RAM 3500 Diesel vs 2026 Chevy Silverado EV: Per-Mile Fuel Cost at $3.80/Gallon vs 13¢/kWh — 5-Year Truck Ownership Math, State by State
RAM 3500 Diesel vs 2026 Chevy Silverado EV: Per-Mile Fuel Cost at $3.80/Gallon vs 13¢/kWh — 5-Year Truck Ownership Math, State by State
A RAM 3500 diesel driver recently parked his 2023 workhorse for a few days to drive a 2026 Chevrolet Silverado EV — and the fuel savings were described as "shocking." That word gets thrown around a lot in EV coverage, so let's actually do the math. Because the real answer isn't shocking or boring. It's deeply dependent on where you live and how you charge.
Here's the specific comparison: a 2026 Chevy Silverado EV Work Truck (MSRP ~$77,500 before incentives) versus a 2023 RAM 3500 diesel (roughly $58,000 new, now worth around $45,000 used). We'll model fuel costs using Celvari's analysis of EIA gasoline and electricity price data — 3,825 gas price data points and 3,672 electricity rate data points across all 50 states — plus real-world efficiency figures adjusted from manufacturer claims.
The Per-Mile Fuel Math: Start Here
RAM 3500 diesel, real-world:
- EPA combined: 15 MPG (diesel)
- Real-world heavy-use average: ~13 MPG (based on DOE fueleconomy.gov fleet data for Class 3 trucks)
- Current national average diesel price (EIA, April 2026): $3.82/gallon
- Per-mile fuel cost: $3.82 ÷ 13 = $0.294/mile
2026 Silverado EV, real-world:
- EPA rated efficiency: ~2.55 miles/kWh
- Real-world adjustment: ~91% of EPA (consistent with Recurrent and Geotab fleet data on large-format EV trucks)
- Adjusted efficiency: ~2.32 miles/kWh
- Home charging rate (national average, EIA): $0.133/kWh
- Per-mile charging cost: $0.133 ÷ 2.32 = $0.057/mile
Fuel cost gap per mile: $0.237
At 15,000 miles per year, that's $3,555 in annual fuel savings if you're charging at home. At 20,000 miles — not unusual for a truck owner — it's $4,740/year.
That's the number that made the RAM 3500 driver's jaw drop. And it's real. But it's also the national average. Your actual number will be different, and possibly very different.
Why Your State Changes Everything
Celvari's EIA electricity price dataset covers state-level residential rates across 3,672 data points. The spread is enormous:
| State | Avg. Residential Rate (¢/kWh) | Silverado EV Per Mile | Annual Savings vs RAM 3500 (15K mi) |
|---|---|---|---|
| Louisiana | 9.1¢ | $0.039 | $3,825 |
| Texas | 12.3¢ | $0.053 | $3,615 |
| California | 29.4¢ | $0.127 | $2,505 |
| Hawaii | 38.7¢ | $0.167 | $1,905 |
| National Avg. | 13.3¢ | $0.057 | $3,555 |
Louisiana and Texas truck owners are looking at nearly $4,000/year in fuel savings. California drivers — where electricity rates have spiked dramatically — still save $2,500/year, but the math gets tighter. Hawaii is where the EV fuel advantage nearly collapses under the weight of sky-high electricity rates.
This is the single most important variable most EV articles ignore. The Electrek story about the RAM 3500 driver doesn't tell you what state he's in or what he pays per kWh. Those two numbers determine whether "shocking savings" applies to you.
This is the kind of localized analysis Celvari runs automatically — plug in your zip code and get state-specific electricity rates, not national averages.
The Full 5-Year TCO: It's Not Just Fuel
Fuel is the headline, but a complete ownership comparison has to include the purchase price gap, maintenance, and any incentives. Let's build it for a Texas driver at 15,000 miles/year.
Purchase price comparison (Texas, 2026):
| Item | RAM 3500 Diesel (2023, used) | 2026 Silverado EV WT |
|---|---|---|
| Vehicle price | $45,000 | $77,500 |
| Federal tax credit | $0 | $7,500 (if income-eligible) |
| Texas state incentive | $0 | $0 (Texas has no state EV rebate) |
| Net cost | $45,000 | $70,000 |
| Price gap | $25,000 |
5-Year running costs (Texas, 12.3¢/kWh, $3.82 diesel):
| Cost Category | RAM 3500 Diesel | Silverado EV | Notes |
|---|---|---|---|
| Fuel (5 yrs × 15K mi) | $22,050 | $4,838 | EIA rates applied |
| Oil/fluid changes | $2,400 | $0 | Diesel: ~$300/service × 8 |
| DEF fluid | $750 | $0 | ~$150/year |
| Brake service | $1,200 | $400 | Regen braking reduces EV wear |
| Other maintenance | $2,500 | $1,200 | AAA 2025 cost data |
| 5-yr running total | $28,900 | $6,438 | |
| Running cost savings (EV) | $22,462 |
So the Silverado EV saves $22,462 in running costs over 5 years in Texas — but costs $25,000 more upfront (after the $7,500 credit). Net 5-year disadvantage for the Silverado EV: ~$2,538.
Extend to 7 years, and the Silverado EV pulls ahead by approximately $8,000 before accounting for depreciation.
For a deeper dive into how incentive stacking can shift this math further, see our breakdown of which 2026 EVs qualify for the full $7,500 tax credit and how to stack state rebates for $12,500+ in total savings.
The Charging Setup Problem: This Math Only Works If You Charge at Home
Everything above assumes home charging at residential electricity rates. If you're a truck owner living in an apartment, or charging primarily at DC fast chargers on the road, the economics shift materially.
DC fast charging rates for the Silverado EV average $0.35–$0.48/kWh at public stations (based on Celvari's DOE AFDC station dataset, which covers 51 charging network pricing data points). At $0.42/kWh:
- Silverado EV per mile: $0.42 ÷ 2.32 = $0.181/mile
- Annual fuel cost at 15,000 miles: $2,715 (vs. $4,838 at home)
- Annual savings vs. RAM 3500: $735/year
At that rate, the Silverado EV's $25,000 purchase premium takes 34 years to recover on fuel alone. That is not a typo. DC fast charging at public stations essentially eliminates the economic case for this particular comparison.
If you're curious how your charging setup changes the math more broadly, we've modeled exactly this scenario in our post on how home vs. DC fast charging changes the Chevy Equinox EV's 5-year cost by $6,700 — the principle applies across any EV.
Battery Degradation: The Long Haul Variable for Truck Owners
Truck buyers think in terms of 200,000+ mile lifespans. That changes the EV calculus significantly.
Based on Recurrent's real-world degradation data and Celvari's ev_defaults dataset (sourced from DOE GREET/AFLEET modeling), large-format EV batteries like the Silverado's 200-mile pack degrade at approximately:
- Year 3: ~94% usable capacity remaining
- Year 5: ~91% remaining
- Year 8: ~85% remaining
- Year 10: ~80–82% remaining (real-world median, per Geotab fleet data)
For a work truck owner doing 15,000–20,000 miles/year in Texas heat, that 80% threshold arrives closer to year 8 than year 10. At that point, the original 350-mile range (real-world adjusted from EPA) shrinks to roughly 280 miles — still workable for most daily use, but relevant if you're doing consecutive long hauls.
The RAM 3500 diesel, by contrast, has a well-documented engine longevity profile — 300,000+ miles is common with proper maintenance. That asymmetry matters for commercial and semi-commercial truck buyers. Battery replacement cost for the Silverado's pack is estimated at $12,000–$18,000 outside of warranty, per current pricing from Celvari's maintenance cost dataset.
We covered this degradation math in depth for a different platform in our post on EV battery degradation after 100,000 miles — the degradation curves there are directly applicable to any large-format EV battery.
You can model your specific mileage and climate zone against real degradation curves at Celvari — it's the variable most comparison tools leave out entirely.
Where Electricity Prices Are Headed: The Offshore Wind Factor
One underappreciated angle in the fuel cost comparison: electricity prices aren't static, and what's happening in energy markets right now matters for the 5-year and 10-year math.
Five US East Coast offshore wind projects recently cleared a critical legal hurdle — the Trump administration missed the final deadline to appeal court rulings that allow construction to continue. These projects, when completed, will add substantial grid capacity in the Northeast, where residential electricity prices currently average 19.8¢/kWh — among the highest in the country.
More grid supply from wind and solar has historically exerted downward pressure on wholesale electricity prices in regions where those resources become dominant (see: Texas ERCOT wholesale trends from 2020–2024). If you're modeling a 10-year EV ownership scenario in New England or the Mid-Atlantic, your Year 8–10 electricity costs may be materially lower than today's rates. That's a tailwind for EV economics that doesn't show up in most static comparisons.
Celvari's EIA electricity price dataset tracks these trends quarterly — it's one reason we recommend running the numbers annually, not just at purchase time.
The Fleet Signal: What Volvo's Electric Haul Trucks Tell You
Volvo has just begun series production of its A30 Electric and A40 Electric articulated haul trucks — the first commercial-scale electric haulers of that size to move from pilot into regular production. These aren't concept vehicles. They're going into mining and construction fleets.
Why does this matter to a personal truck buyer? Because fleet operators are the most ruthless TCO calculators on the planet. They don't buy vehicles on hype. When companies running hundred-unit fleets of 30- and 40-ton haul trucks conclude that electric drivetrains pencil out, it's a data point worth noting. According to Celvari's analysis of DOE AFLEET fleet modeling data, the per-mile energy cost advantage of electric powertrains in heavy-duty applications is 2.1x to 4.8x depending on diesel price environment — consistent across vehicle classes.
The RAM 3500 driver's real-world experience wasn't a fluke. It was a personal-scale version of exactly what fleet operators are now acting on at industrial scale.
Run Your Numbers Before You Decide
The RAM 3500-to-Silverado EV switch is genuinely compelling in Louisiana, Texas, the Southeast, and parts of the Midwest — places where diesel is expensive, electricity is cheap, and home charging is accessible. It's a much tighter call in California, where electricity rates have decoupled from the national average. And it simply doesn't work economically if you're relying on public DC fast charging as your primary energy source.
The honest summary for a Texas driver at 15,000 miles/year:
- Home charger, 7-year ownership: Silverado EV wins by ~$8,000
- Home charger, 5-year ownership: RAM 3500 wins by ~$2,500
- Public DC fast charging only: RAM 3500 wins decisively at any timeline
Your zip code, your annual miles, and your charging situation will produce a completely different set of numbers. The Electrek headline isn't wrong — the fuel savings are real. But "shocking" depends on your electricity bill.
Celvari pulls your state's actual EIA electricity rates, models real-world charging behavior, and runs the full 5-year and 10-year TCO comparison for your specific situation — so the math you're making a $77,500 decision on is yours, not a national average.
Sources
- RAM 3500 driver switches to a Silverado EV, and the fuel savings are SHOCKING — Electrek
- It begins: electric articulated haul trucks reach series production [video] — Electrek
- Tesla gets FSD Supervised approved in the Netherlands — here’s what it means — Electrek
- 5 offshore wind farms move ahead after Trump admin misses appeal deadline [update] — Electrek
- Electric, diesel, or CNG? MOOG tech lets you pick all of the above, on just ONE machine! — Electrek