This design is inspired by the TATA Sierra. All visuals and concepts have been created by Aparnathi.
Sierra Off-Road Edition – APARNATHI Build ⭐
Vehicle Modification Sheet | Category | Modification | Details / Purpose |
|---|
| Front Protection | Heavy-duty metal bumper | Off-road impact protection + better approach angle |
| Electric winch with tow hooks | Recovery during mud/sand/off-road situations |
| Metal skid plate | Engine & gearbox protection from rocks |
| Lighting | Roof mounted LED light bar | Night trail visibility |
| Auxiliary bumper LEDs | Fog, trail & low-light driving support |
| Amber DRL / marker lights | Adventure styling + visibility |
| Body Styling | Wide fender flares (bolt-on) | Bigger tyres fitment + rugged look |
| Custom hood with vents | Heat extraction + sporty appearance |
| Matte black hood panel | Contrast design theme |
| Suspension & Wheels | Lifted suspension setup | Higher ground clearance |
| Heavy off-road tyres (MT pattern) | Mud, rock & trail grip |
| Beadlock-style alloy wheels | Low-pressure off-road driving support |
| Side Protection | Metal rock sliders / side steps | Body protection from rocks |
| Roof Setup | Expedition roof rack | Cargo carrying capacity |
| Storage boxes on rack | Long trip gear storage |
| Mounted shovel / tools | Overlanding utility equipment |
| Side awning tent roll | Camping shade / rain shelter |
| Snorkel System | Raised air intake snorkel | Water wading & dust protection |
| Rear Setup | External jerry can holder | Extra fuel for long trips |
| Rear storage mounts | Expedition accessories carrying |
| Branding & Theme | Custom APARNATHI branding | Personalized build identity |
| Yellow + black adventure theme | High-visibility expedition styling |
| Underglow / Accent | Amber underbody lights | Night visibility + show build effect |
Vehicle Modification Size Sheet
| Category | Modification | Approx Size / Spec | Notes |
|---|
| Front Bumper | Heavy duty metal bumper | Width: ~1850–1950 mm | Full-width off-road bumper |
| Winch unit | 9,500–12,000 lb size (24–28 cm drum) | Standard SUV recovery winch |
| Tow hooks | 20–25 mm shackle mounts | Rated recovery points |
| Skid plate | Thickness: 4–6 mm steel | Engine protection plate |
| Lighting | Roof LED bar | 40–50 inch (~100–127 cm) | High power trail light |
| Bumper auxiliary LEDs | 3–4 inch pods | Fog / trail illumination |
| Marker / DRL strip | 25–40 cm each side | Styling + visibility |
| Hood | Vent openings | 20–35 cm each | Heat extraction vents |
| Hood black panel | ~60–80% hood coverage | Contrast styling |
| Fender Flares | Bolt-on wide flares | Extension: 50–80 mm | For wide tyres |
| Tyres | Off-road MT tyres | 33”–35” diameter (285–315 mm width) | Trail optimized |
| Wheels | Alloy wheels | 17”–18” rim size | Beadlock style |
| Suspension Lift | Lift kit | +50 to +90 mm lift | Increased ground clearance |
| Side Steps | Rock sliders | Length: ~1700–1800 mm | Chassis mounted protection |
| Snorkel | Raised intake | Height: roof level (~1.7–1.9 m from ground) | Water wading safe |
| Roof Rack | Expedition rack | ~1400 x 1200 mm platform | Cargo storage |
| Roof storage boxes | ~60–80 cm each | Travel gear cases |
| Awning roll | ~2.0–2.5 meter | Camping shade |
| Tool mount (shovel etc.) | ~80–100 cm tool length | Overland equipment |
| Rear Setup | Jerry can holder | 20L–40L can size | Extra fuel range |
| Underglow lights | Accent strips | 30–50 cm per side | Visibility + styling |
ENGINEERING SPEC SHEET
| System | Spec | Approx Value | Engineering Notes |
|---|
| Wheel Size | Rim diameter | 17–18 inch | Best for off-road tyre flex |
| Tyre Size | MT tyres | 285/70R17 – 315/70R17 | 33–35 inch tyre class |
| Wheel Offset | Negative offset | -10 to -25 mm | Stability + wider stance |
| Bolt Pattern | Hub PCD | 6x139.7 mm (typical SUV spec) | Heavy-duty stud layout |
| Wheel Stud Size | Bolt size | M12 x 1.5 or M14 x 1.5 | High load rated studs |
| Suspension Lift | Lift height | +50 mm to +90 mm | Trail capable geometry |
| Suspension Travel | Wheel travel | 220–260 mm | Off-road articulation range |
| Shock Type | Long travel gas shocks | 2–2.5 inch body | Heat resistant damping |
| Spring Rate | Heavy duty coils | +20–30% stiffer | Supports rack + gear load |
| Steering Angle | Max turn angle | ~34°–38° | After wide tyre install |
| Ground Clearance | Post lift clearance | 260–310 mm | Rock crawling capable |
| Approach Angle | Front clearance angle | ~36°–42° | Metal bumper improves |
| Departure Angle | Rear clearance angle | ~30°–35° | Depends rear mounts |
| Winch Mount Bolts | Winch mounting | M10–M12 grade 8.8+ | High tensile required |
| Bumper Mount Bolts | Chassis mount bolts | M12–M14 grade 10.9 | Structural mounting |
| Rock Slider Mount | Frame mounting | 4–6 points per side | Load bearing weld/bolt |
PORTFOLIO BUILD BLUEPRINT SHEET
| Area | Dimension | Portfolio Note |
|---|
| Vehicle Width (stock) | ~1850 mm | Base reference |
| Width after wide kit | ~1950–2050 mm | Aggressive stance |
| Total Height (rack + tyres) | ~1950–2100 mm | Expedition profile |
| Wheelbase (typical SUV) | ~2750–2850 mm | Stability base |
| Tyre Diameter | ~840–890 mm | Trail optimized |
| Roof Rack Platform | ~1400 x 1200 mm | Expedition cargo zone |
| Side Step Length | ~1750 mm | Full door coverage |
| Front Bumper Projection | +90–130 mm | Winch integration space |
| Snorkel Height | Roof level intake | Water wading safe |
| Underbody Clearance | ~280 mm avg | Post-lift spec |
| Light Bar Width | ~1100–1250 mm | Full roof span |
| Awning Length | ~2.0–2.5 meter | Camping usability |
COMPLETE BUILD COST SHEET (India Estimate)
Base Vehicle Cost
| Item | Cost (₹) |
|---|
| Tata Sierra estimated base price | ₹11,00,000 – ₹13,00,000 |
| Registration + insurance approx | ₹1,20,000 |
| Base vehicle on-road | ₹12,20,000 – ₹14,20,000 |
Modification Cost Sheet
Protection & Recovery
| Modification | Estimated Cost (₹) |
|---|
| Heavy metal off-road bumper | 45,000 – 70,000 |
| Electric winch (12k lb) | 35,000 – 65,000 |
| Skid plate set | 18,000 – 30,000 |
| Tow hooks + mounts | 6,000 – 10,000 |
| Subtotal | 1,04,000 – 1,75,000 |
Lighting System
| Modification | Cost (₹) |
|---|
| Roof LED light bar | 12,000 – 25,000 |
| Auxiliary fog LEDs | 8,000 – 18,000 |
| DRL / marker lights | 4,000 – 8,000 |
| Wiring & switches | 5,000 – 10,000 |
| Subtotal | 29,000 – 61,000 |
Wheels, Tyres & Suspension
| Modification | Cost (₹) |
|---|
| Off-road MT tyres (set of 4–5) | 70,000 – 1,20,000 |
| Alloy wheels beadlock style | 45,000 – 90,000 |
| Suspension lift kit | 45,000 – 85,000 |
| Heavy duty shocks | 35,000 – 60,000 |
| Wheel spacers / alignment | 8,000 – 15,000 |
| Subtotal | 2,03,000 – 3,70,000 |
Expedition Equipment
| Modification | Cost (₹) |
|---|
| Roof rack heavy duty | 30,000 – 55,000 |
| Storage boxes | 15,000 – 30,000 |
| Side awning | 18,000 – 35,000 |
| Tool mounts + shovel | 5,000 – 12,000 |
| Jerry can + holder | 8,000 – 15,000 |
| Subtotal | 76,000 – 1,47,000 |
Body Styling & Exterior
| Modification | Cost (₹) |
|---|
| Wide body kit / flares | 35,000 – 70,000 |
| Custom hood mods | 18,000 – 40,000 |
| Matte wrap / paint theme | 55,000 – 1,20,000 |
| Branding & decals | 6,000 – 12,000 |
| Subtotal | 1,14,000 – 2,42,000 |
Functional Add-ons
| Modification | Cost (₹) |
|---|
| Snorkel system | 12,000 – 22,000 |
| Rock sliders | 18,000 – 35,000 |
| Underglow lights | 6,000 – 12,000 |
| Electrical integration | 10,000 – 20,000 |
| Subtotal | 46,000 – 89,000 |
TOTAL BUILD COST
| Category | Cost Range (₹) |
|---|
| Base vehicle on-road | 12.2L – 14.2L |
| All modifications total | 5.72L – 9.84L |
| FINAL BUILD COST | ₹17.9L – ₹24.0L approx |
Disclaimer:
This design concept is inspired by the Tata Sierra. All design elements, modifications, branding, and visual representations have been independently created by Aparnathi and are not affiliated with, endorsed by, or officially connected to Tata Motors or any of its subsidiaries. This project is purely a conceptual and creative work intended for design and portfolio purposes only.
If you like this design, modifications, or colour, please leave a comment. Your feedback motivates us to create more unique builds.
📌 Published by: HardikXTech
HardikXTech – Driving the Future of Tech & Automobiles🚗⚡
