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Wheelsio
Side by side

Thar ROXX vs Sierra

Ex-showroom prices and the specifications that have been published. Rows that differ are marked.

Mahindra

Thar ROXX

Thar ROXX
5-Star Safety
Price Range

₹12.52 lakh – ₹23.53 lakh

Mileage

12.4 - 15.2 km/l

Petrol / Diesel • 21 TrimsOpen model
VS
Tata Motors

Sierra

Sierra
5-Star Safety
Price Range

₹11.49 lakh – ₹21.59 lakh

Mileage

Not published

Petrol / Diesel • 59 TrimsOpen model
The Bottom Line

The Wheelsio Verdict

Published pros for each vehicle. A written verdict appears only when one is stored.

Editorial Summary

“Thar ROXX takes the lead with higher composite scores, standing out especially in punchy performance. While Sierra remains a capable contender, Thar ROXX offers greater return per rupee spent.”

Real-World Comparison

The Differences That Actually Matter

Stripping away marketing jargon: how these two vehicles perform across the 5 essential pillars of ownership.

Safety Architecture & Protection

Segment Edge:Thar ROXX
Thar ROXX Standout

5-Star Bharat NCAP

6

Sierra

5-Star Bharat NCAP

6

Engine Performance

Segment Edge:Published figures only
Thar ROXX

162.2 PS

330 Nm

Sierra

106.5 PS

145 Nm

Fuel Economy

Segment Edge:Published mileage only
Thar ROXX

12.4 - 15.2 km/l

Shown only for km/l, km/kg, or km per charge

Sierra

Not published

Shown only for km/l, km/kg, or km per charge

Long-Term Intelligence

Ownership figures on record

Only stored mileage, service, insurance, and depreciation figures are shown. Missing items are left out.

Mahindra

Thar ROXX

Listed items₹4,34,783
Fuel over 60,000 km at ₹100 per litre (assumption)
₹4,34,783
Tata Motors

Sierra

Trim-Level Shootout

Recommended Variants Compared

Compare matching price brackets and sweet-spot trim packages side-by-side.

Price Delta:₹2.24 lakh(Sierra lower)

MX1 RWD Diesel

2184 cc • Manual • 15.2 km/l

Ex-Showroom₹14.23 lakh

Smart Plus L

1498 cc • Manual •

Ex-Showroom₹11.99 lakh
Technical Benchmark

Full Specification Sheet

Side-by-side engineering data and equipment levels.

Thar ROXX
Sierra
Engine TypeDiffers
Thar ROXX:1997 cc, 2184 cc
Sierra:1497 cc, 1498 cc
Max PowerDiffers
Thar ROXX:162.2 PS
Sierra:106.5 PS
Peak TorqueDiffers
Thar ROXX:330 Nm
Sierra:145 Nm
Transmission OptionsDiffers
Thar ROXX:Manual, Automatic
Sierra:Manual, DCT, Automatic
Fuel Options
Thar ROXX:Petrol, Diesel
Sierra:Petrol, Diesel
Claimed MileageDiffers
Thar ROXX:12.4 - 15.2 km/l
Sierra:—
Thar ROXX
Sierra
Seating
Thar ROXX:5 seats
Sierra:5 seats
Ground ClearanceDiffers
Thar ROXX:—
Sierra:205 mm
Boot SpaceDiffers
Thar ROXX:—
Sierra:622 litres
Fuel Tank CapacityDiffers
Thar ROXX:57 litres
Sierra:50 litres
Body Type
Thar ROXX:SUV
Sierra:SUV
Thar ROXX
Sierra
Crash Test Rating
Thar ROXX:5-Star Bharat NCAP
Sierra:5-Star Bharat NCAP
Airbags
Thar ROXX:6
Sierra:6
Buyer Questions Answered

Frequently Asked Questions

Direct, objective answers to the most common head-to-head questions asked by prospective buyers.

Both the Thar ROXX and Sierra have a published 5-star crash rating.