BYD Great Tang EV (大唐) vs XPeng G9
The BYD Great Tang EV (大唐) leads on fast-charge peak. The XPeng G9 leads on cargo space.
SUV
2026 800KM · name as listed in Chinese
No US price yet
94/100#2 of 421 · Everyday
SUV
2025 G9 625 Long Range Max
1 of 9 versions
China · checked Sep 18, 2026 · xiaopeng.com
95/100#1 of 421 · Everyday
Who's ahead - and by how much?
Great Tang EV (大唐)BYD Great Tang EV (大唐)G9XPeng G9
- Range
Different test cycles - not compared.
- Fast-charge peak- best on this row+155 kW· 35%
- Cargo space- best on this row+10.2 cu ft· 63%
- Top speed- best on this row+25 mph· 20%
- Torque- best on this row+74 lb-ft· 27%
- Front trunk- best on this row+6.4 cu ft· 255%
Every spec side by side
| Spec | BYD Great Tang EV (大唐) | XPeng G9 |
|---|---|---|
| Range and efficiency | ||
| Range (WLTP) | no data | |
| Range (CLTC) | no data | |
| Efficiency lower is better | ||
| Battery | ||
| Charging | ||
| Fast-charge peak | - best on this row | |
| 10–80% charge lower is better | no data | |
| AC charging | no data | version: RWD Long Range |
| DC port | no data | |
| Performance | ||
| 0–62 mph lower is better | ||
| Power | ||
| Torque | - best on this row | |
| Top speed | - best on this row | |
| Drive | ||
| Space and size | ||
| Cargo space | - best on this row | |
| Front trunk | - best on this row | |
| Seats | ||
| Length | ||
| Width | ||
| Height | ||
| Wheelbase | ||
| Ground clearance | no data | |
| Weight | no data | |
| Battery and warranty | ||
| Battery warranty | no data | |
| Cell chemistry | ||
| Equipment | ||
| Heat pump | version: 725 Max · name as listed in Chinese | |
| Vehicle-to-load (V2L) | no data | |
Which one suits you?
Pick the BYD Great Tang EV (大唐) if
Pick the XPeng G9 if
Score by category
out of 100
BYD Great Tang EV (大唐)XPeng G9
Range
99- Different test cycles - not compared.95Charging
100100Performance
5166Practicality
7990
How much is each in the US?
Questions
Which goes further on a charge?
Range
- BYD Great Tang EV (大唐)
- CLTC
- XPeng G9
- 388 miWLTPcontested: sources disagree
- Ahead by
- Different tests
Which charges faster?
BYD Great Tang EV (大唐)Great Tang EV (大唐)
Fast-charge peak
- Leader
- BYD Great Tang EV (大唐)
- BYD Great Tang EV (大唐)
- XPeng G9
- Ahead by
- 155 kW
Which is quicker?
0–62 mph
- BYD Great Tang EV (大唐)
- XPeng G9
- 6.6 scontested: sources disagree
Where next
- BYD Great Tang EV (大唐)Full specs, prices by trim, sourcesOpen card
Compare with others
BYD Great Tang EV (大唐) vs
- Lucid AirBYD Great Tang EV (大唐) scores 8 higher
- Score
- 86
- Price
- from $70,900
- Audi A6 e-tronBYD Great Tang EV (大唐) scores 14 higher
- Score
- 80
- Price
- from $66,700
- Lucid GravityBYD Great Tang EV (大唐) scores 6 higher
- Score
- 88
- Price
- from $79,900
- BMW iX3 (Neue Klasse)BYD Great Tang EV (大唐) scores 9 higher
- Score
- 85
- Price
- from $61,500
Where the numbers come from
Checked Aug 13, 2026 · 21 sources
Every source link (42)
- https://www.miit.gov.cn/jgsj/zbys/wjfb/art/2026/art_ed2732ebb5c840938668d0832ded5631.html
- https://www.byd.com/cn/dynasty-home/models/tang/da-tang-ev
- https://chejiahao.m.autohome.com.cn/info/25977796
- https://car.m.autohome.com.cn/config/spec/76830.html
- https://car.autohome.com.cn/config/spec/76830.html
- https://db.auto.sohu.com/model_7833/config
- https://www.evlook.com/datang/peizhi
- https://auto.sina.cn/newcar/2026-06-17/detail-inictnut2756821.d.html?vt=4&pos=108&his=0
- https://www.xpeng.com/ae/g9specs.html
- https://xpeng.com/model/g9
- https://www.miit.gov.cn/jgsj/zbys/wjfb/art/2022/art_d9ed7e8307cc44aea71379a6e6034090.html
- https://store.xpeng.com/de/configurator/NEW_G9
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- https://www.miit.gov.cn/datainfo/dljdclscqyjcpgg/xcpgs390ssew/art/2024/art_6e9b477e063040eda8924f92d60ad2c1.html
- https://www.miit.gov.cn/jgsj/zbys/wjfb/art/2022/art_7dd0698b1895437ba3bedcbc53053fae.html
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- https://store.xpeng.com/nl/configurator/New_G9
- https://www.miit.gov.cn/datainfo/dljdclscqyjcpgg/xcpgs390ssew/art/2024/art_a23c41d4298b4fa1a93607b674795ec4.html
- https://store.xpeng.com/fr/configurator/New_G9
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- https://www.miit.gov.cn/datainfo/dljdclscqyjcpgg/xcpgs400wegwew/art/2025/art_05b52da0bac74959ae9d15d756431931.html
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- https://www.miit.gov.cn/datainfo/dljdclscqyjcpgg/xcpgs390ssew/art/2024/art_43ad0b1cf5a24803b7e14b81993d65f4.html
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- https://price.pcauto.com.cn/m133317/config.html
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