Comparing the Mercedes-Benz GLS and the Tata Sierra side by side helps you weigh how each car fits your driving needs before you decide. In terms of pricing, the Mercedes-Benz GLS is available at ₹13,999,000, while the Tata Sierra is priced at ₹2,290,000. On the engine front, the Mercedes-Benz GLS comes with a 2925 cc unit compared to the Tata Sierra's N/A (Electric), producing 325 bhp (GLS 450) / 286 bhp (GLS 400d) and 167 bhp (FWD) / 268 bhp (AWD) respectively. The full specification, pricing and feature breakdown for both cars is available in the table below.
| Specification | ||
|---|---|---|
Engine & Performance |
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| Battery | — | LFP Battery (IP67) |
| Displacement | 2925 cc | N/A (Electric) |
| Drive Type | 4MATIC AWD | FWD / AWD |
| Engine Type | 2.9L OM656 Diesel V6 / 3.0L M256 Petrol Inline-6 | Permanent Magnet Synchronous Motor |
| Fuel Tank Capacity | 100 Litres | — |
| Fuel Type | Diesel / Petrol (Mild Hybrid) | Electric |
| Gearbox | 9-Speed 9G-TRONIC | Single-Speed |
| Mileage | 11.0 kmpl (approx) | — |
| Number of Cylinders | 6 | — |
| Power | 325 bhp (GLS 450) / 286 bhp (GLS 400d) | 167 bhp (FWD) / 268 bhp (AWD) |
| Starter | Push Button Start | Electric |
| Torque | 730 Nm (GLS 400d) / 500 Nm (GLS 450) | 250 Nm (FWD) / 430 Nm (AWD) |
| Transmission Type | Automatic (9G-TRONIC) | Automatic (Single-Speed) |
Electric Vehicle Specs |
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| Battery Capacity | — | 60 kWh / 69 kWh |
| Charging Time | — | DC Fast: ~40 min (10-80%) |
| Fast Charging Support | — | Yes - CCS2 DC |
| Range | — | 450 km+ (est.) |
| Regenerative Braking | — | Yes - Regen Levels |
Dimensions & Weight |
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| Boot Space | 355 Litres (3rd row up) | 426 Litres |
| Gross Vehicle Weight | 3300 kg | 2200 kg |
| Ground Clearance | 248 mm | 205 mm |
| Kerb Weight | 2480 kg | 1700 kg (est.) |
| Length, Width, Height | 5207 mm / 2030 mm / 1823 mm | 4350 mm / 1825 mm / 1635 mm |
| Seating Capacity | 7 | 5 |
| Wheelbase | 3135 mm | 2560 mm |
Comfort & Interior |
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| Adjustable Steering | Tilt & Telescopic (electric) | Tilt & Telescopic |
| Auto-Dimming IRVM | Yes | — |
| Central Locking | Yes | Yes |
| Climate Control | Tri-Zone + 3rd Row Climate Control (4-Zone) | Automatic Dual-Zone Climate Control |
| Cluster | 12.3-inch MBUX Digital Display | 12.3-inch Digital Cluster |
| Cruise Control | Yes - DISTRONIC Plus | Yes - ADAS |
| Electrically Adjustable Seats | Yes - Front & 2nd Row | Yes - Driver |
| Infotainment System | 12.8-inch MBUX with Android Auto & Apple CarPlay | 12.3-inch Touchscreen with Wireless Android Auto & Apple CarPlay |
| Keyless Entry | Yes | Yes |
| Power Adjustable ORVMs | Yes | Yes |
| Power Windows | Yes | Yes |
| Push Start | Yes | Yes |
| Rear AC Vents | Yes - 2nd & 3rd Row | Yes |
| Rear Seat Armrest | Yes - 2nd Row Captain Seats | Yes |
| Seat Upholstery | Nappa Leather / MANUFAKTUR Leather | Leatherette / Leather |
| Sound System | Burmester 4D 17-Speaker | JBL 9-Speaker |
| Sunroof | Panoramic Sliding Sunroof | Panoramic Sunroof |
| USB Ports | Yes | Yes - V2L |
| Voice Command | Yes | Yes |
| Wireless Charger | Yes | Yes |
Exterior & Lighting |
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| Body-Colored Bumpers | Yes | Yes |
| DRLs | LED DRLs | LED DRLs |
| Fog Lamps | Yes | Yes - LED |
| Headlight | Digital Light LED Headlamps | LED Matrix Headlamps |
| ORVMs with Turn Indicators | Yes - Power Folding | Yes - Power Folding |
| Rear Wiper & Defogger | Yes | Yes |
| Roof Rails | — | Yes |
| Tail Lamp Type | LED Tail Lamps | LED Tail Lamps |
| Tyre Size | 275/50 R20 | 225/60 R18 |
| Tyre Type | Radial, Tubeless | Radial, Tubeless |
| Wheel Type | 20-inch / 21-inch AMG Alloy Wheels | 18-inch Alloy Wheels |
Safety |
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| ABS | Yes | Yes |
| Airbags | 9 Airbags | 6 Airbags |
| Brake Assist | Yes | Yes |
| EBD | Yes | Yes |
| Electronic Stability Program (ESP) | Yes - ESP + AIRMATIC | Yes |
| Hill Hold Assist | Yes + Downhill Speed Regulation | Yes |
| ISOFIX Child Seat Mounts | Yes | Yes |
| Rear Parking Camera | Yes - 360° | Yes - 360° |
| Rear Parking Sensors | Yes | Yes |
| TPMS (Tyre Pressure Monitoring System) | Yes | Yes |
Other Specifications |
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| Color Options | Polar WhiteObsidian BlackHight Tech SilverSelenite GreySodalith Blue | Pure GreyPrestine WhiteBengal RougeMunar MistCoorg CloudAndaman Adventure |
| Rating (out of 5) | 4.5 | 4.2 |
| Reviewer Name | Motoautiv Expert | Motoautiv Expert |
