||||||||
| Heated Steering Wheel | ||||||||
| Leather Seats | ||||||||
| Proximity Keyless Entry | ||||||||
| Rear Window Shades | ||||||||
Frequently asked questions
What is the biggest change to the 2018 BMW 4 Series?
The biggest change is refreshed front and rear styling with standard LED headlights, LED fog lights, and updated LED rear lamps. The cabin also received revised trim details and an updated sport steering wheel.
Is the 2018 BMW 4 Series a new generation?
No. The 2018 BMW 4 Series is a mid-cycle update of the first generation, not a full redesign.
Did the 2018 BMW 4 Series get new engines?
No. The engines carry over: the 430i has a 248-hp turbocharged 2.0-liter four-cylinder, and the 440i has a 320-hp turbocharged 3.0-liter inline-six.
How does the 2018 BMW 4 Series differ from the 2017 model?
The 2018 model has revised front and rear styling, standard LED exterior lighting, and small cabin-detail updates. Coupe and Gran Coupe models also have firmer suspension tuning and revised steering, while the Convertible has steering and straight-line stability improvements.
Which 2018 BMW 4 Series body styles received driving-related updates?
The Coupe and Gran Coupe received firmer suspension tuning and revised steering. The Convertible received steering and straight-line stability improvements.
2018 BMW 4 Series Reviews
What owners are saying about the 2018 BMW 4 Series.
4.4
2018 BMW 4 Series
(615 reviews)
“It has great performance (acceleration, handling, etc.) and stunning looks. I get compliments on it all the time.”
“It's fast and really responsive. The interior is stunning - super sporty and luxurious. I'm not a big person, and this car is the perfect size (and also easier to park).”