Rivian R1S vs Xiaomi SU7 Ultra: Which EV is better?
Head-to-head: Rivian R1S vs Xiaomi SU7 Ultra. Compare real range, efficiency, charging time, price, rating and running costs to find the best electric vehicle for you in 2026.
Our verdict
Xiaomi SU7 Ultra wins this head-to-head
It wins 5 of 8 categories compared below, with a margin of 2 category wins.
The numbers that matter
Real, comparable stats from our database. The green value wins each category.
| Specification | R1S | SU7 Ultra |
|---|---|---|
| Range SU7 Ultra wins | 507 km | 630 km |
| Battery R1S wins | 135 kWh | 93.7 kWh |
| Efficiency SU7 Ultra wins | 23.9 kWh/100km | 16.4 kWh/100km |
| 0-100 km/h SU7 Ultra wins | 3.1 s | 1.98 s |
| Fast charge 10-80% SU7 Ultra wins | ~40 min | ~25 min |
| Seats R1S wins | 7 | 5 |
| Price R1S wins | $78,000 | $82,400 |
| Rating SU7 Ultra wins | 4.6 / 5 | 4.8 / 5 |
| Est. running cost / yr | $538/yr | $369/yr |
View the full specification sheet
| Specification | R1S | SU7 Ultra |
|---|---|---|
| Battery | 135 kWh (large pack) | 93.7 kWh |
| Range | 315 mi (EPA) | 630 km (CLTC) |
| Top speed | 115 mph | 350 km/h |
| Power | AWD · 835 hp | Tri-motor AWD · 1,548 hp |
| 0-60 mph | 3.1 s | — |
| Charging (10-80%) | ~40 min (300kW) | ~25 min (800V) |
| Drive | Quad motor AWD | Tri-motor AWD |
| Efficiency | 2.6 mi/kWh | 16.4 kWh/100 km |
| Seats | 7 | 5 |
| Cargo | 104 cu ft | 480 L |
| V2L | Yes | — |
| 0-100 km/h | — | 1.98 s |
Rivian R1S
Pros
- Insane performance
- Luxury interior
- Class-leading off-road
- 7 seats
Cons
- Very expensive
- Heavy
- Charging network still growing
- Service network limited
Xiaomi SU7 Ultra
Pros
- Ridiculous performance
- Track-ready hardware
- Practical cabin
- Very fast charging
Cons
- Very expensive
- Tri-motor drains power
- Young brand
- Tight rear headroom
Frequently asked questions
Is the Xiaomi SU7 Ultra really better than Rivian R1S?
Our verdict is based on real specs: range, battery, efficiency, acceleration, charging speed, seats, price and rating. The winner wins the majority of those categories, but the right choice depends on your budget, driving style and priorities.
Which has more range, Rivian R1S or Xiaomi SU7 Ultra?
507 km vs 630 km respectively, before factoring in weather and driving conditions.
Which is cheaper to run?
Based on official efficiency and a typical $0.15/kWh tariff at 15,000 km per year, running costs are estimated at $538/yr for the Rivian R1S and $369/yr for the Xiaomi SU7 Ultra.
Should I compare more models?
Yes - add both models to our interactive comparator to see every spec side by side, or use the Which EV quiz to find more models that fit your budget and lifestyle.
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