Reality Check · Las Vegas, NV
2026 GMC Sierra EV AT4 / Denali in Las Vegas, NV
Winter range, charging cost and how far it goes, worked out for Las Vegas's weather, grid and prices.
Winter barely touches range in Las Vegas: at a typical January's 49°F, a Sierra EV AT4 / Denali gets an estimated 392 miles on a charge, within 4% of its 410-mile rating. Summer is the harder season here: at July's 92°F average (highs near 104°F), air conditioning trims it to about 401 miles. Charging at home at Nevada's average rate (12.8¢/kWh) costs about $74 a month for 38 miles a day, about a third of the $351 a gas Sierra costs on the West Coast's gas. On Las Vegas's grid (WECC Southwest), 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
420mi
At Las Vegas's typical October day, 69°F · 35% highway
Winter lowEstimated
389mi
January, 49°F; Dec 18–24 at 46°F · lows near 37°F
Home chargingEstimated
$74/mo
6.4¢ a mile at 12.8¢/kWh. Gas Sierra: $351/mo
Las Vegas's grid
0.70lb CO₂/kWh
WECC Southwest (EPA eGRID): about the US average, 70% less CO₂ than gas
Las Vegas, 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 · 49°F
4% below its 410-mile rating · coldest week 389 mi
394mi
Spring Mar–May · 67°F
About its rating
418mi
Summer Jun–Aug · 89°F
About its rating
406mi
Fall Sep–Nov · 69°FNow
About its rating
415mi
A Sierra EV AT4 / Denali's range through a Las Vegas yearEstimated
Each month at Las Vegas's 30-year normal temperature, 35% highway. No day of the year averages below freezing.
How far it goes from Las Vegas, on real roads
In October, from a full charge with 10% in reserve: about 189 mi out and back, 378 mi one way (January: 353 mi). Dots are DC fast chargers by network.
Fast charging around Las Vegas
PlugLog's map of every public charger. Tesla-only Superchargers aren't counted.
- 79DC fast chargers within 25 mi
- 0.9 mito the nearest
- EVgo363 in reach
- ChargePoint272
- Tesla Supercharger266
- Electrify America153
- EVCS85
Road trips in October, about, by road: Oxnard (329 mi) and San Diego (324 mi) one way on a charge; Provo (425 mi) with one fast stop.
Questions Las Vegas drivers ask
How far can a Sierra EV AT4 / Denali go in a Las Vegas winter?
Las Vegas's winters are mild: about 392 miles on a typical January day (49°F) and about 389 in the coldest week (around December 18, 46°F), estimated from real EV drives at those temperatures. That's within 5% of its 410-mile rating. The harder season here is summer: about 401 miles in July, with the air conditioning on.
How much does it cost to charge a Sierra EV AT4 / Denali in Las Vegas?
About $74 a month at home for 38 miles a day, at Nevada's average home electricity rate of 12.8¢/kWh: about 6.4¢ a mile. A gas Sierra on the West Coast's average gas ($5.01 a gallon) costs about $351 a month for the same driving.
Can I charge a Sierra EV AT4 / Denali on a regular 120 V outlet in Las Vegas?
Not at 38 miles a day: a 120 V outlet adds only about 32 miles in 12 hours on an average day (30 in the coldest week). Plan on 240 V, which fills it from 10% in about 17 hours.
Is it greener to drive electric on Las Vegas's grid?
Yes. Las Vegas's grid (WECC Southwest) 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 Las Vegas
Sources: temperatures, 30-year normals (NOAA 1991–2020) at Las Vegas Air Terminal, NV; home electricity, EIA (Nevada, July 2026); gas, EIA weekly (the West 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.