Missouri home charging cost for the 2027 Audi S6 e-tron (21 inch wheels)

A 2027 Audi S6 e-tron (21 inch wheels) draws 33.8 kWh per 100 miles per the EPA; at Missouri's 13.45¢/kWh residential rate that's $4.54 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home costs a fraction of what gas would here: 71.6% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Audi S6 e-tron (21 inch wheels) costs roughly $682 a year to charge at home in Missouri, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,721 a year.

Cost of a full charge

Covering the 2027 Audi S6 e-tron (21 inch wheels)'s EPA-rated 311-mile range takes about 105.1 kWh, which costs about $14.13 at Missouri's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 2,608 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Audi S6 e-tron (21 inch wheels) alone ranks 118 of 400 models for efficiency; Missouri alone ranks 7 of 51 states for electricity price.

Next step: home charger installation

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Get quotes from local electricians for Level 2 charger installation in Missouri before deciding.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 13.45¢/kWh, Missouri sits in the middle of the national range — the guide to why charging cost varies by state shows where.