*Comparing approximate electricity costs for INSTER 02 vs petrol i20 Tech Line covering 7,100 miles pa. EV charging based on 80% home charging using average cost data from zapmap and average UK fuel prices from RAC as of 21/09/26.
Claim developed utilising Hyundai Finance Electric Car Running Cost Calculator - https://www.hyundaifinance.co.uk/ev-calc/
Comparison vehicles:
- i20 1.0T 90PS 7DCT Tech Line – Combined MPG 47.9
- INSTER 02 49kWh
Average annual mileage of 7,100:
- Source - DFT 2024 annual mileage for ‘all cars’
o https://www.gov.uk/government/statistical-data-sets/nts09-vehicle-mileage-and-occupancy#car-mileage
Average fuel price:
September 2026: 172.52
September 2026: 172.52
Source RAC fuel watch UK-wide average for unleaded petrol taken 21/09/26 - https://www.rac.co.uk/drive/advice/fuel-watch/
Example
80% of charging overnight:
September 2026: 8.5p
based on pricing via zapmap average charging costs - https://www.zapmap.com/ev-stats/charging-price-index
20% of charging at Rapid/Ultra rapid:
September 2026: 77p
based on pricing via zapmap average charging costs - https://www.zapmap.com/ev-stats/charging-price-index
Outcome
Image illustrating outcome of example above
