Reality Check · Phoenix, AZ
2026 Chevrolet Silverado EV Trail Boss in Phoenix, AZ
Winter range, charging cost and how far it goes, worked out for Phoenix's weather, grid and prices.
Winter barely touches range in Phoenix: at a typical January's 55°F, a Silverado EV Trail Boss gets an estimated 460 miles on a charge, within 7% of its 493-mile rating. Summer is the harder season here: at July's 92°F average (highs near 104°F), air conditioning trims it to about 484 miles. Charging at home at Arizona's average rate (15.0¢/kWh) costs about $94 a month for 38 miles a day, about a third of the $331 a gas Silverado costs on the West Coast's gas. On Phoenix's grid (WECC Southwest), about the US average, it makes 67% less CO₂ than gas.
Partly estimated. 2 of 5 temperature bands are from 117 real drives of this model; the rest come from 2,178 real drives in EVs at each temperature (and Recurrent's winter study below freezing), applied to its 493-mile rating. Each band switches to its own drives once it has 20 from 3 drivers.
October range
425mi
At Phoenix's typical October day, 75°F · 35% highway
Winter low
460mi
January, 55°F · lows near 42°F
Home chargingEstimated
$94/mo
8.1¢ a mile at 15.0¢/kWh. Gas Silverado: $331/mo
Phoenix's grid
0.70lb CO₂/kWh
WECC Southwest (EPA eGRID): about the US average, 67% less CO₂ than gas
Phoenix, season by seasonEstimated
A Silverado EV Trail Boss's range on a full charge, averaged over each season's months (30-year normal temperatures), at 35% highway.
Winter Dec–Feb · 55°F
7% below its 493-mile rating · coldest week 460 mi
461mi
Spring Mar–May · 70°F
11% below its rating
438mi
Summer Jun–Aug · 90°F
4% below its rating
475mi
Fall Sep–Nov · 74°FNow
10% below its rating
445mi
A Silverado EV Trail Boss's range through a Phoenix yearEstimated
Each month at Phoenix's 30-year normal temperature, 35% highway. No day of the year averages below freezing.
How far it goes from Phoenix, on real roads
In October, from a full charge with 10% in reserve: about 191 mi out and back, 383 mi one way (January: 414 mi). Dots are DC fast chargers by network.
Fast charging around Phoenix
PlugLog's map of every public charger. Tesla-only Superchargers aren't counted.
- 94DC fast chargers within 25 mi
- 2.2 mito the nearest
- EVgo337 in reach
- ChargePoint303
- Tesla Supercharger267
- Electrify America157
- EVCS68
Road trips in October, about, by road: Riverside (382 mi) and San Diego (370 mi) one way on a charge; Albuquerque (410 mi) with one fast stop.
Questions Phoenix drivers ask
How far can a Silverado EV Trail Boss go in a Phoenix winter?
Phoenix's winters are mild: about 460 miles on a typical January day (55°F) and about the same in the coldest week (around December 17, 53°F), estimated from real EV drives at those temperatures. That's within 7% of its 493-mile rating. The harder season here is summer: about 484 miles in July, with the air conditioning on.
How much does it cost to charge a Silverado EV Trail Boss in Phoenix?
About $94 a month at home for 38 miles a day, at Arizona's average home electricity rate of 15.0¢/kWh: about 8.1¢ a mile. A gas Silverado on the West Coast's average gas ($4.87 a gallon) costs about $331 a month for the same driving.
Can I charge a Silverado EV Trail Boss on a regular 120 V outlet in Phoenix?
Not at 38 miles a day: a 120 V outlet adds only about 27 miles in 12 hours on an average day (29 in the coldest week). Plan on 240 V, which fills it from 10% in about 12 hours.
Is it greener to drive electric on Phoenix's grid?
Yes. Phoenix's grid (WECC Southwest) is about the US average, and a Silverado EV Trail Boss charged on it makes 67% less CO₂ than a gas Silverado.
Check it for your own address
Your street, your daily miles, any temperature on the knob.
Silverado EV Trail Boss Reality Check near Phoenix
Sources: temperatures, 30-year normals (NOAA 1991–2020) at Phoenix Deer Valley Muni Airport, AZ; home electricity, EIA (Arizona, August 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 29, 2026.