EV Comparison
Mahindra & Mahindra Thar.e (Roxx EV) vs Tata Motors Sierra EV — 500 km vs 600 km, full head-to-head (2028)
5 min read·Last updated: 2027-12-31·By ev.care editorial team
TL;DR
Mahindra & Mahindra Thar.e (Roxx EV) vs Tata Motors Sierra EV: ₹25,00,000 vs ₹25,00,000, 500 km vs 600 km. Pick the Tata Motors Sierra EV if range matters most; pick the Mahindra & Mahindra Thar.e (Roxx EV) if budget does.
Buyers cross-shopping the Mahindra & Mahindra Thar.e (Roxx EV) and the Tata Motors Sierra EV are usually choosing between two cars that get to the same destination — quietly and at low running cost — but with different priorities along the way. Here is what the Mahindra & Mahindra Thar.e (Roxx EV) does better than the Tata Motors Sierra EV, where the Tata Motors Sierra EV pulls ahead, and how to pick.
Mahindra & Mahindra Thar.e (Roxx EV) vs Tata Motors Sierra EV — quick spec snapshot
At a glance — price: ₹25,00,000 (Mahindra & Mahindra Thar.e (Roxx EV)) vs ₹25,00,000 (Tata Motors Sierra EV). Battery: 80 kWh vs 65 kWh. Range: 500 km vs 600 km. Charge time (AC): 8 hr vs 7 hr. Power: 280 bhp vs 200 bhp. Top speed: 175 km/h vs 170 km/h. Seating: 5 vs 5. Warranty: 8 yr vs — yr. Motor: Dual PMSM vs PMSM. Ground clearance: 250 mm vs 195 mm.
Price and value — Mahindra & Mahindra Thar.e (Roxx EV) vs Tata Motors Sierra EV
The ex-showroom gap between the Mahindra & Mahindra Thar.e (Roxx EV) and the Tata Motors Sierra EV is the cleanest way to start a like-for-like read. Ex-showroom, the Mahindra & Mahindra Thar.e (Roxx EV) and the Tata Motors Sierra EV land within touching distance. List prices: Mahindra & Mahindra Thar.e (Roxx EV) at ₹25,00,000, Tata Motors Sierra EV at ₹25,00,000. Yearly maintenance comes in at ₹14,000 for the Mahindra & Mahindra Thar.e (Roxx EV) versus ₹12,000 for the Tata Motors Sierra EV — a small line individually, meaningful over five years. Per-km energy: ₹1.20 on the Mahindra & Mahindra Thar.e (Roxx EV) vs ₹1.00 on the Tata Motors Sierra EV.
Range and charging — Mahindra & Mahindra Thar.e (Roxx EV) vs Tata Motors Sierra EV
Pack chemistry and thermal management shape how the Mahindra & Mahindra Thar.e (Roxx EV) and the Tata Motors Sierra EV hold range in heat and cold — worth checking before you commit. Quoted range favours the Tata Motors Sierra EV. Mahindra & Mahindra Thar.e (Roxx EV): 80 kWh pack, 500 km claimed. Tata Motors Sierra EV: 65 kWh pack, 600 km claimed. Mahindra & Mahindra Thar.e (Roxx EV) fast-charges as: 20-80% in 25 min (175 kW DC, expected). Tata Motors Sierra EV fast-charges as: 0-80% in 40 min (DC). Real-world derate is typically 15–25% off the claim on both, larger in cold and at sustained highway speeds.
Practicality — Mahindra & Mahindra Thar.e (Roxx EV) vs Tata Motors Sierra EV
If the car carries a family every weekend, practicality matters more than the 0–100 number — and the Mahindra & Mahindra Thar.e (Roxx EV) and Tata Motors Sierra EV differ here. Body type: Mahindra & Mahindra Thar.e (Roxx EV) is a Electric 4WD SUV; Tata Motors Sierra EV is a Lifestyle SUV. Boot space — 450L (Mahindra & Mahindra Thar.e (Roxx EV)) vs 450L (Tata Motors Sierra EV). Ground clearance — 250 mm vs 195 mm. Seating — 5 on the Mahindra & Mahindra Thar.e (Roxx EV), 5 on the Tata Motors Sierra EV. Top speed of 175 km/h on the Mahindra & Mahindra Thar.e (Roxx EV) and 170 km/h on the Tata Motors Sierra EV — neither is the deciding line for typical buyers, but it indexes how the platform is tuned.
Owner experience — Mahindra & Mahindra Thar.e (Roxx EV) vs Tata Motors Sierra EV
Mahindra & Mahindra Thar.e (Roxx EV) owners complain about different things than Tata Motors Sierra EV owners — both lists are worth reading before you sign. On the Mahindra & Mahindra Thar.e (Roxx EV), the recurring owner reports point at: Pre-production — no real-world data yet; Range under heavy off-road / low-range use unknown. On the Tata Motors Sierra EV, the most-cited issues are: Not yet launched; Real-world range 18-25% below ARAI on highways at AC + 100 kmph. Neither list is disqualifying — every EV in this segment has a short list of niggles, and most are workshop-fixable or OTA-patchable. The pattern matters more than any single item: pick the one whose failure modes you can live with.
Where each wins
The Mahindra & Mahindra Thar.e (Roxx EV) and the Tata Motors Sierra EV earned their slots in the shortlist for different reasons. Pick the Tata Motors Sierra EV if range is your decisive line, given it stretches 600 km on the brochure. Pick the Tata Motors Sierra EV if home AC charging speed matters — its 7 hr full-charge cadence fits a wider range of overnight schedules. The Mahindra & Mahindra Thar.e (Roxx EV) also wins on: First true mechanical-4WD electric SUV from India. The Tata Motors Sierra EV wins on: Iconic Sierra design — massive nostalgia factor. Neither pick is a mistake — the Mahindra & Mahindra Thar.e (Roxx EV) and the Tata Motors Sierra EV are both honest electric cars at their respective price points.
Mahindra & Mahindra Thar.e (Roxx EV) vs Tata Motors Sierra EV by use case
Family-buyer logic on the Mahindra & Mahindra Thar.e (Roxx EV) and Tata Motors Sierra EV is different from fleet-buyer logic. City commuting — the Mahindra & Mahindra Thar.e (Roxx EV) is the easier daily companion; both work, but the smaller car is happier in tight parking and dense traffic. Highway and weekend trips — the Tata Motors Sierra EV pulls ahead thanks to the longer claimed range and the larger pack. Family duty — the Tata Motors Sierra EV wins on practical space. First EV — the Tata Motors Sierra EV is the lower-risk pick on price and learning curve. Fleet — service-network coverage outweighs spec; check both networks in your operating geography.
Practical next steps
Check service-network coverage for the Mahindra & Mahindra Thar.e (Roxx EV) and the Tata Motors Sierra EV at your home pin code before signing. Network density beats spec advantage in the first three years of ownership.
Frequently asked questions
- Which is cheaper to maintain — Mahindra & Mahindra Thar.e (Roxx EV) or Tata Motors Sierra EV?
- Annual scheduled maintenance comes in at ₹14,000 on the Mahindra & Mahindra Thar.e (Roxx EV) versus ₹12,000 on the Tata Motors Sierra EV. Both are well below comparable petrol cars; the gap between them is small enough that other factors usually decide.
- Which charges faster — Mahindra & Mahindra Thar.e (Roxx EV) or Tata Motors Sierra EV?
- Mahindra & Mahindra Thar.e (Roxx EV) fast-charge spec: 20-80% in 25 min (175 kW DC, expected). Tata Motors Sierra EV fast-charge spec: 0-80% in 40 min (DC). AC home charging: 8 hr on the Mahindra & Mahindra Thar.e (Roxx EV) vs 7 hr on the Tata Motors Sierra EV. For daily use, AC matters more; for road trips, DC.
- Which is safer — Mahindra & Mahindra Thar.e (Roxx EV) or Tata Motors Sierra EV?
- Both carry credible safety kits. Mahindra & Mahindra Thar.e (Roxx EV): 7 airbags, ESP, Hill descent control. Tata Motors Sierra EV: Expected 6+ airbags, ADAS, ESP. Check the official crash rating for each in your region — those numbers are the cleanest comparison.
There is no wrong answer between the Mahindra & Mahindra Thar.e (Roxx EV) and the Tata Motors Sierra EV. There is, however, a right answer for your specific driving pattern, which the spec sheet alone can't pick for you.
Comparison built from each model's catalog data — specs, pricing, and reported common issues. All claims are sourced; none are hallucinated. Verify the latest dealer pricing before signing.