2018 BMW 4 Series Convertible
2018 BMW 4 Series Convertible pricingin Ashburn, VA
Which 4 Series does Edmunds recommend?
Edmunds' Expert Review
Overall rating4 / 5
BMW is strongly associated with luxury sport coupes and convertibles. The company practically invented the modern interpretation of this class with its 3 Series. Four years ago, the 4 Series replaced the 3 Series coupe and convertible in name, but not in spirit. The 4 Series has been delivering all the performance, refinement and strength of its predecessor.
Recently, however, the competition has stepped up its game. You've also got redesigned versions of the Audi A5 and S5 and the Mercedes-Benz C-Class coupe to consider. In our opinion, these rivals have unseated the 4 Series from the top spot in the class, but not by a significant margin. This could be partially attributed to the 2018 BMW 4 Series' age, even though it's updated this year. The changes just aren't significant enough to push it to the top. Overall, though, the 4 Series remains a solid choice for a luxury sport coupe or convertible.
Trim levels & features
The 2018 BMW 4 Series is available in three body styles: a coupe, convertible and four-door Gran Coupe. Within these models, you can choose between the 430i or 440i trims that differ mostly by engine type. The 430i is powered by a turbocharged 2.0-liter four-cylinder engine (248 horsepower and 258 pound-feet of torque), and the 440i receives a turbocharged 3.0-liter six-cylinder engine (322 hp and 332 lb-ft). All of these 4 Series models come with an eight-speed automatic transmission that sends power to the rear wheels, though you can get a six-speed manual on the coupe as an option. BMW's xDrive all-wheel-drive system is also offered as an option.
Standard features for the 430i include 18-inch wheels, automatic LED headlights and foglights, a sunroof (coupe), power-folding and heated mirrors, auto-dimming mirrors, automatic wipers, selectable drive modes, cruise control, a rearview camera, BMW's Assist eCall emergency telematics and smartphone app control over some car functions.
On the inside, you get dual-zone automatic climate control, simulated leather upholstery, 10-way power-adjustable front sport seats, 40/20/40-split folding rear seats, a tilt-and-telescoping steering wheel, a universal garage door opener, BMW's iDrive infotainment system, a 6.5-inch display, a rearview camera, Bluetooth phone and streaming audio, and a nine-speaker audio system with a CD player, HD radio and a USB input.
The 440i adds keyless entry and ignition and a premium 16-speaker Harman Kardon surround-sound audio system with satellite radio. These features are options on the 430i. Convertible models have a power-operated retractable hardtop with a removable wind deflector.
Notable options include various sporty exterior touches, adaptive headlights, automatic high beams, an M Sport or adaptive suspension, an automated parking system, a head-up display, a navigation system, premium leather upholstery, heated front seats, a power rear sunshade, a surround-view camera system, Apple CarPlay and a wireless charging pad. On the safety front, you can also add front and rear parking sensors, blind-spot monitoring, forward collision warning and mitigation, a lane departure warning system and adaptive cruise control.
Noise & vibration4.5
Ease of use3.5
Getting in/getting out3.5
Audio & navigation3.5
Most helpful consumer reviews
2018 BMW 4 Series videos
[MUSIC PLAYING] CARLOS: We are sitting in a 2018 BMW 430i. That means this is a three series coupe. Now it's called the four series. And the 30i part means it has a turbo four cylinder with around 248 horsepower. We're going to have an acceleration run, or a few acceleration runs, in it to see how fast we can get it to 60 and the quarter mile. This is a manual, so it should be fairly straightforward and pretty traditional. But as a former three series coupe owner with a manual, I'm curious to see how this thing feels given that there's 20 years between my old car and this one. So as always, we'll start with our key-up acceleration. That means everything in the key-up settings, comfort, stability, control, traction control on. And let's just give it a try. 2000 RPM, that seems right. Nope, not enough. It seems like engine kind of runs out of steam as you get above 6500 RPM, but pulls strongly until that point. I like the red matching downshifts. It's all right. That's all right. I think we can cut some time off that. So we initially bogged on acceleration. That means engine wasn't delivering enough power to match the traction and revs immediately dropped down. You hear a little bit of tire chirping too. Doesn't like a super fast one, two gear change, so I'll have to be kind of lenient on that to not do too much mechanical abuse. But overall, it does what I expect. Power band feels really good between 4,000 and 6,000 RPM. I bet power peaks hiding in there. And the power delivery's strong right up in that area. Sounds all right for a turbo four too. they've taken a lot of the traditional turbocharge four cylinder sounds out, just has this hard-to-identify engine note. All right, let's get run number two a try. Sport plus, why not. And turn off stability control and traction control, because that's the secret to going fast. Also let's make sure we're lined up at the right spots. We have enough space to do out run. OK, let's try 2,500 RPM and see how that gets us off the line. Yeah, bogged again, need more RPM. Little bit of a delay on the gear change, there might be something in the drive line that is preventing me from shifting that fast. Cut 2/10 off acceleration to 60 at least. And I just realized, this thing has auto rev matching only when stability control is on weirdly. If you turn off stability control, your auto rev matching gets turned off as well. That's a really weird distinction to make, to have one system but not the other. That's probably not the way I would do it if I was responsible for those systems on this car. Because if you're driving this car and you're always expecting rev matching to be there, when it gets turned off, that's going to catch you by surprise like it did for me, a literal professional car testing person. That's official title too. So run number three. We're going to try 3,500 RPM because I bet we're going to be around there. Let's do it. Yeah. Little chirp in the second year, which is nice. That's actually a very helpful shift reminder. That's our V box doing that. Yep, and we just keep improving. I don't think we're going to get our 0 to 60 past that high five second mark. Power train does feel good. It's a little quicker than the numbers might lead you to believe. But it is a nice feeling drive, a nice feeling engine, even if it might get outrun by a v-6 Camry these days maybe. Probably would be pretty neck and neck, which is scary when you think about it. So acceleration runs in the four series with a six speed manual, the numbers themselves comparable with mid-size family sedans which is-- you'd expect a little bit more in terms of straight-line performance from a luxury coupe these days. Aside from the numbers themselves, the experience is very nice. And I think that's what people often conflate the numbers with is the experience. The shifter still feels really good. The clutch interplay and the pedal interaction between the shifter, gas pedal, clutch pedal is all very nice. Steering feels very good. Don't focus too much on numbers. This is still a pleasant experience. So think about that instead of the 0 to 60 time. [MUSIC PLAYING] CARLOS: If you like what you saw, keep it tuned right here. And also be sure to visit edmunds.com.
2018 BMW 430i Track Test
Edmunds Senior Writer Carlos Lago runs a 2018 BMW 430i equipped with a six-speed manual transmission down the strip. The 4 Series' classical front-engine and rear-drive layout return a driving experience that has made BMWs so desirable to driving enthusiasts. This one has a turbocharged 2.0-liter four-cylinder under its hood that makes 248 horsepower and 258 pound-feet of torque. As we find out during acceleration and handling testing, the 430i may not generate the quickest numbers, but it sure feels good in the process.
Features & Specs
Our experts’ favorite 4 Series safety features:
- BMW Assist eCall
- Automatically calls for help in the event of a collision and also allows passengers to call for roadside assistance with a single button.
- Active Blind Spot Detection
- Warns if there is a vehicle in or approaching your blind spot with visual alerts or vibration through the steering wheel.
- Forward Collision Warning
- Alerts you if the system detects a possible front collision and automatically applies the brakes if you don't react in time.
2018 BMW 4 Series Convertible for Sale
BMW finds itself in a rare position of playing catch-up with Mercedes-Benz and Audi in the luxury sport coupe class. Recent redesigns to the Mercedes C-Class and Audi A5 and S5 models have raised the bar, but the 2018 BMW 4 Series remains competitive, buoyed by a few improvements to this year's model.
The 4 Series is available in either a coupe or convertible. The base 430i trim is powered by a 248-horsepower, turbocharged 2.0-liter four-cylinder engine while the 440i gets a 326-hp 3.0-liter turbocharged six-cylinder. A standard eight-speed automatic transmission sends power to the rear wheels, and BMW's xDrive all-wheel-drive system is offered on all models. A six-speed manual transmission is only available on the coupe.
Standard 430i features highlights include 18-inch wheels, LED headlights, a sunroof, auto-dimming mirrors, selectable drive modes, BMW's Assist eCall emergency telematics, synthetic leather upholstery, BMW's iDrive infotainment system and a rearview camera. The 440i adds leather upholstery, keyless entry and ignition, and a premium 16-speaker Harman Kardon surround-sound system with satellite radio.
Notable options include various sporty exterior touches, adaptive headlights, automatic high beams, an M Sport or adaptive suspension, an automated parking system, a head-up display, a navigation system, heated front seats, a power rear sunshade, a surround-view camera system, Apple CarPlay and a wireless charging pad. On the safety front, front and rear parking sensors, blind-spot monitoring, frontal collision warning and mitigation, a lane departure warning system and adaptive cruise control are also available.
In terms of price, the 2018 BMW 4 Series is in lockstep with the Mercedes C-Class and Audi A5 or S5 if you outfit the vehicles similarly. The newer Mercedes trends a bit more to the traditional luxury side while the Audi pushes modernity and technology to new levels. In many ways the BMW finds a pleasant middle ground, and despite its age handicap, is still worth serious consideration.
2018 BMW 4 Series Convertible Overview
What do people think of the 2018 BMW 4 Series Convertible?
Consumer ratings and reviews are also available for the 2018 BMW 4 Series Convertible and all its trim types. Overall, Edmunds users rate the 2018 4 Series Convertible 4.5 on a scale of 1 to 5 stars. Edmunds consumer reviews allow users to sift through aggregated consumer reviews to understand what other drivers are saying about any vehicle in our database. Detailed rating breakdowns (including performance, comfort, value, interior, exterior design, build quality, and reliability) are available as well to provide shoppers with a comprehensive understanding of why customers like the 2018 4 Series Convertible.
Edmunds Expert Reviews
Edmunds experts have compiled a robust series of ratings and reviews for the 2018 BMW 4 Series Convertible and all model years in our database. Our rich analysis includes expert reviews and recommendations for the 2018 4 Series Convertible featuring deep dives into trim levels and features, performance, mpg, safety, interior, and driving. Edmunds also offers expert ratings, road test and performance data, long-term road tests, first-drive reviews, video reviews and more.Read our full review of the 2018 BMW 4 Series Convertible here.
Our Review Process
This review was written by a member of Edmunds' editorial team of expert car reviewers. Our team drives every car you can buy. We put the vehicles through rigorous testing, evaluating how they drive and comparing them in detail to their competitors.
We're also regular people like you, so we pay attention to all the different ways people use their cars every day. We want to know if there's enough room for our families and our weekend gear and whether or not our favorite drink fits in the cupholder. Our editors want to help you make the best decision on a car that fits your life.
What's a good price for a New 2018 BMW 4 Series Convertible?
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Which 2018 BMW 4 Series Convertibles are available in my area?
2018 BMW 4 Series Convertible Listings and Inventory
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Edmunds has deep data on over 6 million new, used, and certified pre-owned vehicles, including all models of the 2018 BMW 4 Series Convertible and all available trim types. Rich, trim-level features & specs and options data tracked for the 2018 BMW 4 Series Convertible include (but are not limited to): MSRP, available incentives and deals, average price paid, warranty information (basic, drivetrain, and maintenance), features (interior and exterior color, upholstery, bluetooth, navigation, cruise control, parking assistance, lane sensing, keyless ignition, satellite radio, folding rears seats,run flat tires, wheel type, tire size, sunroof, etc.), vehicle specifications (engine cylinder count, drivetrain, engine power, torque, engine displacement, transmission), fuel economy and MPG (city, highway, and combined, fuel capacity, range), vehicle dimensions (interior cabin space, vehicle length and width, seating capacity, cargo space). Edmunds also provides tools to allow shopper to compare vehicles to similar models of their choosing by warranty, interior features, exterior features, specifications, vehicle dimensions, consumer rating, edmunds expert review, safety rating, and color.
Should I lease or buy a 2018 BMW 4 Series?
Is it better to lease or buy a car? Ask most people and they'll probably tell you that car buying is the way to go. And from a financial perspective, it's true, provided you're willing to make higher monthly payments, pay off the loan in full and keep the car for a few years. Leasing, on the other hand, can be a less expensive option on a month-to-month basis. It's also good if you're someone who likes to drive a new car every three years or so.