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2025 Kia K4 • Compare 3 used cars with valuation

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Carwow

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

(2026) Kia K4 GT-Line 150 HP

Fair price

S60 1TU Parkgate, South Yorkshire

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

Carwow

New Kia K4 114 HP (83 kW) 2026 Black Hatchback

(2026) Kia K4 114 HP

Fair price

B73 6SP Birmingham, West Midlands

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

Carwow

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

(2026) Kia K4 GT-Line 114 HP

Super price

You save £2,703

BD1 4AJ West Yorkshire, West Yorkshire

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

Carwow

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

(2026) Kia K4 GT-Line S 115 HP

Fair price

You save £1,305

RG21 6XQ Hampshire, Hampshire

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

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Used (2025) Kia K4 GT-Line 150 HP | Good price

1.6T-GDi 150 GT-Line 5dr DCT

Jan 2025
6,324 miles
Trim level: GT-Line
1.6L Petrol
Hatchback
Automatic
150 HP (110 kW)
CO2 emissions: 148 g CO2/km comb.
44 mpg
Details

Good price

£22,995

£27,500

Lonehea Edinburgh, Edinburgh

Availability verified

-6%

1 / 4

New (2025) Kia K4 GT-Line 114 HP | Fair price

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

2025
0 miles
Trim level: GT-Line
1.0L Petrol
Hatchback
Automatic
114 HP (83 kW)
CO2 emissions: 130 g CO2/km comb.
5.7 mpg
Details

Fair price

£28,795

£30,665

CB225DG

Availability verified

-5%

1 / 4

Used (2025) Kia K4 GT-Line 115 HP | Fair price

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

2025
2,519 miles
Trim level: GT-Line
1.0L Petrol
Hatchback
Automatic
115 HP (84 kW)
CO2 emissions: 130 g CO2/km comb.
5.7 mpg
Details

Fair price

£25,990

£27,600

Exchange and Mart

SN14 6LJ Wiltshire, Wiltshire

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Carwow Leasing

New Kia K4 114 HP (83 kW) 2026 Hatchback

(2026) Kia K4 114 HP

Fair price

Estimated price £22,196

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

Carwow

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

(2026) Kia K4 GT-Line S 114 HP

Fair price

You save £1,153

S71 1EZ South Yorkshire, South Yorkshire

132 g CO2/km comb. - 114 HP (83 kW) - 5.6 Mpg

Carwow

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

(2026) Kia K4 GT-Line 115 HP

Good price

You save £2,157

BD1 4AJ West Yorkshire, West Yorkshire

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

Carwow

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

(2026) Kia K4 GT-Line 114 HP

Good price

You save £2,522

EH288TH Newbridge, Edinburgh

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

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