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2026 · SUV

Rivian R1S

R1S Quad Max (22in UHP) — 2026 Rivian R1S Quad Max (22in UHP) is a U.S.-market FuelEconomy.gov certification record. Class: Standard Sport Utility Vehicle 4WD; drive: 4-Wheel Drive; transmission: Automatic (A1). EPA combined rating: 71 MPGe.

Source verifiedVerified: 2026-08-10
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Rivian R1S model reference
Alexander Migl · CC BY-SA 4.0
2025 Rivian R1S exterior
MercurySable99 · CC BY-SA 4.0
2024 Rivian R1S exterior
Artaxerxes · CC BY-SA 4.0
Overview

What matters

2026 Rivian R1S Quad Max (22in UHP) is a U.S.-market FuelEconomy.gov certification record. Class: Standard Sport Utility Vehicle 4WD; drive: 4-Wheel Drive; transmission: Automatic (A1). EPA combined rating: 71 MPGe.

75 city / 67 highway MPGe
338 mi EPA electric range
Specifications

Powertrain & efficiency

Body styleSUV
Fuel typeBattery electric (BEV)
Drivetrain4-Wheel Drive
TransmissionAutomatic (A1)
Power—
Torque—
Engine displacement—
Cylinders—
Battery—
Driving range544 km (EPA 338 mi / 544 km (converted))
Combined economy71 mpg
0–60 mph—
Top speed—
Dimensions

Vehicle dimensions

Length—
Width—
Height—
Wheelbase—
Ground clearance—

Specifications can vary by market and configuration. AutoVero displays the exact market and trim when known.

Maintenance research

Parts for Rivian R1S

Choose a vehicle system. Exact OEM numbers and fitment appear only after verification by generation, engine, market and trim.

FiltersOil, air, cabin and fuel filtration systems.
BrakesFriction, hydraulic and electronic braking components.
CoolingEngine, battery and power-electronics thermal management.
Battery12-volt starting batteries and EV auxiliary battery references.
IgnitionSpark generation and combustion control components.
BeltsAccessory-drive and service belt systems.
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