The 2018 BMW 4-Series represents the sportier, more stylized evolution of the 3-Series sedan, offering a distinct blend of luxury and driving prowess. Part of the F32/F33/F36 generation (2014-2020), it's available as a sleek Coupe, a versatile Gran Coupe (a four-door coupe), and a stylish Convertible. Key trims include the 430i, 440i, and the high-performance M4. New prices ranged from approximately $44,000 to over $80,000, making it popular for its engaging performance, premium interior, and elegant yet aggressive design.
The Good
The 2018 BMW 4-Series boasts exhilarating performance, with potent engine options and sharp handling that appeals to emotional drivers. Its sophisticated design, premium interior comfort, and quality materials satisfy luxury desires. For practical buyers, decent fuel efficiency for its class and available Gran Coupe versatility add appeal, while the brand's engineering reputation suggests a well-built, albeit maintenance-intensive, vehicle.
The Bad
Potential weaknesses for the 2018 BMW 4-Series include higher-than-average maintenance and repair costs, typical for luxury European vehicles. The ride can be stiff, especially with M Sport suspension, potentially impacting comfort on rough roads. Rear seat space in the Coupe and Convertible is limited, and luxury depreciation can be significant. Watch for common BMW issues like oil leaks from gaskets as the vehicle ages.
2018 BMW 4-Series: Quick Overview
- Engine Options:
- 430i: B48 2.0-liter TwinPower Turbo inline 4-cylinder.
- 440i: B58 3.0-liter TwinPower Turbo inline 6-cylinder.
- M4: S55 3.0-liter Twin-Turbo inline 6-cylinder.
- Horsepower:
- 430i: 248 hp.
- 440i: 320 hp.
- M4: 425 hp (standard), 444 hp (with Competition Package).
- Fuel Economy (approx. MPG, RWD Automatic):
- 430i: 24 city / 34 highway.
- 440i: 22 city / 32 highway.
- M4: 16 city / 23 highway.
- 0-60 Times (approx. seconds):
- 430i: 5.5-5.8 seconds.
- 440i: 4.6-4.8 seconds.
- M4: 3.8-4.1 seconds.
- Towing Capacity: Not officially rated for towing in the U.S. and generally not recommended for significant loads.
- Trim-Level Features:
- Standard: iDrive infotainment system (6.5-inch screen), LED headlights, power-adjustable front sport seats, automatic climate control, push-button start, Bluetooth, USB port, rear parking sensors.
- 430i: Focuses on efficiency with strong performance.
- 440i: Adds the more powerful 6-cylinder engine, M Sport brakes (optional), and more aggressive styling elements.
- M4: Performance-oriented with unique styling, adaptive M suspension, M-specific differential, stronger brakes, unique M interior accents, and higher performance tires.
- Optional Packages (across trims):
- Premium Package: Heated front seats, navigation system, remote services.
- Executive Package: Parking Assistant, Head-up Display, wireless charging, WiFi hotspot.
- M Sport Package: Sport suspension, aerodynamic body kit, M steering wheel, specific wheel designs.
- Driver Assistance Package: Blind Spot Detection, Lane Departure Warning, Forward Collision Warning with Automatic Emergency Braking.
- Harman Kardon Surround Sound System.
- Apple CarPlay compatibility.
2018 BMW 4-Series Specifications
Vehicle Information
| Year | 2018 |
| Make | BMW |
| Model | 4-Series |
| Trim | - |
| Style | Coupe |
| Type | Coupe |
| Category | Compact Car |
Manufacturing Details
| Made In | Germany |
| Manufacturing City | MUNICH |
Dimensions
| Doors | 4-Door |
| Curb Weight | 1696.43 kg |
| Gross Vehicle Weight Rating | 14968.99 kg |
| Overall Height | 140.46 cm |
| Overall Length | 464.06 cm |
| Overall Width | 182.63 cm |
| Wheelbase Length | 280.92 cm |
| Standard Seating | 5 |
Engine & Performance
| Engine | 2.0-L I4 |
| Engine Size | 2L |
| Engine Cylinders | 4 |
| Transmission | 8-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 8-Speed |
| Drivetrain | All-Wheel Drive |
Additional Features
| Anti-Brake System | 4-Wheel ABS |
| Steering Type | Rack & Pinion |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $44,200 USD |
| Invoice Price | $41,605 USD |
| Delivery Charges | $995 USD |
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What Problems Does the 2018 BMW 4-Series Have?
As a 2018 model, the 4-Series benefited from being a facelifted version of the F32/F33/F36 generation, meaning many early kinks were already addressed. However, it still shares some common BMW platform traits that owners should be aware of.
Frequently reported problems, while not necessarily rampant for 2018 models, can include;
Regarding recalls for the 2018 BMW 4-Series, owners should check the NHTSA database using their VIN for the most up-to-date and specific information. However, some general recalls that affected BMW models around this time include:
Long-term reliability for the 2018 4-Series is generally considered good if the vehicle receives consistent and proper maintenance. Skipping recommended service intervals, especially oil changes, can significantly shorten engine life. The B48 (430i) and B58 (440i) engines are generally robust, but their complex nature means that when repairs are needed, they can be expensive due to specialized parts and labor costs. Prospective buyers should always seek a pre-purchase inspection (PPI) and review detailed service records.
Frequently reported problems, while not necessarily rampant for 2018 models, can include;
- Oil Leaks: Gaskets, such as the oil filter housing gasket (OFHG) and valve cover gasket (VCG), are known to eventually degrade and leak on many BMW engines, leading to costly repairs if not addressed promptly.
- Cooling System Components: While improved over older generations, issues with water pumps, thermostats, and other plastic cooling system components can still arise, especially as mileage accumulates.
- Electronic Glitches: Occasional reports of iDrive system glitches, sensor malfunctions, or power window regulator failures can occur, though these are less common for a 2018 model.
- Suspension Components: Bushings and mounts can wear out over time, leading to rattles or compromised handling, particularly for cars driven hard or on rough roads.
Regarding recalls for the 2018 BMW 4-Series, owners should check the NHTSA database using their VIN for the most up-to-date and specific information. However, some general recalls that affected BMW models around this time include:
- Crankshaft Sensor DME Programming: Recalls related to potentially faulty crankshaft position sensor software that could cause the engine to stall.
- PCV Valve Heater: Recalls for certain models concerning a potential fire risk due to an issue with the positive crankcase ventilation (PCV) valve heater.
- Auxiliary Water Pump: Certain vehicles might have been subject to recalls for an auxiliary water pump issue.
Long-term reliability for the 2018 4-Series is generally considered good if the vehicle receives consistent and proper maintenance. Skipping recommended service intervals, especially oil changes, can significantly shorten engine life. The B48 (430i) and B58 (440i) engines are generally robust, but their complex nature means that when repairs are needed, they can be expensive due to specialized parts and labor costs. Prospective buyers should always seek a pre-purchase inspection (PPI) and review detailed service records.
How long will the 2018 BMW 4-Series last?
A well-maintained 2018 BMW 4-Series can reliably achieve 150,000 to 200,000 miles or more, potentially offering 10-15 years of service. Owner data consistently shows that diligent adherence to BMW's recommended maintenance schedule, including timely fluid changes and inspections, is paramount. The engines and transmissions are generally durable, capable of long lifespans.
However, long-term durability is offset by certain weaknesses that emerge with age and mileage. Common points of wear include various gaskets (valve cover, oil filter housing), which can become brittle and leak. Suspension components, such as control arm bushings and shock absorbers, will eventually require replacement. Electronic modules, sensors, and interior components like leather upholstery and trim pieces can also show wear. While robust, preparing for higher repair costs as parts naturally age is a crucial aspect of long-term BMW ownership.
However, long-term durability is offset by certain weaknesses that emerge with age and mileage. Common points of wear include various gaskets (valve cover, oil filter housing), which can become brittle and leak. Suspension components, such as control arm bushings and shock absorbers, will eventually require replacement. Electronic modules, sensors, and interior components like leather upholstery and trim pieces can also show wear. While robust, preparing for higher repair costs as parts naturally age is a crucial aspect of long-term BMW ownership.
What Technology & Safety Features are Included?
The 2018 BMW 4-Series comes equipped with a sophisticated array of technology, entertainment, driver-assistance, and safety features, reflecting its luxury segment positioning.
Built-in Tech & Entertainment:
The centerpiece is BMW's intuitive iDrive infotainment system, standard with a 6.5-inch display and a rotary controller. An upgraded 8.8-inch display with navigation was available as an option. Standard features include Bluetooth phone and audio connectivity, a USB port, and HD Radio. Optional enhancements greatly expanded capabilities, with a Harman Kardon Surround Sound System for superior audio, SiriusXM satellite radio, and a CD player. Crucially, Apple CarPlay was available, often as a standalone option or part of a package, offering seamless smartphone integration. Android Auto was not offered.
Driver-Assistance Features:
Standard driver aids include a rearview camera and front and rear parking sensors. More advanced systems were bundled into optional packages:
Safety Features:
Standard safety equipment is comprehensive, featuring a full suite of airbags (front, side, knee, and head airbags), anti-lock brakes (ABS), stability control, and traction control. Other available safety options included adaptive LED headlights and a Head-up Display.
Crash-Test Ratings:
The 2018 BMW 4-Series generally performed well in crash tests:
Built-in Tech & Entertainment:
The centerpiece is BMW's intuitive iDrive infotainment system, standard with a 6.5-inch display and a rotary controller. An upgraded 8.8-inch display with navigation was available as an option. Standard features include Bluetooth phone and audio connectivity, a USB port, and HD Radio. Optional enhancements greatly expanded capabilities, with a Harman Kardon Surround Sound System for superior audio, SiriusXM satellite radio, and a CD player. Crucially, Apple CarPlay was available, often as a standalone option or part of a package, offering seamless smartphone integration. Android Auto was not offered.
Driver-Assistance Features:
Standard driver aids include a rearview camera and front and rear parking sensors. More advanced systems were bundled into optional packages:
- Driver Assistance Package: Included features like Forward Collision Warning, Automatic Emergency Braking, Lane Departure Warning, and Pedestrian Detection.
- Driver Assistance Plus Package: Added Active Cruise Control (with Stop & Go functionality), Blind Spot Monitor, a Surround View Camera system, and Parking Assistant (which can automatically steer the car into parallel or perpendicular parking spaces).
Safety Features:
Standard safety equipment is comprehensive, featuring a full suite of airbags (front, side, knee, and head airbags), anti-lock brakes (ABS), stability control, and traction control. Other available safety options included adaptive LED headlights and a Head-up Display.
Crash-Test Ratings:
The 2018 BMW 4-Series generally performed well in crash tests:
- NHTSA (National Highway Traffic Safety Administration): The Coupe and Gran Coupe versions earned an overall 5-star safety rating.
- IIHS (Insurance Institute for Highway Safety): The 4-Series received "Good" ratings in most crashworthiness categories, including moderate overlap front, side, roof strength, and head restraints & seats. It earned an "Acceptable" rating for the small overlap front – passenger side test. When equipped with the optional front crash prevention system, it achieved a "Superior" rating, helping it qualify for the IIHS "Top Safety Pick" award for that year.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
2018 BMW 4-Series Prices and Market Value
When new in 2018, the BMW 4-Series had a broad pricing spectrum. The 430i Coupe started around $44,000, while the 440i Coupe began around $51,000. The high-performance M4 Coupe commanded prices starting near $68,000, and fully optioned models could easily exceed $80,000. Gran Coupe and Convertible variants typically carried a premium.
Today, used market prices for a 2018 4-Series typically range from approximately $18,000 for a higher-mileage 430i to $32,000 for a well-optioned 440i. M4 models generally fetch between $40,000 and $55,000+, depending heavily on condition and mileage.
Depreciation is significant for luxury European cars, with the 4-Series experiencing a steep drop in its initial years. Factors heavily affecting resale value include mileage, overall condition, a verifiable maintenance history, and the presence of desirable options like the M Sport package, premium audio, or navigation. Higher trim levels, especially the 440i and M4, tend to hold a higher percentage of their value compared to the base 430i, and the Gran Coupe often maintains its value better than the Convertible due to its enhanced practicality.
Today, used market prices for a 2018 4-Series typically range from approximately $18,000 for a higher-mileage 430i to $32,000 for a well-optioned 440i. M4 models generally fetch between $40,000 and $55,000+, depending heavily on condition and mileage.
Depreciation is significant for luxury European cars, with the 4-Series experiencing a steep drop in its initial years. Factors heavily affecting resale value include mileage, overall condition, a verifiable maintenance history, and the presence of desirable options like the M Sport package, premium audio, or navigation. Higher trim levels, especially the 440i and M4, tend to hold a higher percentage of their value compared to the base 430i, and the Gran Coupe often maintains its value better than the Convertible due to its enhanced practicality.
2018 BMW 4-Series Cost of Ownership
Owning a 2018 BMW 4-Series involves notable long-term costs. Insurance premiums are typically higher than average due to its luxury status, performance capabilities, and the cost of parts and labor for repairs. All 4-Series models require premium unleaded fuel, impacting daily running costs, especially for the thirstier 440i and M4.
Maintenance is significantly more expensive than non-luxury brands, with specialized parts and higher labor rates. Expect annual routine maintenance to range from $1,000 to $2,000, with major services or unexpected repairs potentially costing thousands. The vehicle is definitively costly to own. While it delivers an exceptional driving experience, prospective owners must budget accordingly for all facets of upkeep.
Maintenance is significantly more expensive than non-luxury brands, with specialized parts and higher labor rates. Expect annual routine maintenance to range from $1,000 to $2,000, with major services or unexpected repairs potentially costing thousands. The vehicle is definitively costly to own. While it delivers an exceptional driving experience, prospective owners must budget accordingly for all facets of upkeep.
2018 BMW 4-Series Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
33.33 liters
City Mileage
4.34 km/l
Highway Mileage
3.02 km/l
2018 BMW 4-Series Safety Rating
NHTSA
2018 BMW 4-Series Recalls & Defects
Seat Belts:front
Recall date
2017-08-16
Recall no.
17v507000
Source
NHTSA
Summary
BMW OF North America, LLC (Bmw) IS Recalling Certain 2018 430i, 430i Xdrive, 440i, 440i Xdrive, and M4 Convertible Vehicles. THE Emergency Locking Retractors (Elr) Within THE Front Seat Belt Assemblies MAY Have Been Produced With Incompatible Vehicle-Sensitive Locking Mechanism Housings.
Consequence
IF THE Vehicle HAS AN Incompatible Vehicle-Sensitive Locking Mechanism, THE Seat Belt MAY NOT Restrain THE Seat Occupant IN THE Event OF A Crash, Increasing THE Risk OF Injury.
Remedy
BMW Will Notify Owners, and Dealers Will Inspect And, IF Necessary Replace, THE Front Seat Belt Assemblies, Free OF Charge. THE Recall Began October 13, 2017. Owners MAY Contact BMW Customer Service AT 1-800-525-7417.
Notes
Owners MAY Also Contact THE National Highway Traffic Safety Administration Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Www.safercar.gov.
2018 BMW 4-Series Warranty
Basic
Original warranty
48 months / 50,000 miles
Estimated remaining
Expired
Powertrain
Original warranty
48 months / 50,000 miles
Estimated remaining
Expired
Rust
Original warranty
144 months / unlimited miles
Estimated remaining
60 months / unlimited miles
2018 BMW 4-Series Insurance
Insurance for a 2018 BMW 4-Series is moderately priced, reflecting its status as a Coupe with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2018 BMW 4-Series Compare to Other Coupe?
The 2018 BMW 4-Series competes fiercely in the luxury compact executive segment, primarily against the Audi A5/S5/RS5, Mercedes-Benz C-Class Coupe/Cabriolet (C300/C43 AMG), Infiniti Q60, and Lexus RC.
Performance: The 4-Series, particularly the 440i with its B58 engine and the M4, is renowned for its exceptional driving dynamics, precise steering, and a fantastic balance of comfort and sportiness. It often offers a more engaging and driver-focused experience than most rivals. The Audi S5/RS5 provides strong performance, especially with quattro AWD, but can feel a bit more detached. The Mercedes-AMG C43 offers a potent V6 and a luxurious ride, while the Lexus RC and Infiniti Q60 are powerful but generally lean towards a slightly less agile, more comfort-biased feel.
Features: All rivals offer a high level of luxury and technology. BMW's iDrive system is generally considered user-friendly. Audi's optional Virtual Cockpit impresses with its digital gauges, and Mercedes-Benz interiors often stand out for their aesthetic appeal and rich materials. The 4-Series holds its own with available premium audio, robust driver-assistance packages, and Apple CarPlay. Lexus and Infiniti also provide competitive tech, though some interfaces might feel less refined to some users.
Reliability: This is where perceptions diverge. Lexus and Infiniti models are typically perceived as having better long-term reliability and lower maintenance costs. BMW, Audi, and Mercedes-Benz, while offering robust engineering, generally incur higher ownership costs for maintenance and repairs, and are sometimes associated with more complex, and therefore potentially more problematic, systems as they age.
Price: On the used market, the 4-Series, like its Audi and Mercedes counterparts, experiences significant depreciation, making them excellent value propositions for buyers seeking luxury and performance at a discount. Lexus and Infiniti tend to hold their value slightly better, but are also less common.
Alternatives:
Performance: The 4-Series, particularly the 440i with its B58 engine and the M4, is renowned for its exceptional driving dynamics, precise steering, and a fantastic balance of comfort and sportiness. It often offers a more engaging and driver-focused experience than most rivals. The Audi S5/RS5 provides strong performance, especially with quattro AWD, but can feel a bit more detached. The Mercedes-AMG C43 offers a potent V6 and a luxurious ride, while the Lexus RC and Infiniti Q60 are powerful but generally lean towards a slightly less agile, more comfort-biased feel.
Features: All rivals offer a high level of luxury and technology. BMW's iDrive system is generally considered user-friendly. Audi's optional Virtual Cockpit impresses with its digital gauges, and Mercedes-Benz interiors often stand out for their aesthetic appeal and rich materials. The 4-Series holds its own with available premium audio, robust driver-assistance packages, and Apple CarPlay. Lexus and Infiniti also provide competitive tech, though some interfaces might feel less refined to some users.
Reliability: This is where perceptions diverge. Lexus and Infiniti models are typically perceived as having better long-term reliability and lower maintenance costs. BMW, Audi, and Mercedes-Benz, while offering robust engineering, generally incur higher ownership costs for maintenance and repairs, and are sometimes associated with more complex, and therefore potentially more problematic, systems as they age.
Price: On the used market, the 4-Series, like its Audi and Mercedes counterparts, experiences significant depreciation, making them excellent value propositions for buyers seeking luxury and performance at a discount. Lexus and Infiniti tend to hold their value slightly better, but are also less common.
Alternatives:
- For balanced performance and AWD practicality: The Audi S5 Sportback is a fantastic alternative, offering a potent V6, stylish design, and more usable rear doors/cargo space.
- For luxury and a plush ride with strong power: The Mercedes-Benz C43 AMG Coupe provides a powerful V6 and a more opulent interior ambiance.
- For absolute reliability with a sporty edge: The Lexus RC 350 is a strong contender, albeit with a less dynamic driving experience than the BMW.
- For a powerful, stylish coupe at potentially lower prices: The Infiniti Q60 Red Sport 400 offers serious horsepower and distinctive styling.
Final Verdict: Is the 2018 BMW 4-Series a Good Coupe?
The 2018 BMW 4-Series is ideal for driving enthusiasts and individuals who prioritize a blend of sporty performance, luxurious comfort, and elegant styling. It's perfect for those seeking a more engaging experience than a typical sedan, with the Coupe offering classic sports car appeal, and the Gran Coupe providing added practicality.
Is it worth buying? Absolutely, especially as a used vehicle. The significant depreciation makes it an excellent value proposition, offering premium luxury and exhilarating performance at a fraction of its original cost. It is recommended to purchase a 4-Series with a complete and verifiable service history, and a pre-purchase inspection (PPI) is non-negotiable.
For daily driving balance, the 440i trim strikes a superb equilibrium between power, refinement, and efficiency. The 430i offers solid performance with better fuel economy, while the M4 is for those who demand uncompromising track-ready performance. Be prepared for higher ongoing maintenance and repair costs, as is typical for a luxury German vehicle. If you're aware of and can budget for the ownership expenses, the 2018 4-Series delivers a highly rewarding and sophisticated driving experience.
Is it worth buying? Absolutely, especially as a used vehicle. The significant depreciation makes it an excellent value proposition, offering premium luxury and exhilarating performance at a fraction of its original cost. It is recommended to purchase a 4-Series with a complete and verifiable service history, and a pre-purchase inspection (PPI) is non-negotiable.
For daily driving balance, the 440i trim strikes a superb equilibrium between power, refinement, and efficiency. The 430i offers solid performance with better fuel economy, while the M4 is for those who demand uncompromising track-ready performance. Be prepared for higher ongoing maintenance and repair costs, as is typical for a luxury German vehicle. If you're aware of and can budget for the ownership expenses, the 2018 4-Series delivers a highly rewarding and sophisticated driving experience.
Simon A
Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.