How much does it cost to charge a BMW i7?

At the U.S. average residential rate (16.9¢/kWh), a full home charge of the BMW i7 (101.7 kWh, ~318 mi range) costs about $19.10 — 6.5¢ per mile. Public DC fast charging at ~43¢/kWh runs about $43.73 per full charge.

How long does it take to charge a BMW i7?

On a Level 2 home charger the BMW i7 accepts up to 11 kW, so an empty-to-full charge takes about 10 hours (roughly 29 miles of range per hour). At a DC fast charger its ~195 kW peak gives a 10–80% charge in about 34 minutes. On a standard 120V outlet (Level 1), a full charge takes around 85 hours.

What home charger do I need for a BMW i7?

Any Level 2 (240V) charger works; the BMW i7's onboard charger caps AC charging at 11 kW, so a 48A unit on a 60A circuit reaches that limit — a more powerful charger will not charge it faster. The electricity cost is the same at any speed: $19.10 per full charge at the national-average rate.

Cost to Charge a BMW i7

Updated September 2026 · U.S. average rates

The short answer: at the national average rate, a full home charge of the BMW i7 (101.7 kWh usable, ~318 miles of range) costs about $19.10 — 6.5¢ per mile, or $64.75 per 1,000 miles. The same charge at a public DC fast charger runs roughly $43.73. Versus a 32-mpg gas car, home charging saves about $33.69 per 1,000 miles.

101.7 kWh

Battery (usable)

318 mi

EPA-est. range

2.9 mi/kWh

Efficiency

6.5¢

Cost per mile (avg)

Living with a BMW i7: the cost story

The i7 is the electric 7 Series in the fullest sense — enormous, opulent, and heavy, with a big pack that keeps range generous and consumption predictably substantial.

Its buyers won't check this page twice, but the comparison stands: it runs at a fraction of the 760i's premium-fuel budget while being the quieter, smoother car.

Cheapest & most expensive states for the BMW i7

Cheapest

North Dakota$12.66 full · 4.3¢/mi
Idaho$13.11 full · 4.4¢/mi
Utah$13.22 full · 4.5¢/mi
Wyoming$13.33 full · 4.5¢/mi
Louisiana$13.67 full · 4.6¢/mi

Most expensive

Hawaii$47.57 full · 16.1¢/mi
Connecticut$36.50 full · 12.4¢/mi
California$35.93 full · 12.2¢/mi
Massachusetts$35.26 full · 12.0¢/mi
Rhode Island$34.35 full · 11.6¢/mi

BMW i7 charging speed & home charger

Cost does not depend on speed — a kWh is a kWh — but time does. These estimates use the BMW i7's onboard AC limit (11 kW) and its typical DC fast-charging peak (~195 kW); real sessions taper as the battery fills.

~85 h

Level 1 (120V outlet), empty → full

~10 h

Level 2 home charger (11 kW), empty → full

~29 mi

Level 2 range added per hour

~34 min

DC fast (~195 kW), 10 → 80%

Home charger sizing: the BMW i7 tops out at 11 kW on AC, so a 48-amp charger on a 60-amp circuit reaches its limit — a bigger unit adds nothing. Overnight (8 hours) on Level 2 restores about 230 miles, more than most daily driving. See Level 1 vs Level 2 and how many kWh it takes to charge an EV.

Run it for your state

Your state

Electric vehicle

Your rate (¢/kWh, optional)

$17.63

Full charge at home (101.7 kWh, ~318 mi)

6.0¢

Per mile at home charging

$59.77

Per 1,000 miles / month

$43.73 (14.8¢/mi)

Public DC fast charging (~43¢/kWh)

9.8¢/mi

Comparable gas car (32 mpg @ $3.15/gal)

$38.67/mo saved

vs gas at 1,000 mi/month, home charging

Using Texas's average residential rate (15.6¢/kWh) · national average 16.9¢ · includes ~10% AC charging losses. Rates vary by utility and plan — your bill is the source of truth.

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