BMW i7 xDrive60 in South Dakota
Home charging at 12.84¢/kWh (EIA). 39 kWh per 100 miles (EPA combined). Public DC fast: 38¢/kWh avg.
EV vs gas car — annual fuel cost
The BMW i7 xDrive60 at home rates compared against a typical 28-mpg gas car and a 40-mpg hybrid at the South Dakota fuel price ($3.15/gal).
| Annual mileage | BMW i7 xDrive60 (home) | 28-mpg gas | 40-mpg hybrid | EV savings vs gas |
|---|---|---|---|---|
| 6,000 mi | $300 | $675 | $473 | $375 |
| 10,000 mi | $501 | $1125 | $788 | $624 |
| 12,000 mi | $601 | $1350 | $945 | $749 |
| 15,000 mi | $751 | $1688 | $1181 | $936 |
| 20,000 mi | $1002 | $2250 | $1575 | $1248 |
Home vs public DC fast charging
Home charging is the default cost optimization. Public DC fast charging in South Dakota runs about 3.0× the home rate. For 12,000 miles/yr entirely on DC fast, annual fuel cost would be $1778 vs $601 at home — a $1177 penalty. Apartment dwellers and road-trippers should price this in; daily commuters with home Level 2 can usually ignore public chargers.
DC fast rate is a network average (Electrify America + EVgo + Tesla Supercharger + ChargePoint). Real prices vary by location, time of day, and membership tier.
EV incentives in South Dakota
South Dakota does not currently run a state-level EV purchase rebate. Federal Section 30D credit of $7,500 still applies for qualifying vehicles (US-assembled with sourced battery components, MSRP cap, household income cap). Check the EV tax credit eligibility list for your vehicle. Some utilities offer charger installation rebates — check with your local utility.
Same vehicle in neighboring states
How BMW i7 xDrive60 cost compares in South Dakota's contiguous neighbors. Relevant for cross-border driving and relocation decisions.
| State | Electricity | Gas | EV / 100mi | Saves vs gas |
|---|---|---|---|---|
| South Dakota (current) | 12.84¢ | $3.15 | $5.01 | $6.24 |
| Nebraska | 11.04¢ | $3.05 | $4.31 | $6.59 |
| North Dakota | 11.05¢ | $3.20 | $4.31 | $7.12 |
| Wyoming | 11.16¢ | $3.20 | $4.35 | $7.08 |
| Montana | 12.55¢ | $3.30 | $4.89 | $6.89 |
| Iowa | 13.49¢ | $3.10 | $5.26 | $5.81 |
| Minnesota | 14.93¢ | $3.20 | $5.82 | $5.61 |
Vehicle specs
- EPA combined efficiency: 39 kWh/100 miles
- EPA range: 308 miles
- Make / model: BMW i7
Other EVs in South Dakota
Common questions
- How much does it cost to charge a BMW i7 xDrive60 at home in South Dakota?
- About $5.01 per 100 miles at the South Dakota residential electricity rate of 12.84¢/kWh (EIA). For comparison, a 28-mpg gas car at local gas prices costs $11.25 per 100 miles. Annual savings at 12,000 miles: ~$749.
- Home charging vs public DC fast charging — what's the difference in South Dakota?
- Public DC fast charging in South Dakota averages ~38¢/kWh — that's 3.0× home rates. A 100-mile session costs roughly $14.82 at public chargers vs $5.01 at home. For daily commuting, home charging pays off. Public fast charging is for road trips and apartment dwellers without home charging access.
- Are there EV incentives in South Dakota?
- South Dakota does not currently run a state-level EV purchase rebate. The federal Section 30D tax credit ($7,500) still applies for qualifying vehicles, and your utility may run separate charger-installation rebates.
- Does winter weather affect charging cost in South Dakota?
- Yes — cold weather can reduce EV efficiency by 15-30% (battery + heater draw). The numbers above use EPA combined ratings; budget +20% for sustained sub-freezing temps. Winter range drop is most pronounced for northern states.
Full data sources and formulas: /sources.