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Kia K4: fuel consumption and running costs

Hybrid · Petrol

Consumption
41–51 mpg
5.5–6.9 L/100 km
Cost per 100 miles · Hybrid
£15.14
Cost per 100 miles · Petrol
£17.35
CO2
126–155
g/km
New registrations, last 12 months
979

Running cost uses today's average Unleaded (E10) price of 171.1p.

New registrations by year

2026979

Fuel types registered

  • Hybrid · 736
  • Petrol · 243

Best-selling versions

  1. K4 GT-LINE MHEV AUTO · 238
  2. K4 PURE MHEV AUTO · 196
  3. K4 GT-LINE S MHEV AUTO · 161
  4. K4 GT-LINE AUTO · 143
  5. K4 PURE MHEV · 141
  6. K4 GT-LINE S AUTO · 100

WLTP figures come from the EU type-approval data for this model (the same test as in the UK); UK trims can differ slightly.

Technical data

Length4,695 mm
Width1,850 mm
Height1,435 mm
Wheelbase2,720 mm
Fuel tank47 l
Boot604 l
Power180 hp
Seats5

Dimensions and weights for the 2027 model from public specifications.

Official WLTP combined figures. Source: Department for Transport vehicle licensing statistics (Open Government Licence v3.0) and EU WLTP type-approval data.

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