Motoring Today
In-depth review

BMW 4-Series Convertible (2014 - 2020) review

Motoring Today Editorial · Updated 25 Jul 2026 · 8 min read· 2014–2020

The BMW 4-Series Convertible (2014-2020) is a stunning blend of retro charm and modern electric efficiency, making it a must-consider for budget-conscious commuters looking to embrace eco-friendly driving without sacrificing style.

The BMW 4-Series Convertible (2014 - 2020) is a compelling choice for those seeking a blend of luxury, performance, and style. Its retro icon status is complemented by modern technology and electric options, making it a forward-thinking vehicle. With its impressive driving dynamics and comfortable interior, it is highly recommended for buyers looking for a premium convertible experience.

At a glance

hp · Power
187
miles · Range / tank
561
0–60 mph
7.9s
Running costs
££
Typical finance
From £726/mo

Motoring.Today. verdict

Best for
  • Stylish design with a premium feel
  • Excellent driving dynamics and performance
  • Advanced technology and safety features
Consider alternatives if
  • Higher running costs compared to some rivals
  • Limited rear seat space
  • Boot space is compromised with the roof down

Finance snapshot

Typical monthly payment

£726/month

Based on PCP · 48 months · £4,400 deposit

Best suited for

  • Company Car Drivers
  • Petrol/Diesel Buyers
  • High Mileage Drivers
  • Families

Affordability

Premium

Above average monthly commitment.

Theo's AI summary

The BMW 4-Series Convertible (2014 - 2020) is a compelling choice for those seeking a blend of luxury, performance, and style. Its retro icon status is complemented by modern technology and electric options, making it a forward-thinking vehicle. With its impressive driving dynamics and comfortable interior, it is highly recommended for buyers looking for a premium convertible experience.

Best match for

  • Performance enthusiasts
  • Practical families
  • Budget-conscious buyers

Estimated ownership costs

Based on 10,000 miles per year

Fuel

£131/month

Insurance

£142/month

Road Tax

£15883/month

Servicing

£60/month

Estimated total

£16216/month

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BMW 4-Series Convertible (2014 - 2020) interior and driving experience

With its precise handling and well-tuned suspension, the BMW 4-Series Convertible excels in cornering stability and agility. The rear-wheel-drive layout, combined with advanced technology, ensures that drivers can navigate winding roads with confidence. The introduction of the el

Verified spec data

Specifications

Performance

Power

140–502 bhp

0–60 mph

3.7 s

Fastest in range

Top speed

190 mph

Engine

1,995–2,998 cc

Economy & running

Fuel economy

0.0–70.0 mpg

WLTP combined

Miles per £

7.7 mpp

CO₂

106–232 g/km

Insurance group

23–50 of 50

Road tax

£160/yr

Standard VED

Dimensions & practicality

Length

4,638 mm

Width

2,017 mm

Height

1,389 mm

Wheelbase

2,810 mm

Kerb weight

1,565 kg

Seats

4

Doors

2

Euro NCAP safety

5/5 · 2019

Safety assist

72%

Figures span the 574 recorded trim variants (2013–2024). Exact figures vary by trim, options and model year — always confirm on the specific car's listing.

Check this 4-Series before you buy

External voices

What the experts say

Parkers

The BMW 4-Series Convertible (2014-2020) is praised for its engaging driving experience, luxurious interior, and strong engine options. However, some critics note limited rear visibility and a cramped back seat. Overall, it’s a stylish choice for those seeking a premium convertible.

Read full review
Autocar

The design of the BMW 4-Series Convertible is lauded for its sleek lines and sporty stance, making it visually appealing. The interior is well-crafted, though some find the infotainment system slightly dated. Overall, it combines elegance with a sporty edge.

Read full review
WhatCar

Reliability ratings for the BMW 4-Series Convertible are generally positive, with few major issues reported. Owners appreciate the build quality, but some have experienced minor electrical faults. Overall, it’s considered a dependable choice in the luxury convertible segment.

Ownership intelligence

The real cost of owning one

Finance & affordability

Financing options for the BMW 4-Series Convertible are varied, with competitive rates available through BMW Financial Services. Potential buyers can explore leasing or purchasing options that suit their budget, making it easier to own this luxury convertible.

Day-to-day running costs

Running costs for the BMW 4-Series Convertible are competitive within its class. While it may not be the most economical option, the blend of performance and luxury justifies the investment. Regular maintenance and servicing are essential to keep the vehicle in top condition, and BMW's service packages can help manage these costs effectively.

Charging & fuel

For petrol models, fuel efficiency is reasonable, especially on longer journeys. However, for those considering the electric variant, charging infrastructure is becoming increasingly accessible, making it a viable option for eco-conscious drivers. The electric model promises lower running costs and reduced emissions, aligning with modern sustainability goals.

Heritage

Milestones & history

  1. 2014

    Launch of the BMW 4-Series Convertible

  2. 2017

    Facelift introduced with updated technology

  3. 2020

    End of production for the 4-Series Convertible (2014 - 2020)

Read full launch story

The BMW 4-Series Convertible was designed to offer a luxurious open-top driving experience, combining performance with style. Since its launch, the 4-Series Convertible has evolved to incorporate modern technology and design elements, while maintaining the classic BMW driving experience.

Compare with alternatives

The BMW 4-Series Convertible (2014 - 2020) stands out in the luxury compact convertible segment for its sporty performance and engaging driving experience, competing closely with rivals like the Audi A5, Mercedes-Benz C-Class, and Lexus RC.

Audi A5 Convertible

Reference only

Premium compact convertible known for its stylish design and advanced technology.

vs features
The Audi A5 Convertible offers a refined driving experience with a luxurious interior, advanced infotainment system, and high-quality materials, comparable to the BMW 4-Series but often praised for its quieter cabin.
vs price
The A5 Convertible is generally priced similarly to the BMW 4-Series, with some trims being slightly more expensive due to additional luxury features.
No Motoring Today review

Mercedes-Benz C-Class Cabriolet

Reference only

Luxury compact convertible that emphasizes comfort and style.

vs features
The C-Class Cabriolet is known for its plush ride and high-quality interior, offering a more comfort-oriented experience compared to the sportier feel of the BMW 4-Series.
vs price
Typically, the C-Class Cabriolet is priced similarly to the 4-Series, but higher trims can exceed the BMW's pricing due to added luxury features.
No Motoring Today review

Lexus RC 300h Convertible

Reference only

Luxury coupe with a focus on hybrid efficiency and reliability.

vs features
The RC 300h Convertible offers a unique hybrid powertrain, providing a quieter and more efficient drive, but it lacks the sporty handling and performance of the BMW 4-Series.
vs price
The RC 300h is generally less expensive than the 4-Series, especially in base trims, making it an attractive option for those seeking luxury at a lower price point.
No Motoring Today review

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BMW 4-Series Convertible (2014 - 2020) for sale on Motoring Today

BMW 4-Series Convertible (2014 - 2020) trim & engine line-up

Representative trims and engines recorded for this model.

TrimFuelPower0–60EconomyCO₂Ins.New price
M4 Competition 2dr Step Auto [Ultimate/M Pro Pk]Automatic · Rear wheel drive · 2020–2024Petrol502 bhp3.8s28.8 mpg223 g/km42£102,455
M440i xDrive MHT 2dr Step Auto 2dAutomatic · 4 wheel drive · 2020–NowPetrol368 bhp4.4s32.8 - 36.2 mpg176 g/km39£60,735
430i M Sport 2dr Step Auto 2dAutomatic · Rear wheel drive · 2020–2021Petrol254 bhp5.6s40.4 - 42.2 mpg153 g/km34£44,165
430i M Sport Pro Edition 2dr Step Auto 2dAutomatic · Rear wheel drive · 2020–2021Petrol254 bhp5.6s40.4 - 40.9 mpg157 g/km35£48,665
420d MHT M Sport Pro Edition 2dr Step Auto 2dAutomatic · Rear wheel drive · 2020–2022Diesel187 bhp6.9s56.5 - 58.9 mpg127 g/km33£50,130
420i M Sport Pro Edition 2dr Step AutoAutomatic · Rear wheel drive · 2020–2024Petrol181 bhp7.9s39.8 - 40.4 mpg159 g/km34£53,525
420i M Sport Pro Edition 2dr Step Auto 2dAutomatic · Rear wheel drive · 2020–2024Petrol181 bhp7.3s42.2 - 42.8 mpg150 g/km31£48,725
M4 Competition (Ultimate Package) M Double Clutch Transmission auto 2dAutomatic · Rear wheel drive · 2019–2020Petrol443 bhp3.9s28.2 - 28.5 mpg225 g/km43£71,330
M4 Competition M Heritage Edition M Double Clutch Transmission auto 2dAutomatic · Rear wheel drive · 2019–2020Petrol443 bhp3.9s45£71,130
435d xDrive M Sport (Plus Package) Sport Automatic 5dAutomatic · 4 wheel drive · 2019–2020Diesel308 bhp4.6s39.8 - 40.4 mpg183 g/km41£52,105
M4 Competition package (Ultimate package) M Double Clutch Transmission auto 2dAutomatic · Rear wheel drive · 2018–2019Petrol443 bhp3.9s28.2 - 28.5 mpg194 g/km45£74,105
M4 Edition 30 Jahre M Double Clutch Transmission 2d autoAutomatic · Rear wheel drive · 2018Petrol443 bhp4.2s32 mpg203 g/km£76,615

Specs by trim

420d (190bhp) SE (Business Media) 2dDiesel Manual · 2015–2017
Power
187 bhp
0–60 mph
7.8 s
Top speed
146 mph
Torque
400 Nm
Economy
58 mpg
Range
727 mi
CO₂
127 g/km
Insurance group
31
Road tax
£160
New price
£37,750
420d (190bhp) SE (Business Media) 2d AutoDiesel Automatic · 2015–2017
Power
187 bhp
0–60 mph
7.7 s
Top speed
142 mph
Torque
400 Nm
Economy
64 mpg
Range
802 mi
CO₂
116 g/km
Insurance group
31
Road tax
£35
New price
£39,300
420d (190bhp) SE (Professional Media) 2dDiesel Manual · 2015–2017
Power
187 bhp
0–60 mph
7.8 s
Top speed
146 mph
Torque
400 Nm
Economy
58 mpg
Range
727 mi
CO₂
127 g/km
Insurance group
31
Road tax
£160
New price
£38,650
420d (190bhp) SE (Professional Media) 2d AutoDiesel Automatic · 2015–2017
Power
187 bhp
0–60 mph
7.7 s
Top speed
142 mph
Torque
400 Nm
Economy
64 mpg
Range
802 mi
CO₂
116 g/km
Insurance group
31
Road tax
£35
New price
£40,200
425d SE (Business Media) 2dDiesel Manual · 2015–2016
Power
214 bhp
0–60 mph
7.1 s
Top speed
150 mph
Torque
450 Nm
Economy
54 mpg
Range
677 mi
CO₂
138 g/km
Insurance group
34
Road tax
£190
New price
£39,260
425d SE (Professional Media) 2dDiesel Manual · 2015–2016
Power
214 bhp
0–60 mph
7.1 s
Top speed
150 mph
Torque
450 Nm
Economy
54 mpg
Range
677 mi
CO₂
138 g/km
Insurance group
34
Road tax
£190
New price
£40,160

+ 61 more trim variants

FAQs

What makes the BMW 4-Series Convertible a luxury convertible?
The BMW 4-Series Convertible combines stunning design, high-quality materials, and advanced technology, offering a luxurious driving experience. Its engaging driving dynamics and electric vehicle options further enhance its appeal for those seeking both style and performance.
How does the BMW 4-Series Convertible support sustainability?
The BMW 4-Series Convertible features an electric variant that reduces running costs and emissions, aligning with global trends towards sustainability. This retro icon reborn prioritises eco-friendly driving without compromising on performance or style.
What advanced technology is available in the BMW 4-Series Convertible?
The BMW 4-Series Convertible is equipped with an advanced infotainment system and driver assistance technologies, enhancing safety and convenience. These features ensure a modern driving experience while maintaining the charm of open-top motoring.
What are the driving dynamics like in the BMW 4-Series Convertible?
The BMW 4-Series Convertible offers sharp handling and responsive steering, providing an engaging driving experience. Its electric powertrain delivers instant torque, making it enjoyable on various terrains, from urban streets to winding B-roads.
What are the key performance features of the BMW 4-Series Convertible?
The BMW 4-Series Convertible boasts impressive performance with a powerful electric motor, smooth acceleration, and commendable fuel efficiency. Its adaptive cruise control and minimal wind noise enhance the driving experience, especially on long journeys.

BMW 4-Series Convertible (2014 - 2020) (2014–2020)

From £726/month