2023 head-to-head · Midsize & Large SUV
2023 Mercedes-Benz EQS vs Rivian R1S
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2023 Mercedes-Benz EQS is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity, it costs about $837 a year to fuel (103 MPGe), versus $1,166 for the 2023 Rivian R1S (78 MPGe). That's roughly $329 a year, or about $1,647 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- Mercedes-Benz EQS
- Rivian R1S
Side by side
| Mercedes-Benz EQS | Rivian R1S | |
|---|---|---|
| $837 | Your annual fuel cost | $1,166 |
| 103 MPGe | Combined efficiency | 78 MPGe |
| 101 MPGe | City | 82 MPGe |
| 105 MPGe | Highway | 74 MPGe |
| 31 kWh | Electricity use (kWh/100 mi) | 43.2 kWh |
| 340 mi | Driving range | 352 mi |
| 103 cu ft | Passenger volume | — |
| 35 cu ft | Cargo volume | — |
| 0 g/mi | Tailpipe CO₂ (g/mi) | 0 g/mi |
| 10/10 | EPA fuel economy score | 10/10 |
| 10/10 | EPA greenhouse gas score | 10/10 |
| 12.5 hrs | Charge time at 240V | 13 hrs |
| Electric | Powertrain | Electric |
| Electricity | Fuel | Electricity |
| Electric motor | Engine / motor | Electric motor (418 kW) |
| Single-speed | Transmission | Single-speed |
| AWD | Drivetrain | Part-time 4WD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
Mercedes-Benz EQS vs Rivian R1S across model years
- Mercedes-Benz EQS
- Rivian R1S
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
The Rivian R1S goes farther between stops: about 352 miles on a charge, compared with 340 miles for the Mercedes-Benz EQS.
Among 73 2023 midsize & large SUVs, the Mercedes-Benz EQS ranks 1st and the Rivian R1S 7th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2023 Mercedes-Benz EQS or the 2023 Rivian R1S?
Measured by cost to drive, the Mercedes-Benz EQS. The Mercedes-Benz EQS is rated 103 MPGe combined and the Rivian R1S 78 MPGe (EPA, most efficient configuration of each).
How much does it cost to fuel the 2023 Mercedes-Benz EQS vs. the Rivian R1S per year?
At 15,000 miles a year with 18¢/kWh electricity, about $837 for the Mercedes-Benz EQS and $1,166 for the Rivian R1S.
Which has more range?
The Rivian R1S: about 352 miles versus 340 miles.
Mercedes-Benz EQS vs Rivian R1S in other years
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