Kia Stonic 2025 running costs in United Kingdom

Official UK Vehicle Certification Agency (WLTP) figure for the 2025 Kia Stonic: 49–50 mpg (UK), 129–132 g/km CO₂. At United Kingdom prices (£1.64/L petrol), driving 12,000 miles a year costs about £1,805 — £0.09 per mile, priced on petrol (a plug-in hybrid also uses electricity, which is cheaper per km on home charging).

Official figures — 2025 Kia Stonic

Fuel typesHybrid · Petrol
Official consumption48.7–49.6 mpg (UK)
CO₂ (official)129–132 g/km
Engine size998 cc
Power73 kW
Configurations in source data2
Data sourceUK Vehicle Certification Agency (WLTP) — WLTP test cycle

What it costs to run in United Kingdom

Hybrid (49.6 mpg (UK))£1,805/year
MOT£54.85/year
Typical annual road tax£190/year
Estimated annual running cost£2,050/year ≈ £171/month

Assumes 12,000 miles a year and the current average United Kingdom prices shown above (GOV.UK weekly road fuel prices, Sep 2026 (164.4p)). Insurance is not included because it depends on your age, history and the policy — add it in the full ownership calculator. Servicing, tyres and repairs also vary by car and driver.

How it compares with other hybrid cars in United Kingdom

The average hybrid car in our United Kingdom dataset uses 5.9 L/100km. The 2025 Kia Stonic uses 5.7 L/100km — about 3.4% less than that average, or roughly £63.34 saved a year at 12,000 miles.

2025 Kia Stonic — configurations in the official data

FuelConsumptionCO₂EnginePowerSource variant
Hybrid5.7 L/100km129 g/km998 cc73 kW'3' 1.0 T-GDi 98bhp DCT 48V · 6 versions (median WLTP)
Petrol5.8 L/100km132 g/km998 cc73 kW'GT-Line' 1.0 T-GDi 98bhp MT · 4 versions (median WLTP)

Figures are the official certified values recorded in the UK Vehicle Certification Agency (WLTP), grouped across 2 configurations. Real-world consumption is typically higher than the certified figure.

Related

Kia Stonic 2026 · All United Kingdom cars · Full United Kingdom running-cost calculator · United Kingdom fuel cost calculator

These are estimates built from official certified figures and current average prices. They are not financial advice. Verify the exact figure for the car you are buying — consumption varies by trim, tyres and driving style.