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Kia K4 (petrol) • 122 cars with Valuation

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Carwow

Used Kia K4 GT-Line S 179 HP (131 kW) 2026 Grey Hatchback

Petrol

(2026) Kia K4 GT-Line S 179 HP

£26,395

Fair price

You save £1,005

RG14 7HT Berkshire, Berkshire

152 g CO2/km comb. - 179 HP (131 kW) - 6.8 Mpg

Carwow

Used Kia K4 GT-Line S 115 HP (84 kW) 2026 Blue Hatchback

Petrol

(2026) Kia K4 GT-Line S 115 HP

£24,888

Fair price

You save £312

S81 7AE Nottinghamshire, Nottinghamshire

132 g CO2/km comb. - 115 HP (84 kW) - 5.8 Mpg

Carwow Leasing

New Kia K4 GT-Line 114 HP (83 kW) 2026 Hatchback

Petrol

(2026) Kia K4 GT-Line 114 HP

£24,195

Good price

You save £1,405

SS7 3NL Rayleigh, Essex

130 g CO2/km comb. - 114 HP (83 kW) - 5.7 Mpg

Carwow Leasing

New Kia K4 GT-Line S 179 HP (131 kW) 2026 Premium paint sparkling yell Hatchback

Petrol

(2026) Kia K4 GT-Line S 179 HP

£28,875

Fair price

Estimated price £28,252

London, London

152 g CO2/km comb. - 179 HP (131 kW) - 6.6 Mpg

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Used (2026) Kia K4 GT-Line S 115 HP | Fair price

1.0 T-GDi MHEV GT-Line S DCT Euro

2026
2,121 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
5.6 mpg
Details

Fair price

£25,772

£26,799

Dealer

London, London

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Used (2026) Kia K4 GT-Line S 115 HP | Fair price

1.0T-GDi 115 48V GT-Line S 5dr DCT

2026
1,308 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
5.6 mpg
Details

Fair price

£24,836

£25,460

Dealer

London, London

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Used (2026) Kia K4 GT-Line S 113 HP | Fair price

1.0T-GDi 115 48V GT-Line S 5dr

2026
6,854 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
113 HP (83 kW)
CO2 emissions: 132 g CO2/km comb.
5.6 mpg
Details

Fair price

£24,055

£27,100

Dealer

BS34 5BW Patchway, Gloucestershire

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Used (2026) Kia K4 GT-Line S 115 HP | Fair price

1.0 T Gdi Mhev Gt Line S Hatchback

2026
2,500 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
CO2 emissions: 132 g CO2/km comb.
5.6 mpg
Details

Fair price

£24,667

£27,990

Dealer

PE30 4NB Norfolk, Norfolk

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Carwow

Used Kia K4 GT-Line 115 HP (84 kW) 2026 Blue Hatchback

Petrol

(2026) Kia K4 GT-Line 115 HP

£23,495

Good price

You save £2,305

RG2 0ST Berkshire, Berkshire

130 g CO2/km comb. - 115 HP (84 kW) - 5.6 Mpg

Carwow

Used Kia K4 GT-Line 150 HP (110 kW) 2026 Premium paint sparkling yellow Hatchback

Petrol

(2026) Kia K4 GT-Line 150 HP

£23,869

Fair price

You save £231

SS7 3NL Rayleigh, Essex

148 g CO2/km comb. - 150 HP (110 kW) - 6.4 Mpg

Carwow Leasing

New Kia K4 114 HP (83 kW) 2026 Hatchback

Petrol

(2026) Kia K4 114 HP

£22,995

Fair price

Estimated price £21,891

HD16AP

129 g CO2/km comb. - 114 HP (83 kW) - 5.7 Mpg

Carwow

Petrol

(2026) Kia K4 GT-Line S 115 HP

£23,967

Good price

You save £1,333

NG1 3FS Nottingham, Nottinghamshire

132 g CO2/km comb. - 115 HP (84 kW) - 49.0 Mpg

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Used (2026) Kia K4 GT-Line S 115 HP | Fair price

1.0 T Gdi Mhev Gt Line S Hatchback

2026
3,544 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
CO2 emissions: 132 g CO2/km comb.
48.7 mpg
Details

Fair price

£26,499

£29,999

Dealer

IP24 1HT Norfolk, Norfolk

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Used (2026) Kia K4 GT-Line S 115 HP | Fair price

1.0 T-GDi MHEV GT-Line S Hatchback

2026
2,500 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
5.6 mpg
Details

Fair price

£24,995

£27,895

Dealer

DY10 1JR Kidderminster, Worcestershire

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1 / 1

Used (2026) Kia K4 GT-Line S 115 HP | Fair price

1.0T-GDi 115 48V GT-Line S 5dr

2026
4,403 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
5.6 mpg
Details

Fair price

£25,995

Dealer

London, London

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1 / 4

Used (2026) Kia K4 GT-Line S 115 HP | Fair price

1.0T-GDi 115 48V GT-Line S 5dr

2026
1,696 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
CO2 emissions: 132 g CO2/km comb.
5.6 mpg
Details

Fair price

£24,998

Dealer

PA1 2BH Renfrewshire, Renfrewshire

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Used (2026) Kia K4 GT-Line S 115 HP | Fair price

1.0 T-GDi MHEV GT-Line S DCT Euro

2026
5,824 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
5.6 mpg
Details

Fair price

£24,997

£27,984

Exchange and Mart

West Yorkshire, West Yorkshire

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Used (2026) Kia K4 GT-Line S 115 HP | Fair price

1.0T-GDi 115 48V GT-Line S 5dr DCT

2026
9,381 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
5.6 mpg
Details

Fair price

£24,278

£24,890

Dealer

London, London

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Carwow

Used Kia K4 GT-Line 114 HP (83 kW) 2026 Hatchback

Petrol

(2026) Kia K4 GT-Line 114 HP

£23,350

Good price

You save £1,950

B93 8NJ Dorridge, West Midlands

130 g CO2/km comb. - 114 HP (83 kW) - 5.7 Mpg

Carwow

New Kia K4 GT-Line 114 HP (83 kW) 2026 White Hatchback

Petrol

(2026) Kia K4 GT-Line 114 HP

£22,995

Fair price

You save £805

HD1 6AP West Yorkshire, West Yorkshire

130 g CO2/km comb. - 114 HP (83 kW) - 5.7 Mpg

Carwow

Used Kia K4 GT-Line S 114 HP (83 kW) 2026 White Hatchback

Petrol

(2026) Kia K4 GT-Line S 114 HP

£24,836

Fair price

You save £564

S71 1EZ South Yorkshire, South Yorkshire

132 g CO2/km comb. - 114 HP (83 kW) - 49.0 Mpg

Carwow

Used Kia K4 GT-Line S 115 HP (84 kW) 2026 Black Hatchback

Petrol

(2026) Kia K4 GT-Line S 115 HP

£25,390

Fair price

Estimated price £25,230

SO30 2WA Hedge End, Hampshire

132 g CO2/km comb. - 115 HP (84 kW) - 5.6 Mpg

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Used (2026) Kia K4 GT-Line S 115 HP | Fair price

GT-Line S

2026
4,425 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
CO2 emissions: 132 g CO2/km comb.
5.6 mpg
Details

Fair price

£25,995

£27,995

Dealer

CA14 4JH Cumberland, Cumbria

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Used (2026) Kia K4 GT-Line S 115 HP | Fair price

1.0T-GDi 115 48V GT-Line S 5dr

2026
5,065 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
CO2 emissions: 132 g CO2/km comb.
5.6 mpg
Details

Fair price

£25,995

£27,995

Dealer

CA14 4JH Cumberland, Cumbria

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1 / 1

New (2026) Kia K4 GT-Line S 115 HP | Fair price

1.0T-GDi 115 48V GT-Line S 5dr

2026
1,000 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
5.6 mpg
Details

Fair price

£26,995

Dealer

London, London

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Used (2026) Kia K4 GT-Line S 115 HP | Fair price

1.0T-GDi 115 48V GT-Line S 5dr

2026
6,432 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
5.6 mpg
Details

Fair price

£23,995

£24,660

Dealer

London, London

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1 / 1

Used (2026) Kia K4 GT-Line 115 HP | Fair price

1.0 T-GDi MHEV GT-Line DCT Euro 6

2026
4,000 miles
Trim level: GT-Line
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
5.6 mpg
Details

Fair price

£24,515

£24,656

Dealer

London, London

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1 / 1

Used (2026) Kia K4 115 HP | Fair price

1.0 T-GDi MT MHEV PURE

2026
2,037 miles
1.0L Petrol
Hatchback
Manual
115 HP (84 kW)
5.6 mpg
Details

Fair price

£21,490

£21,668

Dealer

London, London

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Used (2026) Kia K4 GT-Line 147 HP | Fair price

Hatchback 1.6T-GDi 150 GT-Line 5dr

2026
5,442 miles
Trim level: GT-Line
1.6L Petrol
Hatchback
Automatic
147 HP (108 kW)
CO2 emissions: 148 g CO2/km comb.
43.5 mpg
Details

Fair price

£23,250

£23,495

Dealer

LA8 8EL Levens, Cumbria

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Used (2026) Kia K4 GT-Line S 115 HP | Fair price

1.0 T Gdi Mhev Gt Line S Hatchback

2026
5,906 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
5.6 mpg
Details

Fair price

£24,995

Dealer

London, London

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Used (2026) Kia K4 GT-Line S 115 HP | Fair price

1.0T-GDi 115 48V GT-Line S 5dr

2026
13,489 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
CO2 emissions: 132 g CO2/km comb.
5.6 mpg
Details

Fair price

£23,995

£26,995

Dealer

BT35 6PU Newry, Mourne And Down

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1 / 1

Used (2026) Kia K4 GT-Line S 177 HP | Fair price

Hatchback 1.6T-GDi 180 GT-Line S

2026
8,809 miles
Trim level: GT-Line S
1.6L Petrol
Hatchback
Automatic
177 HP (130 kW)
CO2 emissions: 152 g CO2/km comb.
42.2 mpg
Details

Fair price

£26,995

Dealer

SG8 5HJ Hertfordshire, Hertfordshire

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Carwow

Used Kia K4 GT-Line 150 HP (110 kW) 2026 White Hatchback

Petrol

(2026) Kia K4 GT-Line 150 HP

£22,525

Good price

You save £1,375

CM14 4NS Essex, Essex

148 g CO2/km comb. - 150 HP (110 kW) - 6.4 Mpg

Carwow

Used Kia K4 GT-Line S 114 HP (83 kW) 2026 Hatchback

Petrol

(2026) Kia K4 GT-Line S 114 HP

£25,695

Fair price

Estimated price £25,269

CM14 4NS Essex, Essex

132 g CO2/km comb. - 114 HP (83 kW) - 5.8 Mpg

Carwow

Used Kia K4 GT-Line S 115 HP (84 kW) 2026 White Hatchback

Petrol

(2026) Kia K4 GT-Line S 115 HP

£23,495

Good price

You save £1,305

RG2 0ST Berkshire, Berkshire

132 g CO2/km comb. - 115 HP (84 kW) - 5.6 Mpg

Carwow

Used Kia K4 GT-Line S 179 HP (131 kW) 2026 Pearl snow white Hatchback

Petrol

(2026) Kia K4 GT-Line S 179 HP

£27,188

Fair price

You save £512

SS7 3NL Rayleigh, Essex

152 g CO2/km comb. - 179 HP (131 kW) - 6.6 Mpg

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Used (2026) Kia K4 GT-Line 150 HP | Fair price

Hatchback 1.6T-GDi 150 GT-Line 5dr

2026
5,036 miles
Trim level: GT-Line
1.6L Petrol
Hatchback
Automatic
150 HP (110 kW)
CO2 emissions: 148 g CO2/km comb.
6.4 mpg
Details

Fair price

£23,995

£24,995

Dealer

CA3 0ET Cumberland, Cumbria

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Used (2026) Kia K4 GT-Line 113 HP | Fair price

1.0T-GDi 115 48V GT-Line 5dr

2026
2,280 miles
Trim level: GT-Line
1.0L Petrol
Hatchback
Automatic
113 HP (83 kW)
CO2 emissions: 130 g CO2/km comb.
49.6 mpg
Details

Fair price

£23,998

£24,998

Dealer

G67 2UA Cumbernauld, Lanarkshire

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Used (2026) Kia K4 GT-Line 147 HP | Fair price

GT-Line

2026
5,419 miles
Trim level: GT-Line
1.6L Petrol
Hatchback
Automatic
147 HP (108 kW)
CO2 emissions: 148 g CO2/km comb.
43.5 mpg
Details

Fair price

£23,250

£26,595

Dealer

CA3 0ET Cumberland, Cumbria

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1 / 1

Used (2026) Kia K4 GT-Line 147 HP | Fair price

1.6 T Gdi Gt Line Hatchback 5dr

2026
5,400 miles
Trim level: GT-Line
1.6L Petrol
Hatchback
Automatic
147 HP (108 kW)
CO2 emissions: 148 g CO2/km comb.
43.5 mpg
Details

Fair price

£23,495

Dealer

London, London

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Used (2026) Kia K4 GT-Line S 115 HP | Fair price

1.0 T-GDi MHEV GT-Line S Hatchback

2026
2,501 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
5.6 mpg
Details

Fair price

£24,995

Dealer

London, London

View the car

Featured deals

Carwow

Used Kia K4 GT-Line 150 HP (110 kW) 2026 Black Hatchback

Petrol

(2026) Kia K4 GT-Line 150 HP

£22,999

Fair price

You save £1,001

S402WG Derbyshire, Derbyshire

130 g CO2/km comb. - 150 HP (110 kW) - 6.4 Mpg

Carwow Leasing

Petrol

(2026) Kia K4 GT-Line 114 HP

£23,890

Good price

You save £1,710

S601TU

130 g CO2/km comb. - 114 HP (83 kW) - 5.7 Mpg

Carwow

Used Kia K4 GT-Line S 180 HP (132 kW) 2026 White Hatchback

Petrol

(2026) Kia K4 GT-Line S 180 HP

£26,699

Fair price

You save £1,101

S81 7AE Nottinghamshire, Nottinghamshire

132 g CO2/km comb. - 180 HP (132 kW) - 6.6 Mpg

Carwow

Used Kia K4 GT-Line 150 HP (110 kW) 2026 Blue Hatchback

Petrol

(2026) Kia K4 GT-Line 150 HP

£23,490

Fair price

You save £110

B73 6SP Birmingham, West Midlands

148 g CO2/km comb. - 150 HP (110 kW) - 6.4 Mpg

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