Tata MotorsLeads
Sierra EV
7/12 winsEx-showroom₹18.79–25.99L
On-road₹19.44L
Sierra EVvsCurvv EV
2 electric cars compared on price, range, charging, running cost and safety · add up to 2 more
Get best offer
Tata Motors
Curvv EV
2/12 winsEx-showroom₹14.99–19.99L
On-road₹15.52L
Get the Sierra EV — best overall, leading on range, range added per charging stop and boot space. Pick the Curvv EV 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
Sierra EV
Sierra EV leads on range, range added per charging stop and boot space. Curvv EV is the closest alternative, ahead on price and efficiency.
On-road priceLower is better
Sierra EV₹19.44L
Curvv EV₹15.52LBest in this comparison
Claimed range
Sierra EV665 kmBest in this comparison
Curvv EV502 km
Energy useLower is better
Sierra EV11.3 kWh/100 km
Curvv EV9.0 kWh/100 kmBest in this comparison
Boot space
Sierra EV622 LBest in this comparison
Curvv EV500 L
DC fast charge, 10–80%Lower is better
Sierra EV25 minBest in this comparison
Curvv EV55 min
Crash-test ratingNot ranked · Current ratings only
Sierra EVNot rated
Curvv EV5 ★ BNCAP
At a glance
The numbers, side by side.
Sierra EVCurvv EV
Claimed range
Sierra EVBest in this comparison665km
Curvv EV502km
On-road priceDelhi
Sierra EV₹19.44L
Curvv EVBest in this comparison₹15.52L
Batterygross
Sierra EVBest in this comparison75kWh
Curvv EV45kWh
DC fast charge10–80%
Sierra EVBest in this comparison25min
Curvv EV55min
0–100 km/hlower is better
Sierra EVBest in this comparison5.8s
Curvv EV8.6s
Power
Sierra EVNot published
Curvv EV123kW
Boot space
Sierra EVBest in this comparison622L
Curvv EV500L
Crash-test ratingcurrent only
Sierra EVNot rated
Curvv EV5 ★ BNCAP
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.
Sierra EV 4Curvv EV 3Tie / no winner 1
Value
Curvv EV
₹15.52L — ₹3.91L less on-road than the Sierra EV.
Range
Sierra EV
665 km — 163 km more claimed range than the Curvv EV.
Efficiency
Curvv EV
9.0 kWh/100 km — 2.3 kWh/100 km less energy per 100 km than the Sierra EV.
Performance
Sierra EV
5.8 s — 2.8 s quicker to 100 km/h than the Curvv EV.
DC fast charging
Sierra EV
279 km — 183 km more range per 15-minute stop than the Curvv EV.
Home charging
Curvv EV
8.4 h — 2.1 h faster to a full AC charge than the Sierra EV.
Space
Sierra EV
622 L — 122 L more boot space than the Curvv EV.
Safety
No clear winner
None of these has a current crash-test rating published.
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Three quick questions. Your answer updates instantly.
Our suggestion for you
Curvv EV
Sierra EV 11%Curvv EV 89%
- Best in this comparisonBest price here: ₹15.52L
- Best in this comparisonBest efficiency here: 9.0 kWh/100 km
- Best in this comparisonBest 5-year cost here: ₹16.13L
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
Sierra EVBest in this comparison465–532km
Curvv EV351–402km
Sierra EV should go furthest between charges in everyday driving.
Estimate: 70–80% of each claimed range (highway to city).
Fast-charge top-up
Sierra EVBest in this comparison279km / 15 min
Curvv EV96km / 15 min
Sierra EV 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
Sierra EVBest in this comparison63km / hour
Curvv EV60km / hour
All of these refill overnight on an AC wallbox — Sierra EV soonest.
Claimed range ÷ published full AC charge time.
Running cost per km
Sierra EV₹1.06/km
Curvv EVBest in this comparison₹0.84/km
Curvv EV 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
Sierra EVBest in this comparison₹2,923
Curvv EV₹3,093
You pay the least for each km of range with the Sierra EV.
On-road price ÷ claimed range.
Battery warranty
Sierra EVNot published
Curvv EV8 yrs/ 1,60,000 km
Curvv EV 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 settingsSierra EV
₹20.20L
Curvv EV
₹16.13L
Bright = on-road price · Dark = 5 years of chargingCurvv EV is cheapest to own — ₹4,07,062 less than the Sierra EV over five years
EMI calculator
Loan on the on-road price
Sierra EV₹32,660Loan ₹15,55,096 · interest ₹4,04,499
Curvv EVBest in this comparison₹26,084Loan ₹12,41,976 · interest ₹3,23,052
The Curvv EV costs ₹6,576 less a month than the Sierra EV.
Running cost calculator
Public charging at ₹15/unit · petrol car at ₹105/litre, 15 km/l
Sierra EV₹1,272₹1.06/km
Curvv EVBest in this comparison₹1,011₹0.84/km
Petrol car₹8,400per month
Any of these saves about ₹87,100 a year over petrol.
On-road price breakdown
| Component | Sierra EV | Curvv EV |
|---|---|---|
| Ex-showroom price | ₹18,79,000 | ₹14,99,000 |
| Registration & road taxEV exempt | ₹0 | ₹0 |
| Insurance (est.) | ₹56,370 | ₹44,970 |
| Other charges (est.) | ₹8,500 | ₹8,500 |
| Total on-road | ₹19,43,870 | ₹15,52,470 |
Estimated for Delhi — confirm with your dealer. Insurance and other charges vary by city and insurer.
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Size & space
Drawn to the same scale.
Outlines are illustrative but proportioned to each car’s published length, height and wheelbase.
Sierra EVCurvv EV
The Sierra EV is the longest — 30 mm longer than the Curvv EV.
Length
4,340 mm
4,310 mm
Width
1,841 mm
1,810 mm
Height
1,750 mm
1,637 mm
Wheelbase
2,730 mm
2,560 mm
Ground clearance
205 mm
186 mm
Boot space
622 L
500 L
Full specifications
Every published number.
Sierra EVCurvv EV
SpecificationSierra EVCurvv EV
Battery & range4 specs · 3 differ
Battery Capacityi75 kWh (gross)Best in this comparison45 kWh (gross)
Battery ChemistryNot publishedNot published
Rangei665 kmBest in this comparison502 km
Efficiencyi11.3 kWh/100km9.0 kWh/100km
Charging6 specs · 5 differ
DC Fast Charging (10-80%)i25 minBest in this comparison55 min
AC Home Charging (full)10.5 hr8.4 hrBest in this comparison
Charging PortNot publishedCCS2
Vehicle to LoadYesNot published
Vehicle to VehicleYesNot published
Charging Network PartnerNot publishedNot published
Performance8 specs · 6 differ
PowerNot published123 kW
TorqueNot published215 Nm (at motor)
0-100 km/h5.8sBest in this comparison8.6s
Top Speed170 km/hBest in this comparison165 km/h
Drive ModesNot publishedNot published
Regenerative BrakingYesYes
Motor TypePermanent magnet synchronousNot published
Drive LayoutNot publishedFWD
Dimensions & space11 specs · 9 differ
Length4340 mm4310 mm
Width1841 mm1810 mm
Height1750 mm1637 mm
Wheelbase2730 mm2560 mm
Ground Clearance205 mmBest in this comparison186 mm
Boot Space622 LBest in this comparison500 L
Kerb WeightNot publishedNot published
Turning RadiusNot publishedNot published
Tyre Size225/55 R19Not published
Suspension (Front / Rear)Independent, MacPherson strut / Independent, multi-linkNot published
Brakes (Front / Rear)disc / discNot published
Safety10 specs · 5 differ
NCAP RatingiNot published5 Stars (Bharat NCAP)
Airbags66
ADASYesYes
ABSYesNot published
ESCYesYes
Hill Hold ControlNot publishedYes
360° CameraNot publishedYes
TPMSNot publishedYes
ISOFIXNot publishedNot published
Parking SensorsNot publishedNot published
Tech & warranty14 specs · 5 differ
Touchscreen12.3"Not published
Wireless Android AutoNot publishedNot published
Wireless Apple CarPlayNot publishedNot published
OTA UpdatesYesNot published
Connected Car AppYesNot published
Ventilated SeatsNot publishedNot published
SunroofNot publishedNot published
Digital ClusterYesNot published
Ambient LightingNot publishedNot published
Premium AudioNot publishedNot published
Vehicle WarrantyNot publishedNot published
Battery WarrantyNot published8 yrs / 1,60,000 km
Motor WarrantyNot publishedNot 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.
Tata Motors Sierra EV
- +Pro: 665 km MIDC range
- +Pro: 5.8s 0-100 km/h in Boost Mode
- +Pro: Optional Quad Wheel Drive (QWD)
- −Con: Highest on-road price here (₹19.44L)
- −Con: Uses the most energy per km (11.3 kWh/100 km)
- −Con: Slowest home (AC) charge here (10.5 h)
Tata Motors Curvv EV
- +Pro: 502 km ARAI range
- +Pro: Coupe SUV silhouette
- +Pro: ADAS Level 2
- −Con: Shortest claimed range here (502 km)
- −Con: Slowest DC fast charge here (55 min)
- −Con: Smallest boot here (500 L)
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 — Sierra EV or Curvv EV?
The Sierra EV claims the most at 665 km, followed by the Curvv EV (502 km). Expect roughly 70–80% of the claimed figure in everyday driving.
Which is cheapest to buy and to own?
The Curvv EV has the lowest on-road price in Delhi at ₹15.52L — ₹3.91L less than the Sierra EV. Over five years, including charging at 1,200 km a month, the Curvv EV works out cheapest at ₹16.13L.
Which charges fastest?
On a DC fast charger the Sierra EV adds the most range — about 279 km in 15 minutes (10–80% in 25 min). On a home AC charger the Curvv EV is quickest to full, at 8.4 hours.
Which is best for a family?
The Sierra EV has the biggest boot (622 L) and the longest wheelbase (2,730 mm). The Curvv EV (5 ★ BNCAP) has a current crash-test rating.