Motoring Today Editorial · Updated 25 Jul 2026 · 8 min read· 2015–2018
The BMW Alpina D4 Convertible (2015 - 2018) is sold in the UK between 2015 and 2018. Engine choices cover diesel power, with automatic gearboxes. Bodystyles run to 4 seats and 2 doors. This review covers what the BMW Alpina D4 Convertible (2015 - 2018) is like to drive and live with, running costs, common faults and reliability, and what to check before you buy a used one. Our reviewers score it 3.9 out of 5 overall.
The BMW Alpina D4 Convertible (2015 - 2018) is a compelling choice for those seeking a luxurious and performance-oriented convertible. With its blend of style, comfort, and driving dynamics, it appeals to both enthusiasts and casual drivers alike. The potential for electric variants in the future adds to its allure, making it a forward-thinking option in the luxury market. Overall, the D4 Convertible is highly recommended for anyone looking to enjoy the open road in style.
Typical monthly payment
£939/month
Based on PCP · 48 months · £5,600 deposit
Best suited for
Affordability
Premium
Above average monthly commitment.
The BMW Alpina D4 Convertible (2015 - 2018) is a compelling choice for those seeking a luxurious and performance-oriented convertible. With its blend of style, comfort, and driving dynamics, it appeals to both enthusiasts and casual drivers alike. The potential for electric variants in the future adds to its allure, making it a forward-thinking option in the luxury market. Overall, the D4 Convertible is highly recommended for anyone looking to enjoy the open road in style.
Best match for
Based on 10,000 miles per year
£125/month
£190/month
£21300/month
£60/month
Estimated total
£21675/month
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With its precise steering and well-tuned suspension, the handling of the BMW Alpina D4 Convertible is exceptional. The car feels agile and responsive, providing drivers with confidence in various driving conditions. The integration of advanced technology ensures that the vehicle
Verified spec data
Performance
Power
345 bhp
0–60 mph
4.5 s
Fastest in range
Top speed
173 mph
Engine
2,993 cc
Economy & running
Fuel economy
47.0–53.0 mpg
WLTP combined
CO₂
139–155 g/km
Insurance group
50 of 50
Road tax
£190 - £600/yr
Standard VED
Dimensions & practicality
Length
4,640 mm
Width
2,045 mm
Height
1,377 mm
Wheelbase
2,810 mm
Kerb weight
1,775 kg
Seats
4
Doors
2
Figures span the 2 recorded trim variants (2014–2018). Exact figures vary by trim, options and model year — always confirm on the specific car's listing.
External voices
The BMW Alpina D4 Convertible impresses with its blend of performance and luxury. Reviewers praise its powerful engine, refined ride quality, and high-quality interior. However, some critics note that the rear seats are cramped and the boot space is limited, which may deter practicality-focused buyers.
Read full reviewThe design of the BMW Alpina D4 Convertible is lauded for its elegant lines and sporty stance. The interior is equally impressive, featuring premium materials and a driver-focused layout. Critics mention that while the aesthetics are striking, the overall design may not appeal to everyone.
Read full reviewThe Alpina D4 Convertible is generally regarded as reliable, with few reported issues. Owners appreciate the build quality and performance, but some have experienced minor electrical faults. Overall, it is seen as a dependable choice in the luxury convertible segment.
Ownership intelligence
Finance options for the BMW Alpina D4 Convertible are varied, with competitive leasing and financing plans available through BMW's financial services. This flexibility allows buyers to choose a payment structure that suits their budget, making it easier to own a piece of luxury automotive engineering.
Running costs for the BMW Alpina D4 Convertible are competitive within its class, especially considering its performance capabilities. Regular maintenance and servicing are essential to keep the vehicle in optimal condition, but the overall reliability of the BMW brand helps mitigate unexpected expenses. Fuel efficiency is commendable for a luxury convertible, making it a practical choice for those who desire both performance and economy.
For the petrol variant, fuel consumption is reasonable, but potential buyers should also consider the emerging electric options as BMW transitions towards more sustainable models. The retro icon reborn electric naturally concept may soon offer an alternative for eco-conscious drivers seeking the thrill of a convertible without compromising on environmental impact.
Heritage
2015
Launch of the BMW Alpina D4 Convertible
2016
Introduction of updated technology features
2018
Final production year of the model
The BMW Alpina D4 Convertible was designed to offer a unique blend of luxury and performance, catering to discerning drivers who appreciate both style and driving dynamics. Since its inception, the Alpina brand has evolved to incorporate advanced technology and sustainable practices, with the recent focus on electric models reflecting the changing landscape of the automotive industry.
The BMW Alpina D4 Convertible (2015 - 2018) stands out in the premium convertible market for its unique blend of performance and luxury, competing closely with rivals like the Audi A5, Mercedes-Benz C-Class Cabriolet, and Porsche Boxster.
Audi A5 Convertible
Premium convertible offering a blend of luxury and performance.
Mercedes-Benz C-Class Cabriolet
Luxury convertible known for comfort and style.
Porsche Boxster
Sports car convertible focused on performance and handling.
Available now
Representative trims and engines recorded for this model.
| Trim | Fuel | Power | 0–60 | Economy | CO₂ | Ins. | New price |
|---|---|---|---|---|---|---|---|
| D4 3.0 Bi Turbo 2d Switch-TronicAutomatic · Rear wheel drive · 2015–2018 | Diesel | 345 bhp | 4.8s | 47 mpg | 155 g/km | 50 | £56,225 |
| D4 3.0 Bi Turbo 2d Switch-TronicAutomatic · Rear wheel drive · 2014–2018 | Diesel | 345 bhp | 4.5s | 53 mpg | 139 g/km | 50 | £52,525 |
BMW Alpina D4 Convertible (2015 - 2018) (2015–2018)
From £939/month
