MPGe is the distance a car covers on 33.7 kWh, the energy in a gallon of gasoline. Across 5 EPA ratings of the R1T since 2022 it has averaged 81.2 MPGe, and the 2026 model trails the 99.7 MPGe average of other electric cars rated 2024–2026. The EPA's own annual figure for it is $930.
Every Rivian R1T version, compared
The Rivian R1T was rated in a single specification, so its consumption does not vary by version — only by model year. Yearly cost assumes 12,000 miles at $0.17 a kilowatt-hour.
| Version | Combined MPGe | City / Highway | Years | Charging per year |
|---|---|---|---|---|
| Electric | 86.6 / 75.4 | 2022–2026 | $847 |
What that actually costs
Against its rivals in the same model years, the GMC Sierra is rated 66 MPGe, the Tesla Cybertruck 80.5 MPGe and the Chevrolet SS 85 MPGe, next to 87 MPGe for the 2026 R1T. The R1T is the cheapest of them to run: $253 a year less than the GMC Sierra.
| Measure | Value |
|---|---|
| Energy use (2026) | 38.7 kWh per 100 miles |
| Cost per mile | $0.066 |
| Charging per year | $789 |
| Charging over five years | $3,945 |
| Against other Electric cars, 2024–2026 | +$99 a year |
| EPA's own estimate | $930 a year |
City or highway — who is this car for
The 2026 Rivian R1T does better in town than out of it: 93 in the city against 80 on the highway, $121 a year in favor of city driving.
| Measure | Value | Reading |
|---|---|---|
| City (2026) | 93 MPGe | $738 a year if you only drive in town |
| Highway | 80 MPGe | $859 a year if you mostly commute |
| Gap | -13 MPGe (-14%) | Reversed — it does better in town than on the open road |
How the R1T changed over the years
The R1T peaked in 2026 at 87 MPGe (93 city, 80 highway) and was at its thirstiest in 2022 at 70 — 17 MPGe apart, or $192 a year in charging between buying one year and the other. The biggest single-year change came in 2023: 70 to 78 MPGe.
| Model year | Combined MPGe | City / Highway | Versions offered | Charging per year |
|---|---|---|---|---|
| 2026 | 93 / 80 | 1 | $789 | |
| 2025 | 93 / 80 | 1 | $789 | |
| 2024 | 91 / 77 | 1 | $818 | |
| 2023 | 82 / 74 | 1 | $881 | |
| 2022 | 74 / 66 | 1 | $981 |
MPG is a number. Dollars per year is the answer.
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How we count
This page rests on 5 EPA ratings of the Rivian R1T — 1 engine across 2022–2026. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $0.17 a kilowatt-hour, against EPA's own estimate of $930. Full method.
Frequently asked questions
What is the 2026 Rivian R1T rated at?
87 MPGe combined, 93 city and 80 highway, per EPA. Across every year since 2022 the R1T has averaged 81.2 MPGe.
Is the 2026 R1T more efficient than the 2025?
About the same: 87 against 87 MPGe combined.
Which R1T year has the best efficiency?
The 2026, at 87 MPGe combined (93 city, 80 highway), which is also the latest model year we hold.
Does the R1T get better efficiency than the GMC Sierra?
Yes: 87 MPGe for the 2026 R1T against 66 for the 2026 GMC Sierra, about $253 a year less to run.
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