Xiaomi SU7 Ultra vs Denza Z9 GT: Which EV is better?
Head-to-head: Xiaomi SU7 Ultra vs Denza Z9 GT. Compare real range, efficiency, charging time, price, rating and running costs to find the best electric vehicle for you in 2026.
Our verdict
Denza Z9 GT wins this head-to-head
It wins 4 of 8 categories compared below, with a margin of 1 category wins.
The numbers that matter
Real, comparable stats from our database. The green value wins each category.
| Specification | SU7 Ultra | Z9 GT |
|---|---|---|
| Range Z9 GT wins | 630 km | 640 km |
| Battery Z9 GT wins | 93.7 kWh | 100 kWh |
| Efficiency SU7 Ultra wins | 16.4 kWh/100km | 17 kWh/100km |
| 0-100 km/h SU7 Ultra wins | 1.98 s | 3.4 s |
| Fast charge 10-80% Z9 GT wins | ~25 min | ~24 min |
| Seats tie | 5 | 5 |
| Price Z9 GT wins | $82,400 | $72,000 |
| Rating SU7 Ultra wins | 4.8 / 5 | 4.6 / 5 |
| Est. running cost / yr | $369/yr | $383/yr |
View the full specification sheet
| Specification | SU7 Ultra | Z9 GT |
|---|---|---|
| Battery | 93.7 kWh | 100 kWh |
| Range | 630 km (CLTC) | 640 km (CLTC) |
| Top speed | 350 km/h | 230 km/h |
| Power | Tri-motor AWD · 1,548 hp | AWD · 952 hp |
| 0-100 km/h | 1.98 s | 3.4 s |
| Charging (10-80%) | ~25 min (800V) | ~24 min (800V) |
| Drive | Tri-motor AWD | Dual motor AWD |
| Efficiency | 16.4 kWh/100 km | 17.0 kWh/100 km |
| Seats | 5 | 5 |
| Cargo | 480 L | 600 L |
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
Denza Z9 GT
Pros
- Stunning design
- Huge power
- Luxury cabin
- Practical estate boot
Cons
- Premium price
- Heavy
- Young brand
- Limited service network
Frequently asked questions
Is the Denza Z9 GT really better than Xiaomi SU7 Ultra?
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, Xiaomi SU7 Ultra or Denza Z9 GT?
630 km vs 640 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 $369/yr for the Xiaomi SU7 Ultra and $383/yr for the Denza Z9 GT.
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?
Add these models to our interactive comparator and compare every spec side by side, or take the quiz to find even more matches.