BMW 4 series convertible Best MPG

Below is a list of BMW 4 Series Convertible models available to buy new in 2022 ordered by MPG. Selecting a BMW 4 Series Convertible with high fuel economy will lead to lower running costs: lower fuel costs, and most likely lower car tax and company car tax.

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Key

Petrol
Diesel
Hybrid
Plug-in
Hybrid
Electric
NGC
Rating
NGC
Approved
MPG
Combined
Real MPG
(Estimated)
MPG
Equivalent

BMW 4 Series Convertible 420d Sport Sport-Auto

Sports cabrio 2 door / 4 seats
Compare
OTR £44,785
NGC
44
MPG
60
WLTP
CO2
156
156-164
WLTP

BMW 4 Series Convertible 420d (MHT) M Sport Pro Edition Sport-Auto

Sports cabrio 2 door / 4 seats
Compare
OTR £52,730
NGC
47
EST.
MPG
58
WLTP
CO2
134
134-136
WLTP

BMW 4 Series Convertible 420d (MHT) M Sport Sport-Auto

Sports cabrio 2 door / 4 seats
Compare
OTR £48,090
NGC
46
EST.
MPG
58
WLTP
CO2
129
129-136
WLTP

BMW 4 Series Convertible 420d Sport

Sports cabrio 2 door / 4 seats
Compare
OTR £43,095
NGC
47
MPG
56
WLTP
CO2
160
160-169
WLTP

BMW 4 Series Convertible 430d M Sport Sport-Auto

Sports cabrio 2 door / 4 seats
Compare
OTR £50,455
NGC
52
MPG
49
WLTP
CO2
180
180-184
WLTP

BMW 4 Series Convertible 420i Sport Sport-Auto

Sports cabrio 2 door / 4 seats
Compare
OTR £42,155
NGC
50
MPG
47
WLTP
CO2
183
183-193
WLTP

BMW 4 Series Convertible 430i M Sport Sport-Auto

Sports cabrio 2 door / 4 seats
Compare
OTR £46,455
NGC
51
MPG
47
WLTP
CO2
183
183-187
WLTP

BMW 4 Series Convertible 435d xDrive M Sport Sport-Auto

Sports cabrio 2 door / 4 seats
Compare
OTR £54,570
NGC
57
MPG
44
WLTP
CO2
189
189-191
WLTP

BMW 4 Series Convertible 420i M Sport Pro Edition Sport-Auto

Sports cabrio 2 door / 4 seats
Compare
OTR £50,385
NGC
55
EST.
MPG
42
WLTP
CO2
160
160-162
WLTP

BMW 4 Series Convertible 420i M Sport Sport-Auto

Sports cabrio 2 door / 4 seats
Compare
OTR £45,785
NGC
54
EST.
MPG
42
WLTP
CO2
154
154-161
WLTP

BMW 4 Series Convertible fuel economy

The 'Official MPG' figures for the BMW 4 Series Convertible are derived from the NEDC test. There are two parts to the test: an 'urban' cycle designed to reflect driving in a city environment with many stops and starts and an 'extra-urban' cycle designed to mirror more steady state motorway and country routes. The 'combined' figure, which is the most often quoted, is an average of 'urban' and 'extra-urban' weighted by the distances covered in each test.

Often drivers find that it is difficult to achieve the official MPG figures, and it is well understood that these rates should be used as a comparison rather than a target to achieve. Next Green Car has estimated a 'Real MPG' figure for the BMW 4 Series Convertible, which reflects real-world conditions more closely. See the real MPG page for more info.

Even within a model range like the BMW 4 Series Convertible, it is worth considering which model to select carefully as the MPG for different models can vary substantially. Fuel economy is directly linked to the tail-pipe CO2 emissions of a vehicle, thus a higher MPG BMW 4 Series Convertible model, will not only result in lower fuel costs but potentially a lower tax rate and less impact on the environment.

BMW 4 Series Convertible fuel economy
Chris Lilly

Author:Chris Lilly
Date Updated:22nd Jul 2022

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