Audi Q4 e-tron in Maryland
Home charging at 18.05¢/kWh (EIA). 34 kWh per 100 miles (EPA combined). Public DC fast: 47¢/kWh avg.
EV vs gas car — annual fuel cost
The Audi Q4 e-tron at home rates compared against a typical 28-mpg gas car and a 40-mpg hybrid at the Maryland fuel price ($3.30/gal).
| Annual mileage | Audi Q4 e-tron (home) | 28-mpg gas | 40-mpg hybrid | EV savings vs gas |
|---|---|---|---|---|
| 6,000 mi | $368 | $707 | $495 | $339 |
| 10,000 mi | $614 | $1179 | $825 | $565 |
| 12,000 mi | $736 | $1414 | $990 | $678 |
| 15,000 mi | $921 | $1768 | $1238 | $847 |
| 20,000 mi | $1227 | $2357 | $1650 | $1130 |
Home vs public DC fast charging
Home charging is the default cost optimization. Public DC fast charging in Maryland runs about 2.6× the home rate. For 12,000 miles/yr entirely on DC fast, annual fuel cost would be $1918 vs $736 at home — a $1181 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 Maryland
- tax creditNew BEV, MSRP < $50,000
Same vehicle in neighboring states
How Audi Q4 e-tron cost compares in Maryland's contiguous neighbors. Relevant for cross-border driving and relocation decisions.
| State | Electricity | Gas | EV / 100mi | Saves vs gas |
|---|---|---|---|---|
| Maryland (current) | 18.05¢ | $3.30 | $6.14 | $5.65 |
| Delaware | 14.78¢ | $3.15 | $5.03 | $6.22 |
| Virginia | 14.91¢ | $3.10 | $5.07 | $6.00 |
| West Virginia | 14.95¢ | $3.30 | $5.08 | $6.70 |
| District of Columbia | 17.51¢ | $3.50 | $5.95 | $6.55 |
| Pennsylvania | 18.20¢ | $3.40 | $6.19 | $5.95 |
Vehicle specs
- EPA combined efficiency: 34 kWh/100 miles
- EPA range: 263 miles
- Make / model: Audi Q4 e-tron
Other EVs in Maryland
Common questions
- How much does it cost to charge a Audi Q4 e-tron at home in Maryland?
- About $6.14 per 100 miles at the Maryland residential electricity rate of 18.05¢/kWh (EIA). For comparison, a 28-mpg gas car at local gas prices costs $11.79 per 100 miles. Annual savings at 12,000 miles: ~$678.
- Home charging vs public DC fast charging — what's the difference in Maryland?
- Public DC fast charging in Maryland averages ~47¢/kWh — that's 2.6× home rates. A 100-mile session costs roughly $15.98 at public chargers vs $6.14 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 Maryland?
- Yes. Total state incentives can reach $3,000 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 Maryland?
- 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.