Reality Check · San Antonio, TX
2026 Chevrolet Silverado EV Trail Boss in San Antonio, TX
Winter range, charging cost and how far it goes, worked out for San Antonio's weather, grid and prices.
Winter barely touches range in San Antonio: at a typical January's 52°F, a Silverado EV Trail Boss gets an estimated 460 miles on a charge, within 7% of its 493-mile rating. Charging at home at Texas's average rate (15.9¢/kWh) costs about $101 a month for 38 miles a day, against $247 for a gas Silverado on Texas's gas. On San Antonio'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
433mi
At San Antonio's typical October day, 71°F · 35% highway
Winter low
460mi
January, 52°F · lows near 41°F
Home chargingEstimated
$101/mo
8.7¢ a mile at 15.9¢/kWh. Gas Silverado: $247/mo
San Antonio's grid
0.73lb CO₂/kWh
ERCOT All (EPA eGRID): about the US average, 65% less CO₂ than gas
San Antonio, 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 · 54°F
7% below its 493-mile rating · coldest week 460 mi
460mi
Spring Mar–May · 70°F
11% below its rating
437mi
Summer Jun–Aug · 84°F
9% below its rating
450mi
Fall Sep–Nov · 71°FNow
11% below its rating
441mi
A Silverado EV Trail Boss's range through a San Antonio yearEstimated
Each month at San Antonio's 30-year normal temperature, 35% highway. No day of the year averages below freezing.
How far it goes from San Antonio, on real roads
In October, from a full charge with 10% in reserve: about 195 mi out and back, 390 mi one way (January: 414 mi). Dots are DC fast chargers by network.
Fast charging around San Antonio
PlugLog's map of every public charger. Tesla-only Superchargers aren't counted.
- 54DC fast chargers within 25 mi
- 2.8 mito the nearest
- Tesla Supercharger175 in reach
- EVgo174
- ChargePoint123
- EV Connect69
- Shell Recharge48
Road trips in October, about, by road: Dallas (316 mi) and McAllen (280 mi) one way on a charge; Oklahoma City (524 mi) with one fast stop.
Questions San Antonio drivers ask
How far can a Silverado EV Trail Boss go in a San Antonio winter?
San Antonio's winters are mild: about 460 miles on a typical January day (52°F) and about the same in the coldest week (around January 2, 52°F), estimated from real EV drives at those temperatures. That's within 7% of its 493-mile rating.
How much does it cost to charge a Silverado EV Trail Boss in San Antonio?
About $101 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 San Antonio?
Not at 38 miles a day: a 120 V outlet adds only about 28 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 San Antonio's grid?
Yes. San Antonio'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 San Antonio
Sources: temperatures, 30-year normals (NOAA 1991–2020) at San Antonio 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.