Mercedes-Benz Mercedes-Benz EQS 450+ SUV vs Xiaomi SU7 Ultra: Which EV is better?
Head-to-head: Mercedes-Benz Mercedes-Benz EQS 450+ SUV 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 3 category wins.
The numbers that matter
Real, comparable stats from our database. The green value wins each category.
| Specification | Mercedes-Benz EQS 450+ SUV | SU7 Ultra |
|---|---|---|
| Range Mercedes-Benz EQS 450+ SUV wins | 643 km | 630 km |
| Battery Mercedes-Benz EQS 450+ SUV wins | 118 kWh | 93.7 kWh |
| Efficiency SU7 Ultra wins | 18.4 kWh/100km | 16.4 kWh/100km |
| 0-100 km/h SU7 Ultra wins | 6.5 s | 1.98 s |
| Fast charge 10-80% SU7 Ultra wins | ~31 min | ~25 min |
| Seats tie | 5 | 5 |
| Price SU7 Ultra wins | $104,400 | $82,400 |
| Rating SU7 Ultra wins | 4.4 / 5 | 4.8 / 5 |
| Est. running cost / yr | $414/yr | $369/yr |
View the full specification sheet
| Specification | Mercedes-Benz EQS 450+ SUV | SU7 Ultra |
|---|---|---|
| Battery | 118.0 kWh usable | 93.7 kWh |
| Range | 339 miles (EPA) / 643 km (WLTP) | 630 km (CLTC) |
| DC Fast Charging | 200 kW peak, 10-80% in 31 min | — |
| Motor | Single motor RWD | — |
| Power | 355 hp / 265 kW | Tri-motor AWD · 1,548 hp |
| Torque | 419 lb-ft / 568 Nm | — |
| 0-60 mph | 6.5 seconds | — |
| Top Speed | 130 mph / 210 km/h | — |
| Cargo | 23.0 cu ft / 651 liters | 480 L |
| Curb Weight | 6,206 lbs / 2,815 kg | — |
| Towing | 3,500 lbs | — |
| Warranty | 8 years / 100,000 miles battery, 4 years / 50,000 miles vehicle | — |
| Top speed | — | 350 km/h |
| 0-100 km/h | — | 1.98 s |
| Charging (10-80%) | — | ~25 min (800V) |
| Drive | — | Tri-motor AWD |
| Efficiency | — | 16.4 kWh/100 km |
| Seats | — | 5 |
Mercedes-Benz Mercedes-Benz EQS 450+ SUV
Pros
- Impressive 339-mile EPA estimated range from the upgraded 118.0 kWh battery pack.
- Standard 10-degree rear-axle steering reduces turning circle to just 36.0 feet.
- Ultra-quiet interior cabin registers a whisper-quiet 62 dBA at 70 mph.
- Massive 56-inch MBUX Hyperscreen spans across 3 distinct high-resolution displays.
Cons
- Hefty curb weight of 6,206 lbs dulls high-speed cornering agility.
- Third-row legroom of 32.0 inches is cramped for passengers over 5 feet 8 inches tall.
- Starting MSRP of $104,400 commands a $24,410 premium over a Tesla Model X.
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 Mercedes-Benz Mercedes-Benz EQS 450+ SUV?
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, Mercedes-Benz Mercedes-Benz EQS 450+ SUV or Xiaomi SU7 Ultra?
643 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 $414/yr for the Mercedes-Benz Mercedes-Benz EQS 450+ SUV 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?
Add these models to our interactive comparator and compare every spec side by side, or take the quiz to find even more matches.