Used natural gas (LNG, CNG) cars under £20,000 • 6 price-rated cars

Market overview: Natural gas (LNG, CNG) under £20,000 (June-2026): AutoUncle has analysed 6 used natural gas (LNG, CNG) cars for sale in this budget range. The most searched models: Dacia Sandero, Dacia Duster. The median price is £10,147, and the most popular body type is hatchback with manual. AutoUncle has rated 0 cars as listed below market value. The typical selling time is approx. 75 days, and 100.0% of listings have recently been reduced (largest reduction: £1,500). (Source: AutoUncle market data, June-2026)

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-11%

1 / 4

Used (2022) Dacia Sandero Prestige 100 HP | Fair price

Stepway 1.0 TCe Bi-Fuel Prestige

2022
15,100 miles
Trim level: Prestige
1.0L Natural gas (LNG, CNG)
Hatchback
Manual
100 HP (73 kW)
CO2 emissions: 127 g CO2/km comb.
5.5 mpg
Details

Fair price

£11,995

£13,495

Motors.co.uk

SA43 1SB Penparc, Dyfed

-20%

1 / 3

Used (2022) Dacia Sandero Essentiel 100 HP | Fair price

1.0 TCe Bi-Fuel Essential 5dr

2022
32,308 miles
Trim level: Essentiel
1.0L Natural gas (LNG, CNG)
Hatchback
Manual
100 HP (73 kW)
CO2 emissions: 127 g CO2/km comb.
5.5 mpg
Details

Fair price

£7,999

£9,999

Motors.co.uk

NP19 4PT Newport, Gwent

-19%

1 / 4

Used (2022) Dacia Sandero Comfort 100 HP | Fair price

Stepway 1.0 TCe Bi-Fuel Comfort

2022
17,501 miles
Trim level: Comfort
1.0L Natural gas (LNG, CNG)
Hatchback
Manual
100 HP (73 kW)
CO2 emissions: 123 g CO2/km comb.
38.1 mpg
Details

Fair price

£11,299

£13,999

Parkers.co.uk

LN6 9AT North Hykeham, Lincolnshire

-10%

1 / 4

Used (2021) Dacia Sandero Comfort 100 HP | Fair price

1.0 TCe Comfort Hatchback 5dr Bi

2021
42,555 miles
Trim level: Comfort
1.0L Natural gas (LNG, CNG)
Hatchback
Manual
100 HP (73 kW)
39.7 mpg
Details

Fair price

£8,995

£9,995

Motors.co.uk

SA12 8LA Baglan, West Glamorgan

-6%

1 / 4

Used (2020) Dacia Sandero Essentiel | Rare vehicle

1.0 TCe Bi-Fuel Essential 5dr

2020
30,481 miles
Trim level: Essentiel
1.0L Natural gas (LNG, CNG)
Hatchback
Manual
51.4 mpg
Details

£6,995

£7,495

Rare vehicle

Parkers.co.uk

OL1 2HP Greater Manchester, Manchester

-14%

1 / 4

Used (2021) Dacia Duster Prestige 100 HP | Rare vehicle

1.0 TCe 100 Bi-Fuel Prestige

2021
24,485 miles
Trim level: Prestige
1.0L Natural gas (LNG, CNG)
SUV
Manual
100 HP (73 kW)
CO2 emissions: 126 g CO2/km comb.
44.1 mpg
Details

£11,999

£13,999

Rare vehicle

Parkers.co.uk

LN6 9AT North Hykeham, Lincolnshire

Featured deals

Verified Dealers

Carwow

Used Vauxhall Astra 95 HP (69 kW) 2014 Estate

(2014) Vauxhall Astra 95 HP

Good price

109 g CO2/km comb. - 95 HP (69 kW) - 4.1 Mpg

Carwow

Used VW up! 60 HP (44 kW) 2016 Hatchback

(2016) VW up! 60 HP

Good price

You save £1,001

105 g CO2/km comb. - 60 HP (44 kW) - 4.5 Mpg

Carwow

Used Renault Captur Dynamique 90 HP (66 kW) 2015 SUV

(2015) Renault Captur Dynamique 90 HP

Good price

You save £1,101

115 g CO2/km comb. - 90 HP (66 kW) - 4.9 Mpg

Carwow

Used Vauxhall Astra 116 HP (85 kW) 2013 Hatchback

(2013) Vauxhall Astra 116 HP

Good price

147 g CO2/km comb. - 116 HP (85 kW) - 6.3 Mpg

Showing 1 - 6 of 6 results

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

Other fuel types

Petrol (1000+)
Diesel (1000+)
Electric (1000+)
Electric/petrol (1000+)
Electric/diesel (23)
Hybrid (1000+)
Autogas (LPG) (180)

See with natural gas (LNG, CNG)

natural gas (LNG, CNG) (6)