Used Kia K4 cars for sale on What Car?

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What Car? Classifieds has 170 approved used Kia K4 cars available for sale from top Kia dealers. Browse our classifieds now - the easiest and most powerful used car search tool around – and find the perfect approved used Kia K4 near you.

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Cars found 170

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Kia K4 1.0 T-GDi MHEV GT-Line S DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol Hybrid
  • 5 Doors
  • Automatic
  • 2,600 Miles
Kia K4 1.0 T-GDi MHEV GT-Line DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol Hybrid
  • 5 Doors
  • Automatic
  • 20 Miles
Kia K4 1.0 T-GDi MHEV GT-Line DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol Hybrid
  • 5 Doors
  • Automatic
  • 8,042 Miles
Kia K4 1.0 T-GDi MHEV GT-Line DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol Hybrid
  • 5 Doors
  • Automatic
  • 6,311 Miles
Kia K4 1.6 T-GDi GT-Line S DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol
  • 5 Doors
  • Automatic
  • 5,000 Miles
Kia K4 1.6 T-GDi GT-Line S DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol
  • 5 Doors
  • Automatic
  • 3,947 Miles
Kia K4 HYBRID ELECTRIC HATCHBACK 1.0 T-GDi MHEV GT-Line S DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol Hybrid
  • 5 Doors
  • Automatic
  • 2,889 Miles
Kia K4 1.0 T-GDi MHEV GT-Line S DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol Hybrid
  • 5 Doors
  • Automatic
  • 6,585 Miles
Kia K4 1.0 T-GDi MHEV GT-Line DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol Hybrid
  • 5 Doors
  • Automatic
  • 2,000 Miles
Kia K4 1.0 T-GDi MHEV GT-Line DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol Hybrid
  • 5 Doors
  • Automatic
  • 3,948 Miles
Kia K4 1.0 T-GDi MHEV Pure Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol Hybrid
  • 5 Doors
  • Manual
Kia K4 1.6 T-GDi GT-Line DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol
  • 5 Doors
  • Automatic
  • 6,626 Miles
Kia K4 HATCHBACK 1.6 T-GDi GT-Line S DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol
  • 5 Doors
  • Automatic
  • 10 Miles
Kia K4 1.0 T-GDi MHEV GT-Line DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol Hybrid
  • 5 Doors
  • Automatic
Kia K4 1.0 T-GDi MHEV Pure Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol Hybrid
  • 5 Doors
  • Manual
Kia K4 1.0 T-GDi MHEV GT-Line DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol Hybrid
  • 5 Doors
  • Automatic
  • 1 Miles
Kia K4 1.0 T-GDi MHEV Pure Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol Hybrid
  • 5 Doors
  • Manual
Kia K4 1.0 T-GDi MHEV GT-Line S DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol Hybrid
  • 5 Doors
  • Automatic
  • 3,708 Miles
Kia K4 1.6 T-GDi GT-Line DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol
  • 5 Doors
  • Automatic
  • 1,536 Miles
Kia K4 1.6 T-GDi GT-Line DCT Euro 6 (s/s) 5dr
  • 2026 reg
  • Petrol
  • 5 Doors
  • Automatic
  • 5,167 Miles
...