Reality Check · New Orleans, LA
2026 GMC Sierra EV AT4 / Denali in New Orleans, LA
Winter range, charging cost and how far it goes, worked out for New Orleans's weather, grid and prices.
Winter barely touches range in New Orleans: at a typical January's 54°F, a Sierra EV AT4 / Denali gets an estimated 400 miles on a charge, about its 410-mile rating. Charging at home at Louisiana's average rate (12.7¢/kWh) costs about $72 a month for 38 miles a day, about a third of the $265 a gas Sierra costs on the Gulf Coast's gas. On New Orleans's grid (SERC Mississippi Valley), about the US average, it makes 70% 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
426mi
At New Orleans's typical October day, 73°F · 35% highway
Winter lowEstimated
399mi
January, 54°F · lows near 47°F
Home chargingEstimated
$72/mo
6.2¢ a mile at 12.7¢/kWh. Gas Sierra: $265/mo
New Orleans's grid
0.74lb CO₂/kWh
SERC Mississippi Valley (EPA eGRID): about the US average, 70% less CO₂ than gas
New Orleans, 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 · 56°F
About its rating · coldest week 399 mi
403mi
Spring Mar–May · 71°F
About its rating
422mi
Summer Jun–Aug · 84°F
About its rating
417mi
Fall Sep–Nov · 72°FNow
About its rating
420mi
A Sierra EV AT4 / Denali's range through a New Orleans yearEstimated
Each month at New Orleans's 30-year normal temperature, 35% highway. No day of the year averages below freezing.
How far it goes from New Orleans, on real roads
In October, from a full charge with 10% in reserve: about 192 mi out and back, 383 mi one way (January: 360 mi). Dots are DC fast chargers by network.
Fast charging around New Orleans
PlugLog's map of every public charger. Tesla-only Superchargers aren't counted.
- 12DC fast chargers within 25 mi
- 11.1 mito the nearest
- ChargePoint62 in reach
- Tesla Supercharger44
- EV Connect37
- Blink23
- EVgo22
Road trips in October, about, by road: Birmingham (378 mi) and Jackson (196 mi) one way on a charge; Houston (409 mi) with one fast stop.
Questions New Orleans drivers ask
How far can a Sierra EV AT4 / Denali go in a New Orleans winter?
New Orleans's winters are mild: about 400 miles on a typical January day (54°F) and about the same in the coldest week (around January 9, 54°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 New Orleans?
About $72 a month at home for 38 miles a day, at Louisiana's average home electricity rate of 12.7¢/kWh: about 6.2¢ a mile. A gas Sierra on the Gulf Coast's average gas ($3.78 a gallon) costs about $265 a month for the same driving.
Can I charge a Sierra EV AT4 / Denali on a regular 120 V outlet in New Orleans?
Not at 38 miles a day: a 120 V outlet adds only about 32 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 New Orleans's grid?
Yes. New Orleans's grid (SERC Mississippi Valley) is about the US average, and a Sierra EV AT4 / Denali charged on it makes 70% 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 New Orleans
Sources: temperatures, 30-year normals (NOAA 1991–2020) at New Orleans Lakefront Airport, LA; home electricity, EIA (Louisiana, July 2026); gas, EIA weekly (the Gulf Coast); 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.