Reality Check · McAllen, TX
2026 Chevrolet Silverado EV Trail Boss in McAllen, TX
Winter range, charging cost and how far it goes, worked out for McAllen's weather, grid and prices.
Winter barely touches range in McAllen: at a typical January's 63°F, a Silverado EV Trail Boss gets an estimated 453 miles on a charge, within 8% of its 493-mile rating. Summer is the harder season here: at August's 89°F average (highs near 100°F), air conditioning trims it to about 471 miles. Charging at home at Texas's average rate (15.9¢/kWh) costs about $100 a month for 38 miles a day, against $247 for a gas Silverado on Texas's gas. On McAllen's grid (ERCOT All), about the US average, it makes 65% 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
428mi
At McAllen's typical October day, 79°F · 35% highway
Winter low
453mi
January, 63°F · lows near 52°F
Home chargingEstimated
$100/mo
8.7¢ a mile at 15.9¢/kWh. Gas Silverado: $247/mo
McAllen's grid
0.73lb CO₂/kWh
ERCOT All (EPA eGRID): about the US average, 65% less CO₂ than gas
McAllen, 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 · 65°F
9% below its 493-mile rating · coldest week 454 mi
448mi
Spring Mar–May · 78°F
12% below its rating
434mi
Summer Jun–Aug · 89°F
5% below its rating
468mi
Fall Sep–Nov · 78°FNow
11% below its rating
439mi
A Silverado EV Trail Boss's range through a McAllen yearEstimated
Each month at McAllen's 30-year normal temperature, 35% highway. No day of the year averages below freezing.
How far it goes from McAllen, on real roads
In October, from a full charge with 10% in reserve: about 193 mi out and back, 385 mi one way (January: 407 mi). Dots are DC fast chargers by network.
Fast charging around McAllen
PlugLog's map of every public charger. Tesla-only Superchargers aren't counted.
- 10DC fast chargers within 25 mi
- 2.5 mito the nearest
- EVgo89 in reach
- Tesla Supercharger83
- ChargePoint82
- Shell Recharge37
- Graviti Energy34
Road trips in October, about, by road: Houston (377 mi) and Austin (354 mi) one way on a charge; Dallas (578 mi) with one fast stop.
Questions McAllen drivers ask
How far can a Silverado EV Trail Boss go in a McAllen winter?
McAllen's winters are mild: about 453 miles on a typical January day (63°F) and about the same in the coldest week (around January 2, 62°F), estimated from real EV drives at those temperatures. That's within 8% of its 493-mile rating. The harder season here is summer: about 471 miles in August, with the air conditioning on.
How much does it cost to charge a Silverado EV Trail Boss in McAllen?
About $100 a month at home for 38 miles a day, at Texas's average home electricity rate of 15.9¢/kWh: about 8.7¢ a mile. A gas Silverado on Texas's average gas ($3.63 a gallon) costs about $247 a month for the same driving.
Can I charge a Silverado EV Trail Boss on a regular 120 V outlet in McAllen?
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 McAllen's grid?
Yes. McAllen's grid (ERCOT All) is about the US average, and a Silverado EV Trail Boss charged on it makes 65% 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 McAllen
Sources: temperatures, 30-year normals (NOAA 1991–2020) at Mcallen Miller International Airport, TX; home electricity, EIA (Texas, August 2026); gas, EIA weekly (Texas); 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.