Kia EV9 vs Rivian R1S

Quick verdict

Buy the Rivian R1S for the stronger all-round Decoder Score (73/100). Choose the Kia EV9 if price is your priority.

EV9 detailsR1S details
72
Kia EV9
Estimated
73
Rivian R1S
Estimated
Decoder Score7273
Starting price$56,000$75,000
Used from$42,000$55,000
EPA range304 mi321 mi
Real-world range249 mi263 mi
Battery99 kWh135 kWh
Efficiency2.9 mi/kWh2.1 mi/kWh
DC fast charge210 kW220 kW
Level 2 charge11 kW11 kW
Seats77
Cargo82 cu ft100 cu ft
0–60 mph5s3.5s
Horsepower379 hp600 hp
DrivetrainAWDAWD
Towing5,000 lb7,700 lb
Battery warranty8 yr8 yr
Tax creditMay qualifyNo
Owner rating4.6/54.6/5
Best forFamilyFamily, Performance

Price

The Kia EV9 starts lower at $56,000, versus $75,000 for the other. On the used market both have come down — check current listings before deciding.

Range

The Rivian R1S leads on EPA range at 321 mi. In the real world both land around 82% of that in mixed driving — run your conditions through the range calculator.

Charging

The Rivian R1S peaks higher at 220 kW, which shortens road-trip stops. Also check plug type: NACS access to the Supercharger network can matter more than a few kW.

Interior & practicality

The Rivian R1S offers more cargo room (100 cu ft). Consider seating layout and rear space too, not just the headline number.

Performance

The Rivian R1S is quicker to 60 mph (3.5s). Both feel brisk in everyday driving thanks to instant electric torque.

Family use

With 7 seats, the Kia EV9 suits larger families better. Factor in car-seat access and cargo behind the third row if fitted.

Road trip use

Road trips reward range plus fast charging. The Rivian R1S scores higher on our road-trip metric.

Used buyer notes

Both depreciate; that's the used buyer's opportunity. Check battery health, any open recalls, and that the charging port matches the network you'll use. See the used EV buying guide for a full checklist.

Which one should you buy?

Rivian R1S, for most people.

Run the numbers for your own driving with the calculators, then compare more EVs in the same class.

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