From 06 April 2020, all official CO2 data for new cars is derived from the WLTP test cycle. Site currently being updated. Find out more >>

Most economical cars 2020

most economical cars uk

With rising fuel costs, finding an economical car with good fuel economy is essential. The listing below shows the Top 30 new cars currently available in the UK in 2020 sorted by MPG and with details on MPG, CO2 g/km, Tax Band and the unique Next Green Car Rating.

Please use the new car search to filter these results by Manufacturer, Vehicle Class, Fuel Type, Tax Band, Transmission and more.

If you are looking for something more specific try one of the lists of economical cars below:

List of most economical cars
Key

Petrol
Diesel
Hybrid
Plug-in
Hybrid
Electric
Hydrogen
NGC
Rating
MPG
Combined
CO2
(g/km)
NGC
Approved

UNITI One 12 kWh 50kW Auto

City car 3 door / 3 seats
Compare
OTR £16,200 Including OLEV grant OLEV Category 1
NGC
10
MPG
316
EQUIV
CO2
0
WLTP

LEVC TX5 ICON 31kWh Auto

Taxi 4 door / 8 seats
Compare
OTR £52,999 Not eligible for OLEV grant OLEV Category 1
NGC
37
MPG
314
WLTP
CO2
20
WLTP

TOYOTA Prius Plug-In 1.8 VVT-i Business Edition Plus Hybrid Auto

Large family 5 door / 4 seats
Compare
OTR £32,125 Not eligible for OLEV grant
NGC
30
MPG
283
WLTP
CO2
29
WLTP

HYUNDAI IONIQ Plug-in Hybrid 1.6 GDi Premium 141ps DCT

Large family 5 door / 5 seats
Compare
OTR £30,250 Not eligible for OLEV grant
NGC
26
MPG
257
WLTP
CO2
26
WLTP

BMW X5 PHEV xDrive45e xLine Auto

SUV 5 door / 5 seats
Compare
OTR £64,745 Not eligible for OLEV grant
NGC
48
MPG
235
WLTP
CO2
28
27-34
WLTP

PEUGEOT 3008 HYBRID 4 GT 300 e-EAT8 S&S

SUV 5 door / 5 seats
Compare
OTR £46,750 Not eligible for OLEV grant
NGC
39
MPG
235
WLTP
CO2
30
WLTP

MERCEDES-BENZ C-Class EQ Power Saloon C 300 de Sport Edition 9G-TRONIC PLUS

Executive 4 door / 5 seats
Compare
OTR £44,510 Not eligible for OLEV grant
NGC
37
MPG
235
WLTP
CO2
32
WLTP

PEUGEOT 508 Fastback HYBRID Allure 225 e-EAT8 S&S

Large family 5 door / 5 seats
Compare
OTR £34,945 Not eligible for OLEV grant
NGC
36
MPG
235
WLTP
CO2
29
WLTP

PEUGEOT 508 SW HYBRID Allure 225 e-EAT8 S&S

Estate 5 door / 5 seats
Compare
OTR £36,545 Not eligible for OLEV grant
NGC
37
MPG
235
WLTP
CO2
30
WLTP

MERCEDES-BENZ A-Class EQ Power Saloon A 250 e AMG Line 8G-DCT

Small family 4 door / 5 seats
Compare
OTR £33,575 Not eligible for OLEV grant
NGC
32
MPG
217
WLTP
CO2
25
WLTP

What is an economical car?

What constitutes an economical car will vary from person to person, but most motorists are looking for low running costs: low tax, low insurance and good fuel economy

High fuel economy or MPG tends to go hand in hand with low CO2 emissions and low CO2 emissions in turn means less car tax or company car tax. Thus, the most economical cars to run are often also environmentally-friendly cars.

Selecting a model in the list of most economical cars above will show more details on the model, including running costs, whole life cost and links to fuel and tax calculators.

Chris Lilly

Author:Chris Lilly
Date Updated:5th Jun 2020

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