BYD Dolphin vs Atto 3: Which BYD Should You Buy?
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The BYD Dolphin and Atto 3 share the same LFP Blade battery, and the Dolphin Extended Range even uses the same 150 kW motor as the Atto 3. The real difference is body style. The Atto 3 is the larger, taller SUV with more space and bigger wheels, while the Dolphin is the smaller, more efficient, easier-to-park hatch. Choose the Atto 3 for space and a higher driving position, or the Dolphin for efficiency, value, and city ease.
BYD Dolphin vs Atto 3: Side by Side
| Measurement | BYD Dolphin | BYD Atto 3 |
|---|---|---|
| Body style | Compact hatchback | Compact SUV |
| Length | 4,290 mm | 4,455 mm |
| Width (excl. mirrors) | 1,770 mm | 1,875 mm |
| Height | 1,570 mm | 1,615 mm |
| Wheelbase | 2,700 mm | 2,720 mm |
| Peak power | 70 kW / 150 kW | 150 kW |
| Peak torque | 180 Nm / 310 Nm | 310 Nm |
| Top speed | 150 / 160 km/h | 160 km/h |
| Curb weight | 1,506 / 1,658 kg | 1,750 kg |
| Payload | 410 kg | 410 kg |
| Tyres | 16 or 17 inch | 18 inch (215/55R18) |
| Approach / departure | 16 / 23 degrees | 19 / 24 degrees |
| Battery | LFP Blade, 5 seats, front-wheel drive | |
The Honest Summary: Same DNA, Different Body
Here is the insight that cuts through the noise. Cross-checking both owner's manuals reveals that the Dolphin Extended Range and the Atto 3 share the same TZ200XSQ motor, producing 150 kW and 310 Nm, and both use BYD's LFP Blade battery.
In other words, a Dolphin Extended Range and an Atto 3 are mechanically very close. The Atto 3 is essentially a taller, larger SUV body on similar underpinnings. That reframes the whole decision: for the Extended Range, this is not a performance contest but a choice of body style, size, and efficiency.
Size and Space
The Atto 3 is bigger in every external dimension, and it feels it inside too.
- Longer and wider: At 4,455 mm long and 1,875 mm wide, the Atto 3 has more physical presence than the 4,290 mm, 1,770 mm Dolphin
- Taller SUV stance: The Atto 3's extra height gives a higher seating position and easier entry, which many buyers prefer
- More cargo room: The SUV body yields a larger boot, better for prams, luggage, and bulky loads
- Dolphin's advantage: Its smaller size makes it noticeably easier to park and thread through tight city streets
Power and Performance
Performance depends entirely on which Dolphin you compare.
- Dolphin Extended vs Atto 3: Effectively matched, with the same 150 kW and 310 Nm, so acceleration feels similar
- Dolphin Standard vs Atto 3: A clear gap, as the Standard Range makes just 70 kW, so the Atto 3 feels much stronger
- Top speed: Both top out at 160 km/h, except the Dolphin Standard at 150 km/h
If performance matters and you are drawn to the Dolphin, the Extended Range is the one to compare against the Atto 3.
The Screen: Both Rotate
This is worth stating clearly, as it is often misreported. Both cars have BYD's signature rotating touchscreen that switches between landscape and portrait, controlled by the Screen mode button on the steering wheel.
The Atto 3 is famous for the feature, but the Dolphin has it too. On the connectivity side, both manuals document Bluetooth and USB, and neither documents Apple CarPlay or Android Auto, so if phone projection matters, verify availability for your specific market on either car. In short, the infotainment experience is very similar across the two.
Efficiency
Here the Dolphin pulls ahead. Being smaller, lighter, and lower, it is the more efficient car, using less energy for the same journey. The Atto 3's taller SUV body and larger 18-inch wheels come at a small efficiency cost.
For drivers focused on maximising range and minimising running costs, the Dolphin is the more frugal choice, particularly the Standard Range around town.
Driveways and Rougher Roads
The Atto 3's SUV design gives it an edge away from smooth tarmac. Its approach and departure angles of 19 and 24 degrees are more generous than the Dolphin's 16 and 23 degrees, and its higher ride height helps on steep driveways and rough surfaces.
Neither is an off-roader, but if steep driveways or unsealed roads feature in your life, the Atto 3 copes more comfortably.
Price and Value
The Dolphin is positioned as the more affordable way into BYD ownership, with the Standard Range typically the lowest-priced option. The Atto 3 commands more for its extra size and SUV practicality.
Because pricing and offers change regularly and vary by market, check current BYD pricing for exact figures. As a rule, the Dolphin is the value and efficiency pick, while the Atto 3 asks a premium for space and versatility.

The Verdict by Buyer
Choose the BYD Dolphin if you:
- Want the most affordable, efficient way into a BYD EV
- Drive mainly in the city and value easy parking
- Do not need SUV height or maximum cargo space
- Are happy with the Standard Range for commuting, or want Atto 3 pace in the Extended Range hatch
Choose the BYD Atto 3 if you:
- Want more interior and boot space for family life
- Prefer a higher, SUV-style seating position and easier entry
- Regularly tackle steep driveways or rougher roads
- Like larger 18-inch wheels and more road presence
Related Comparisons
If you are cross-shopping BYD's smaller models, these guides help you weigh the options.
- Our Atto 2 vs Atto 3 comparison covers BYD's two small SUVs
- For the full picture on the SUV, see our guide to mastering the Atto 3's rotating touchscreen
- For the hatch, our complete Dolphin specifications lists every verified figure