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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 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

Carwow

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

Petrol

(2026) Kia K4 GT-Line S 115 HP

£24,395

Fair price

You save £305

OX26 6PZ Oxfordshire, Oxfordshire

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

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1 / 4

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

K4 Hatchback 1.0T-GDi 115 48V

2026
5,010 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
5.6 mpg
Details

Fair price

£25,768

£26,380

Exchange and Mart

Buckinghamshire, Buckinghamshire

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1 / 4

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

K4 Hatchback 1.0T-GDi 115 48V

2026
2,547 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
5.6 mpg
Details

Fair price

£25,695

£25,807

Exchange and Mart

Essex, Essex

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1 / 4

Used (2026) Kia K4 EX 115 HP | Fair price

1.0 T-GDi MHEV GT-Line S DCT Euro

2026
4,725 miles
Trim level: EX
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
5.6 mpg
Details

Fair price

£25,197

£27,999

Exchange and Mart

Warwickshire, Warwickshire

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

K4 Hatchback 1.0T-GDi 115 48V

2026
6,106 miles
Trim level: GT-Line S
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
5.6 mpg
Details

Fair price

£25,570

£25,980

Exchange and Mart

Buckinghamshire, Buckinghamshire

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Carwow

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

Petrol

(2026) Kia K4 GT-Line S 115 HP

£24,239

Fair price

You save £1,061

NG1 3FS Nottingham, Nottinghamshire

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

Petrol

(2026) Kia K4 GT-Line 114 HP

£23,999

Good price

You save £1,501

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 Red Hatchback

Petrol

(2026) Kia K4 GT-Line S 180 HP

£26,412

Good price

You save £1,388

NG1 3FS Nottingham, Nottinghamshire

152 g CO2/km comb. - 180 HP (132 kW) - 6.8 Mpg

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

K4 Hatchback 1.6T-GDi 180 GT-Line

2026
2,136 miles
Trim level: GT-Line S
1.6L Petrol
Hatchback
Automatic
Details

Fair price

£26,994

£30,750

Exchange and Mart

Warwickshire, Warwickshire

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-10%

Used (2026) Kia K4 EX 115 HP | Fair price

1.0 T-GDi MHEV GT-Line S DCT Euro

2026
6,000 miles
Trim level: EX
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
5.6 mpg
Details

Fair price

£25,995

£28,995

Exchange and Mart

Somerset, Somerset

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-9%

1 / 4

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

K4 Hatchback 1.6T-GDi 180 GT-Line

2026
7,425 miles
Trim level: GT-Line S
1.6L Petrol
Hatchback
Automatic
Details

Fair price

£26,180

£29,048

Exchange and Mart

Buckinghamshire, Buckinghamshire

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1 / 1

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

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

2026
2,201 miles
Trim level: GT-Line
1.0L Petrol
Hatchback
Automatic
113 HP (83 kW)
CO2 emissions: 130 g CO2/km comb.
5.6 mpg
Details

Fair price

£24,000

Dealer

NP19 4QR Newport, Gwent

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New (2026) Kia K4 113 HP | Fair price

1.0T-GDi 115 48V Pure 5dr

2026
10 miles
1.0L Petrol
Hatchback
Manual
113 HP (83 kW)
CO2 emissions: 129 g CO2/km comb.
5.6 mpg
Details

Fair price

£20,400

£23,000

Dealer

GL1 2SQ Gloucestershire, Gloucestershire

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

1.6T-GDi 150 GT-Line 5dr DCT

2026
1,709 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

£24,495

£24,995

Dealer

CA3 0ET Cumberland, Cumbria

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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

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 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

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 115 HP | Fair price

1.0T-GDi 115 48V Pure 5dr

2026
2,239 miles
1.0L Petrol
Hatchback
Manual
115 HP (84 kW)
5.6 mpg
Details

Fair price

£20,995

£21,495

Dealer

CA3 0ET Cumberland, Cumbria

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-6%

1 / 1

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

Hatchback 1.6T-GDi 150 GT-Line 5dr

2026
4,419 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

£25,550

Dealer

CA3 0ET Cumberland, Cumbria

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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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-11%

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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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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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New

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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Carwow

Petrol

(2026) Kia K4 GT-Line S 115 HP

£23,995

Fair price

You save £805

RG2 0ST Berkshire, Berkshire

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

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 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 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
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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-2%

1 / 1

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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-7%

1 / 1

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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-7%

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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

View the car

Featured deals

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

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

Petrol

(2026) Kia K4 GT-Line S 114 HP

£24,995

Fair price

You save £505

RG2 0ST Berkshire, Berkshire

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

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

Used Kia K4 115 HP (84 kW) 2026 Other Hatchback

Good price

RG2 0ST Berkshire, Berkshire

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

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