Reality Check · Charleston, SC
2026 Chevrolet Silverado EV Trail Boss in Charleston, SC
Winter range, charging cost and how far it goes, worked out for Charleston's weather, grid and prices.
Winter barely touches range in Charleston: at a typical January's 51°F, a Silverado EV Trail Boss gets an estimated 459 miles on a charge, within 7% of its 493-mile rating. Charging at home at South Carolina's average rate (15.8¢/kWh) costs about $100 a month for 38 miles a day, against $261 for a gas Silverado on the Lower Atlantic's gas. And Charleston's grid (SERC Virginia/Carolina), 23% cleaner than the US average, makes it 72% 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
437mi
At Charleston's typical October day, 69°F · 35% highway
Winter low
459mi
January, 51°F · lows near 43°F
Home chargingEstimated
$100/mo
8.6¢ a mile at 15.8¢/kWh. Gas Silverado: $261/mo
Charleston's grid
0.59lb CO₂/kWh
SERC Virginia/Carolina (EPA eGRID): 23% cleaner than the US, 72% less CO₂ than gas
Charleston, 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 · 53°F
7% below its 493-mile rating · coldest week 459 mi
460mi
Spring Mar–May · 66°F
10% below its rating
445mi
Summer Jun–Aug · 81°F
12% below its rating
436mi
Fall Sep–Nov · 69°FNow
11% below its rating
439mi
A Silverado EV Trail Boss's range through a Charleston yearEstimated
Each month at Charleston's 30-year normal temperature, 35% highway. No day of the year averages below freezing.
How far it goes from Charleston, on real roads
In October, from a full charge with 10% in reserve: about 197 mi out and back, 393 mi one way (January: 414 mi). Dots are DC fast chargers by network.
Fast charging around Charleston
PlugLog's map of every public charger. Tesla-only Superchargers aren't counted.
- 26DC fast chargers within 25 mi
- 3.7 mito the nearest
- ChargePoint346 in reach
- Tesla Supercharger260
- EVgo179
- EV Connect136
- Electrify America71
Road trips in October, about, by road: Knoxville (392 mi) and Deltona (351 mi) one way on a charge.
Questions Charleston drivers ask
How far can a Silverado EV Trail Boss go in a Charleston winter?
Charleston's winters are mild: about 459 miles on a typical January day (51°F) and about the same in the coldest week (around January 15, 51°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 Charleston?
About $100 a month at home for 38 miles a day, at South Carolina's average home electricity rate of 15.8¢/kWh: about 8.6¢ a mile. A gas Silverado on the Lower Atlantic's average gas ($3.83 a gallon) costs about $261 a month for the same driving.
Can I charge a Silverado EV Trail Boss on a regular 120 V outlet in Charleston?
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 Charleston's grid?
Yes, more than most places. Charleston's grid (SERC Virginia/Carolina) is 23% cleaner than the US average, so a Silverado EV Trail Boss charged on it makes 72% 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 Charleston
Sources: temperatures, 30-year normals (NOAA 1991–2020) at Charleston City, SC; home electricity, EIA (South Carolina, August 2026); gas, EIA weekly (the Lower Atlantic); 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.