BYD Atto 3 vs Tata Sierra EV (2026)
BYD Atto 3 (₹24.99 Lakh – ₹34.49 Lakh) and Tata Sierra EV (₹18.79 Lakh – ₹26.48 Lakh) go head-to-head in the midsize suv space. Here is how they compare on the numbers (October 2026).
- The Tata Sierra EV is more affordable — it starts ₹6.20 Lakh lower than the BYD Atto 3.
- The Tata Sierra EV is the more powerful car, with 306 bhp against 201 bhp.
- The Tata Sierra EV claims the longer range: 665 km vs 521 km.
- The Tata Sierra EV has the bigger boot: 622 litres vs 440 litres.
Specification Comparison
Shortlisting a third car? See the full three-way comparison →
BYD Atto 3 in short
The Atto 3 was BYD's first passenger EV for India in 2022, and its 2025 model-year update added a cheaper 49.92 kWh Dynamic variant to sit under the 60.48 kWh Premium and Superior. All versions use the same 150 kW/310 Nm front motor on BYD's e-Platform 3.0 with the structural Blade LFP battery, with ARAI range of 468 km (Dynamic) or 521 km (Premium/Superior). It scored 5 stars in Euro NCAP's 2022 protocol, and in India fights the Hyundai Creta Electric, Tata Curvv EV and MG ZS EV.
Full Atto 3 prices & variants →Tata Sierra EV in short
The Sierra EV is the electric version of Tata's revived Sierra nameplate, launched in July 2026 with 63 kWh and 75 kWh battery packs rated at up to 665 km (MIDC) and a dual-motor QWD flagship that does 0-100 kmph in 5.8 seconds. A 622-litre boot, a frunk and a triple-screen dashboard headline its practicality-plus-tech pitch. It squares up against the Mahindra BE 6, Hyundai Creta Electric, Maruti e Vitara and Tata's own Curvv EV.
Full Sierra EV prices & variants →Frequently Asked Questions
Which is cheaper: Atto 3 or Sierra EV?
The Tata Sierra EV is more affordable — it starts ₹6.20 Lakh lower than the BYD Atto 3. (Ex-showroom prices, October 2026.)
Atto 3 vs Sierra EV — which is safer?
NCAP ratings: BYD Atto 3 — not yet tested; Tata Sierra EV — not yet tested.
Should I buy the Atto 3 or the Sierra EV?
The Tata Sierra EV is more affordable — it starts ₹6.20 Lakh lower than the BYD Atto 3. The Tata Sierra EV is the more powerful car, with 306 bhp against 201 bhp. The Tata Sierra EV claims the longer range: 665 km vs 521 km. Beyond the numbers, shortlist by test-driving both — ride quality and dealer experience differ by city.