Reality Check · Deltona, FL
2026 GMC Sierra EV AT4 / Denali in Deltona, FL
Winter range, charging cost and how far it goes, worked out for Deltona's weather, grid and prices.
Winter barely touches range in Deltona: at a typical January's 60°F, a Sierra EV AT4 / Denali gets an estimated 408 miles on a charge, about its 410-mile rating. Charging at home at Florida's average rate (15.0¢/kWh) costs about $84 a month for 38 miles a day, about a third of the $279 a gas Sierra costs on Florida's gas. On Deltona's grid (FRCC All), about the US average, it makes 68% less CO₂ than gas.
Partly estimated. 2 of 5 temperature bands are from 117 real drives of this model; the rest come from 1,548 real drives in EVs at each temperature (and Recurrent's winter study below freezing), applied to its 410-mile rating. Each band switches to its own drives once it has 20 from 3 drivers.
October range
429mi
At Deltona's typical October day, 76°F · 35% highway
Winter lowEstimated
408mi
January, 60°F · lows near 49°F
Home chargingEstimated
$84/mo
7.3¢ a mile at 15.0¢/kWh. Gas Sierra: $279/mo
Deltona's grid
0.78lb CO₂/kWh
FRCC All (EPA eGRID): about the US average, 68% less CO₂ than gas
Deltona, season by seasonEstimated
A Sierra EV AT4 / Denali's range on a full charge, averaged over each season's months (30-year normal temperatures), at 35% highway.
Winter Dec–Feb · 62°F
About its rating · coldest week 408 mi
411mi
Spring Mar–May · 72°F
3% above its rating
424mi
Summer Jun–Aug · 83°F
About its rating
419mi
Fall Sep–Nov · 75°FNow
3% above its rating
424mi
A Sierra EV AT4 / Denali's range through a Deltona yearEstimated
Each month at Deltona's 30-year normal temperature, 35% highway. No day of the year averages below freezing.
How far it goes from Deltona, on real roads
In October, from a full charge with 10% in reserve: about 193 mi out and back, 386 mi one way (January: 367 mi). Dots are DC fast chargers by network.
Fast charging around Deltona
PlugLog's map of every public charger. Tesla-only Superchargers aren't counted.
- 67DC fast chargers within 25 mi
- 2.3 mito the nearest
- Tesla Supercharger232 in reach
- ChargePoint158
- EVgo92
- Electrify America62
- EV Connect59
Road trips in October, about, by road: Charleston (351 mi) and Miami (281 mi) one way on a charge; Augusta (390 mi) with one fast stop.
Questions Deltona drivers ask
How far can a Sierra EV AT4 / Denali go in a Deltona winter?
Deltona's winters are mild: about 408 miles on a typical January day (60°F) and about the same in the coldest week (around January 10, 60°F), estimated from real EV drives at those temperatures. That's about its 410-mile rating.
How much does it cost to charge a Sierra EV AT4 / Denali in Deltona?
About $84 a month at home for 38 miles a day, at Florida's average home electricity rate of 15.0¢/kWh: about 7.3¢ a mile. A gas Sierra on Florida's average gas ($3.98 a gallon) costs about $279 a month for the same driving.
Can I charge a Sierra EV AT4 / Denali on a regular 120 V outlet in Deltona?
Not at 38 miles a day: a 120 V outlet adds only about 33 miles in 12 hours on an average day (31 in the coldest week). Plan on 240 V, which fills it from 10% in about 17 hours.
Is it greener to drive electric on Deltona's grid?
Yes. Deltona's grid (FRCC All) is about the US average, and a Sierra EV AT4 / Denali charged on it makes 68% less CO₂ than a gas Sierra.
Check it for your own address
Your street, your daily miles, any temperature on the knob.
Sierra EV AT4 / Denali Reality Check near Deltona
Sources: temperatures, 30-year normals (NOAA 1991–2020) at Orlando Sanford Airport, FL; home electricity, EIA (Florida, July 2026); gas, EIA weekly (Florida); grid CO₂, EPA eGRID 2023; cold-weather range, PlugLog's real drives and Recurrent's winter study (Nov 2025); chargers, Open Charge Map and PlugLog. Updated Oct 22, 2026.