The Tata Sierra and Curvv are both midsize SUVs that are positioned quite differently in Tata's line-up. The Curvv coupe-SUV is built on the modified ATLAS platform, which in turn is a modified version of the Nexon's X1 platform. On the other hand, the Sierra is built on a new ARGOS platform that's positioned above the ATLAS, gets a traditional SUV look and larger dimensions. Both get an identical diesel engine, but come with different petrol engines altogether. We pit the mid-level Adventure+ trim of the Sierra against the top Accomplished+ A trim of the Curvv – since their prices overlap – and help you decide which of the two offers better value.
Tata Sierra mid trim vs Tata Curvv top trim: Dimensions
Sierra is bigger in most dimensions.
Tata Sierra mid trim vs Tata Curvv top trim: Dimensions | ||
|---|---|---|
Tata Sierra Adventure + | Tata Curvv Accomplished+ A | |
Length (mm) | 4340 | 4308 |
Width (mm) | 1841 | 1810 |
Height (mm) | 1715 | 1630 |
Wheelbase (mm) | 2730 | 2560 |
Ground clearance (mm) | 205 | 208 |
Boot space (litres) | 622 | 500 |
The Sierra, with its traditional SUV stance, is longer, wider, taller, gets a 130mm longer wheelbase and a 122-litre larger boot than the Curvv. Meanwhile, the Curvv's ground clearance is 3mm more, at 208mm, than the Sierra.
Tata Sierra mid trim vs Tata Curvv top trim: Specifications
Curvv top trim skips the naturally aspirated petrol engine.
Tata Sierra mid trim vs Tata Curvv top trim: Engine specifications | ||
|---|---|---|
Tata Sierra Adventure + | Tata Curvv Accomplished+ A | |
Engine | 1.5-litre petrol | 1.5-litre turbo-petrol | 1.5-litre diesel | 1.2-litre turbo-petrol | 1.5-litre petrol |
Power (hp) | 106 | 160 | 118 | 125 | 118 |
Torque (Nm) | 145 | 255 | 260 (280 AT) | 225 | 260 |
Transmission | 6MT/7DCT | 6AT | 6MT/6AT | 6MT/7DCT | 6MT/7DCT |
Both SUVs share the same 1.5-litre diesel engine, albeit the Sierra’s diesel is paired to a torque converter while the Curvv's is paired with a DCT. Both also feature the Hyperion series of turbo-petrol engines, but the Sierra’s unit delivers substantially more power and torque figures on account of its higher displacement. While all the engine configurations of the Curvv and Sierra can be paired with either manual or automatic gearboxes, the Sierra’s turbo petrol is sold only with an automatic transmission. Notably, the Curvv's engines are paired to DCT gearboxes, while the Sierra's engines are mated to a torque converter automatic.
Tata Sierra mid trim vs Tata Curvv top trim: Exterior
Both are evenly matched when it comes to exterior features.
Tata Sierra mid trim vs Tata Curvv top trim: Exterior | ||
|---|---|---|
Tata Sierra Adventure + | Tata Curvv Accomplished+ A | |
Headlights | Automatic LED | Automatic LED |
Tail-lights | LED | LED |
DRLs | Yes | Yes |
Front fog lamps | LED | LED |
Wheels | 17-inch / 18-inch | 18-inch |
Door handles | Flush type | Flush type |
Electric adjust/fold ORVMs | Yes | Yes |
Roof rails | Yes | No |
Sharkfin antenna | Yes | Yes |
Colour | Monotone | Monotone and Dual tone |
On the outside, both models feature similar equipment, but the Sierra's Adventure+ trim is also sold with 17-inch alloys with the naturally aspirated engine, thus lending it better ride quality. The Curvv’s top trim can be had with monotone and dual-tone paint options, while the Sierra only gets the former option.
Tata Sierra mid trim vs Tata Curvv top trim: Interior and features
Curvv gets more feel-good features, but Sierra gets more convenience features.
Tata Sierra mid trim vs Tata Curvv top trim: Interior and features | ||
|---|---|---|
Tata Sierra Adventure+ | Tata Curvv Accomplished+ A | |
Infotainment screen | 12.3-inch | 12.3-inch |
Driver’s display | 10.25-inch | 10.25-inch |
Front seat ventilation | No | Yes |
Powered driver seat | No | Yes |
Android Auto, Apple CarPlay | Wireless | Wireless |
Audio system | 8 speaker | JBL 9-speaker system |
Sunroof | Panoramic | Panoramic |
Boss mode (front passenger seat) | Yes | No |
Extendable under-thigh support | Front seats only | No |
Rear-seat recline | Yes | Yes |
Climate control | Dual-zone | Dual-zone |
Air purifier | No | Yes |
Seat upholstery | Fabric | Leatherette |
Wireless phone charger | No | Yes |
Rear sunshade | Yes | Yes |
Ambient lighting | Yes | Yes |
Front centre armrest | Yes | Yes |
Rear centre armrest | Yes | Yes |
Front seat-back pockets | Yes | No |
Cooled glove box | Yes | Yes |
Push-button start/stop | Yes | Yes |
USB ports | 4x (Type-C) | 1x Type-A and Type-C |
Connected car tech | No | Yes |
Powered tailgate | No | Yes |
Both SUVs come feature-packed with similar screens for the infotainment and instrument cluster, panoramic sunroof, wireless Apple CarPlay and Android Auto and dual-zone climate control. But the Curvv Accomplished+ gets front seat ventilation, a powered driver's seat, a 9-speaker JBL sound system, a powered tailgate, connected car tech, leatherette upholstery, an air purifier and a wireless phone charger. However, the Sierra Adventure+ gets a manual boss mode, extended under-thigh support for the front seats and more USB ports with higher power output.
Tata Sierra mid trim vs Tata Curvv top trim: Driving Tech
Frequency-dependent damping and terrain modes only on the Sierra.
Tata Sierra mid trim vs Tata Curvv top trim: Driving tech | ||
|---|---|---|
Tata Sierra Adventure+ | Tata Curvv Accomplished+ A | |
Drive modes | City / Sport | Eco / City / Sport |
Terrain modes | Normal / Wet / Rough | - |
Cruise control | Standard | Adaptive |
Frequency-dependent-damping (FDD) | Yes | No |
In terms of driving-related tech, the Sierra goes ahead with terrain modes and frequency-dependent damping for its suspension. While both SUVs have driving modes, the Curvv gets an additional Eco mode, and adaptive cruise control.
Tata Sierra mid trim vs Tata Curvv top trim: Safety
Sierra Adventure+ misses out on Level 2 ADAS.
Tata Sierra mid trim vs Tata Curvv top trim: Driving tech | ||
|---|---|---|
Tata Sierra Adventure+ | Tata Curvv Accomplished+ A | |
Airbags | 6 | 6 |
ADAS | No | Level 2 |
Camera setup | 360-degree | 360-degree |
Blind view monitor | Yes | Yes |
Parking sensors | Front and rear | Rear only |
Electronic parking brake | Yes | Yes |
Disc brakes | Yes | Yes |
TPMS | Yes | Yes |
IRVM | Manual dimming | Auto-dimming |
Hill start assist | Yes | Yes |
Hill descent control | Yes | Yes |
ESC | Yes | Yes |
Rear occupant sensor | Yes | No |
Tata has equipped both the Sierra and Curvv with six airbags, ABS and EBD, ESC, hill start assist and hill descent control, while also fitting a 360-degree camera and blind view monitoring. However, the Curvv comes with a Level 2 ADAS suite and an auto-dimming IRVM, but the Sierra additionally gets parking sensors at the front.
Tata Sierra mid trim vs Tata Curvv top trim: Prices
Sierra’s Adventure+ trim is more affordable in most configurations.
Tata Sierra mid trim vs Tata Curvv top trim: Prices (in Rs lakh) | ||
|---|---|---|
Tata Sierra Adventure + | Tata Curvv Accomplished+ A | |
Petrol-MT | 15.99 | - |
Petrol-AT | 16.79 | - |
Turbo-petrol MT | - | 17.16 |
Turbo-petrol AT | 17.99 (torque converter) | 18.60 (DCT) |
Diesel-MT | 17.19 | 17.28 |
Diesel-AT | 18.49 (torque converter) | 18.73 (DCT) |
Sierra’s Adventure+ trim has a more affordable entry point. It is also available with a naturally aspirated petrol engine, while the Curvv gets it only on its lower trims. On the other hand, a turbo-petrol engine on the Curvv can be had with both manual and automatic transmissions, while the Sierra comes with the latter option solely.
Tata Sierra mid trim vs Tata Curvv top trim: Which one should you buy?
Sierra is the one to go for.
For most buyers, the Sierra Adventure+ trim is the better choice of the two. Not only does it offer a more accessible price point, thanks to its additional engine option, but its turbo-petrol unit also gets more grunt than the Curvv's turbo-petrol. Moreover, it has the most spacious rear seat in its class, an aspect that the Curvv doesn't do well at. While the Curvv clearly has an edge in terms of the equipment list, the Sierra's Adventure+ trim still gets most features, without a large compromise.