Toyota bZ4X (FWD) in Illinois
Home charging at 16.43¢/kWh (EIA). 31 kWh per 100 miles (EPA combined). Public DC fast: 45¢/kWh avg.
EV vs gas car — annual fuel cost
The Toyota bZ4X (FWD) at home rates compared against a typical 28-mpg gas car and a 40-mpg hybrid at the Illinois fuel price ($3.55/gal).
| Annual mileage | Toyota bZ4X (FWD) (home) | 28-mpg gas | 40-mpg hybrid | EV savings vs gas |
|---|---|---|---|---|
| 6,000 mi | $306 | $761 | $533 | $455 |
| 10,000 mi | $509 | $1268 | $888 | $759 |
| 12,000 mi | $611 | $1521 | $1065 | $910 |
| 15,000 mi | $764 | $1902 | $1331 | $1138 |
| 20,000 mi | $1019 | $2536 | $1775 | $1517 |
Home vs public DC fast charging
Home charging is the default cost optimization. Public DC fast charging in Illinois runs about 2.7× the home rate. For 12,000 miles/yr entirely on DC fast, annual fuel cost would be $1674 vs $611 at home — a $1063 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 Illinois
- Illinois EPA EV Rebate$4,000rebateTiered by income/year. $4,000 base, less after 2026
Same vehicle in neighboring states
How Toyota bZ4X (FWD) cost compares in Illinois's contiguous neighbors. Relevant for cross-border driving and relocation decisions.
| State | Electricity | Gas | EV / 100mi | Saves vs gas |
|---|---|---|---|---|
| Illinois (current) | 16.43¢ | $3.55 | $5.09 | $7.59 |
| Missouri | 12.59¢ | $2.95 | $3.90 | $6.63 |
| Kentucky | 12.83¢ | $3.05 | $3.98 | $6.92 |
| Iowa | 13.49¢ | $3.10 | $4.18 | $6.89 |
| Indiana | 15.40¢ | $3.30 | $4.77 | $7.01 |
| Wisconsin | 17.20¢ | $3.25 | $5.33 | $6.28 |
Vehicle specs
- EPA combined efficiency: 31 kWh/100 miles
- EPA range: 252 miles
- Make / model: Toyota bZ4X
Other EVs in Illinois
Common questions
- How much does it cost to charge a Toyota bZ4X (FWD) at home in Illinois?
- About $5.09 per 100 miles at the Illinois residential electricity rate of 16.43¢/kWh (EIA). For comparison, a 28-mpg gas car at local gas prices costs $12.68 per 100 miles. Annual savings at 12,000 miles: ~$910.
- Home charging vs public DC fast charging — what's the difference in Illinois?
- Public DC fast charging in Illinois averages ~45¢/kWh — that's 2.7× home rates. A 100-mile session costs roughly $13.95 at public chargers vs $5.09 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 Illinois?
- Yes. Total state incentives can reach $4,000 on top of the federal $7,500 Section 30D tax credit. Eligibility depends on vehicle MSRP and household income — check the official program page for current limits.
- Does winter weather affect charging cost in Illinois?
- 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.