Cadillac Optiq vs Xiaomi SU7 Ultra: Which EV is better?
Head-to-head: Cadillac Optiq 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 6 of 8 categories compared below, with a margin of 5 category wins.
The numbers that matter
Real, comparable stats from our database. The green value wins each category.
| Specification | Optiq | SU7 Ultra |
|---|---|---|
| Range SU7 Ultra wins | 480 km | 630 km |
| Battery SU7 Ultra wins | 85 kWh | 93.7 kWh |
| Efficiency SU7 Ultra wins | 19.4 kWh/100km | 16.4 kWh/100km |
| 0-100 km/h SU7 Ultra wins | 5.8 s | 1.98 s |
| Fast charge 10-80% SU7 Ultra wins | ~35 min | ~25 min |
| Seats tie | 5 | 5 |
| Price Optiq wins | $55,000 | $82,400 |
| Rating SU7 Ultra wins | 4.2 / 5 | 4.8 / 5 |
| Est. running cost / yr | $437/yr | $369/yr |
View the full specification sheet
| Specification | Optiq | SU7 Ultra |
|---|---|---|
| Battery | 85 kWh | 93.7 kWh |
| Range | 480 km (EPA est.) | 630 km (CLTC) |
| Top speed | 118 mph | 350 km/h |
| Power | AWD · 340 hp | Tri-motor AWD · 1,548 hp |
| 0-60 mph | 5.8 s | — |
| Charging (10-80%) | ~35 min (175kW) | ~25 min (800V) |
| Drive | Dual motor AWD | Tri-motor AWD |
| Efficiency | 3.2 mi/kWh | 16.4 kWh/100 km |
| Seats | 5 | 5 |
| Cargo | 58 cu ft | 480 L |
| 0-100 km/h | — | 1.98 s |
Cadillac Optiq
Pros
- Luxury at a fairer price
- Good range
- AWD standard
- Big screens
Cons
- No spare tire
- Average charging speed
- Firm ride
- Boot smaller than rivals
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 Cadillac Optiq?
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, Cadillac Optiq or Xiaomi SU7 Ultra?
480 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 $437/yr for the Cadillac Optiq 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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Not sure which one is right for you?
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