BYD
Atto 3
2/12 winsEx-showroom₹24.90–27.60L
On-road₹25.73L
Atto 3vsSealion 7
2 electric cars compared on price, range, charging, running cost and safety · add up to 2 more
Get best offer
BYDLeads
Sealion 7
8/12 winsEx-showroom₹49.40–54.90L
On-road₹50.97L
Get the Sealion 7 — best overall, leading on range, range added per charging stop and boot space. Pick the Atto 3 if price matters most.
Specs as published by the manufacturersBy EV Motion Data Desk
Key differences
What matters depends on how you drive.
Pick your use and we re-rank the differences that decide it between these electric cars.
Best for most buyers
Sealion 7
Sealion 7 leads on range, range added per charging stop and boot space. Atto 3 is the closest alternative, ahead on price and efficiency.
On-road priceLower is better
Atto 3₹25.73LBest in this comparison
Sealion 7₹50.97L
Claimed range
Atto 3521 km
Sealion 7567 kmBest in this comparison
Energy useLower is better
Atto 311.6 kWh/100 kmBest in this comparison
Sealion 714.6 kWh/100 km
Boot space
Atto 3440 L
Sealion 7500 LBest in this comparison
DC fast charge, 10–80%Lower is better
Atto 350 min
Sealion 732 minBest in this comparison
Crash-test ratingLevel · Current ratings only
Atto 35 ★ Euro NCAP
Sealion 75 ★ Euro NCAP
At a glance
The numbers, side by side.
Atto 3Sealion 7
Claimed range
Atto 3521km
Sealion 7Best in this comparison567km
On-road priceDelhi
Atto 3Best in this comparison₹25.73L
Sealion 7₹50.97L
Batteryusable
Atto 360.5kWh
Sealion 7Best in this comparison82.56kWh
DC fast charge10–80%
Atto 350min
Sealion 7Best in this comparison32min
0–100 km/hlower is better
Atto 37.3s
Sealion 7Best in this comparison4.5s
Power
Atto 3150kW
Sealion 7Best in this comparison230kW
Boot space
Atto 3440L
Sealion 7Best in this comparison500L
Crash-test ratingcurrent only
Atto 35 ★ Euro NCAP
Sealion 75 ★ Euro NCAP
Verdict by category
Who wins what — and where it’s a tie.
Decided only from published figures. When the data doesn’t separate them, we say so.
Atto 3 2Sealion 7 4Tie / no winner 2
Value
Atto 3
₹25.73L — ₹25.23L less on-road than the Sealion 7.
Range
Sealion 7
567 km — 46 km more claimed range than the Atto 3.
Efficiency
Atto 3
11.6 kWh/100 km — 3.0 kWh/100 km less energy per 100 km than the Sealion 7.
Performance
Sealion 7
4.5 s — 2.8 s quicker to 100 km/h than the Atto 3.
DC fast charging
Sealion 7
186 km — 77 km more range per 15-minute stop than the Atto 3.
Home charging
No clear winner
All level on home-charging time.
Space
Sealion 7
500 L — 60 L more boot space than the Atto 3.
Safety
No clear winner
None of these has a current crash-test rating published.
Help me choose
Three quick questions. Your answer updates instantly.
Our suggestion for you
Atto 3
Atto 3 89%Sealion 7 11%
- Best in this comparisonBest price here: ₹25.73L
- Best in this comparisonBest efficiency here: 11.6 kWh/100 km
- Best in this comparisonBest 5-year cost here: ₹26.52L
EV ownership
What living with each one is like.
Numbers a spec sheet won’t give you — worked out from the published figures, with the maths shown.
Real-world range
Atto 3365–417km
Sealion 7Best in this comparison397–454km
Sealion 7 should go furthest between charges in everyday driving.
Estimate: 70–80% of each claimed range (highway to city).
Fast-charge top-up
Atto 3109km / 15 min
Sealion 7Best in this comparison186km / 15 min
Sealion 7 adds the most range during a coffee stop — handy on highway runs.
Average over 10–80%: 70% of claimed range ÷ published DC minutes × 15.
Home charging
Atto 358km / hour
Sealion 7Best in this comparison63km / hour
All of these refill overnight on an AC wallbox — Sealion 7 soonest.
Claimed range ÷ published full AC charge time.
Running cost per km
Atto 3Best in this comparison₹1.09/km
Sealion 7₹1.37/km
Atto 3 is the cheapest to run every kilometre.
At ₹9.40/unit blended home + public charging — change it in the calculator below.
Price per km of range
Atto 3Best in this comparison₹4,939
Sealion 7₹8,989
You pay the least for each km of range with the Atto 3.
On-road price ÷ claimed range.
Battery warranty
Atto 38 yrs/ 1,50,000 km
Sealion 7Not published
Atto 3 publishes battery cover; check the others with the dealer before you buy.
As published by the manufacturers.
Price & cost of ownership
What each one really costs you.
Estimates for Delhi, starting variants. Move the sliders to match your loan and driving.
5-year cost of ownership
On-road price + 5 years of charging at your running-cost settingsAtto 3
₹26.52L
Sealion 7
₹51.95L
Bright = on-road price · Dark = 5 years of chargingAtto 3 is cheapest to own — ₹25,43,456 less than the Sealion 7 over five years
EMI calculator
Loan on the on-road price
Atto 3Best in this comparison₹43,234Loan ₹20,58,560 · interest ₹5,35,455
Sealion 7₹85,632Loan ₹40,77,360 · interest ₹10,60,569
The Atto 3 costs ₹42,399 less a month than the Sealion 7.
Running cost calculator
Public charging at ₹15/unit · petrol car at ₹105/litre, 15 km/l
Atto 3Best in this comparison₹1,310₹1.09/km
Sealion 7₹1,642₹1.37/km
Petrol car₹8,400per month
Any of these saves about ₹83,086 a year over petrol.
On-road price breakdown
| Component | Atto 3 | Sealion 7 |
|---|---|---|
| Ex-showroom price | ₹24,90,000 | ₹49,40,000 |
| Registration & road taxEV exempt | ₹0 | ₹0 |
| Insurance (est.) | ₹74,700 | ₹1,48,200 |
| Other charges (est.) | ₹8,500 | ₹8,500 |
| Total on-road | ₹25,73,200 | ₹50,96,700 |
Estimated for Delhi — confirm with your dealer. Insurance and other charges vary by city and insurer.
Advertisement300 × 250
Size & space
Drawn to the same scale.
Outlines are illustrative but proportioned to each car’s published length, height and wheelbase.
Atto 3Sealion 7
The Sealion 7 is the longest — 375 mm longer than the Atto 3.
Length
4,455 mm
4,830 mm
Width
1,875 mm
1,925 mm
Height
1,615 mm
1,620 mm
Wheelbase
2,720 mm
2,930 mm
Ground clearance
175 mm
170 mm
Boot space
440 L
500 L
Full specifications
Every published number.
Atto 3Sealion 7
SpecificationAtto 3Sealion 7
Battery & range4 specs · 3 differ
Battery Capacityi60.5 kWh (usable)82.56 kWh (usable)Best in this comparison
Battery ChemistryLFP Blade BatteryLFP Blade Battery
Rangei521 km567 kmBest in this comparison
Efficiencyi11.6 kWh/100km14.6 kWh/100km
Charging6 specs · 1 differ
DC Fast Charging (10-80%)i50 min32 minBest in this comparison
AC Home Charging (full)9 hr9 hr
Charging PortNot publishedNot published
Vehicle to LoadNot publishedNot published
Vehicle to VehicleNot publishedNot published
Charging Network PartnerNot publishedNot published
Performance8 specs · 5 differ
Power150 kW230 kWBest in this comparison
Torque310 Nm (at motor)380 Nm (at motor)Best in this comparison
0-100 km/h7.3s4.5sBest in this comparison
Top Speed160 km/h215 km/hBest in this comparison
Drive ModesNot publishedNot published
Regenerative BrakingNot publishedNot published
Motor TypeNot publishedNot published
Drive LayoutFWDRWD
Dimensions & space11 specs · 9 differ
Length4455 mm4830 mm
Width1875 mm1925 mm
Height1615 mm1620 mm
Wheelbase2720 mm2930 mm
Ground Clearance175 mmBest in this comparison170 mm
Boot Space440 L500 LBest in this comparison
Kerb WeightNot publishedNot published
Turning RadiusNot publishedNot published
Tyre SizeNot published245/45 R20
Suspension (Front / Rear)Not publishedIndependent, double wishbone / Independent, multi-link
Brakes (Front / Rear)Not publisheddisc / disc
Safety10 specs · 2 differ
NCAP Ratingi5 Stars (Euro NCAP)5 Stars (Euro NCAP, 2025)
AirbagsNot published8
ADASNot publishedNot published
ABSNot publishedNot published
ESCNot publishedNot published
Hill Hold ControlNot publishedNot published
360° CameraNot publishedNot published
TPMSNot publishedNot published
ISOFIXNot publishedNot published
Parking SensorsNot publishedNot published
Tech & warranty14 specs · 3 differ
TouchscreenNot publishedNot published
Wireless Android AutoNot publishedNot published
Wireless Apple CarPlayNot publishedNot published
OTA UpdatesNot publishedNot published
Connected Car AppNot publishedNot published
Ventilated SeatsNot publishedNot published
SunroofNot publishedNot published
Digital ClusterNot publishedNot published
Ambient LightingNot publishedNot published
Premium AudioNot publishedNot published
Vehicle Warranty6 yrs / 1,50,000 kmNot published
Battery Warranty8 yrs / 1,50,000 kmNot published
Motor Warranty8 yrs / 1,50,000 kmNot published
Roadside AssistanceNot publishedNot published
✓ = best figure in this comparison · “Not published” = no official figure yet · Prices updated 2 August 2026
Pros & cons
What you gain. What you give up.
Pros are each model’s own highlights; cons are worked out against the others in this comparison.
BYD Atto 3
- +Pro: Blade Battery fire-safety tech
- +Pro: Quirky guitar-string door trim
- +Pro: 521 km range
- −Con: Shortest claimed range here (521 km)
- −Con: Slowest DC fast charge here (50 min)
- −Con: Smallest boot here (440 L)
BYD Sealion 7
- +Pro: Dual-motor AWD Performance variant
- +Pro: 4.5s 0-100 km/h
- +Pro: 567 km range on the RWD Premium
- −Con: Highest on-road price here (₹50.97L)
- −Con: Uses the most energy per km (14.6 kWh/100 km)
Go deeper
Reviews, model pages and video.
Owner reviews
Owners who share their real-world range help the next buyer decide. Read or write one on each model’s page.
Expert video comparison
City, highway and a charging stop, driven back to back by our road-test team.
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FAQs
Questions buyers ask.
Which has the most range — Atto 3 or Sealion 7?
The Sealion 7 claims the most at 567 km, followed by the Atto 3 (521 km). Expect roughly 70–80% of the claimed figure in everyday driving.
Which is cheapest to buy and to own?
The Atto 3 has the lowest on-road price in Delhi at ₹25.73L — ₹25.23L less than the Sealion 7. Over five years, including charging at 1,200 km a month, the Atto 3 works out cheapest at ₹26.52L.
Which charges fastest?
On a DC fast charger the Sealion 7 adds the most range — about 186 km in 15 minutes (10–80% in 32 min). On a home AC charger the Atto 3 is quickest to full, at 9 hours.
Which is best for a family?
The Sealion 7 has the biggest boot (500 L) and the longest wheelbase (2,930 mm). The Atto 3 (5 ★ Euro NCAP) and the Sealion 7 (5 ★ Euro NCAP) have a current crash-test rating.