How to Check Car Manufacturing Date by Chassis Number

To check your car manufacturing date by chassis number, inspect the 10th character of the 17-digit VIN to identify the model year, then locate the brand-specific month character in the vehicle serial sequence. While the 10th character follows the universal ISO 3779 standard, production month positions vary by manufacturer across Tata, Maruti Suzuki, Hyundai, and Mahindra.

Dealers sometimes sell cars that have sat in the stockyard for months. The chassis stamp is the one record they can't change. Decode the VIN on the metal before you sign, and you'll know if it's fresh stock or if you have grounds to negotiate.

How to Check Manufacturing Date from Chassis Number

Every passenger vehicle manufactured since 1981 carries a unique 17-character alphanumeric identification string commonly termed the chassis number or VIN. Decoding this code enables you to determine the production window without relying exclusively on dealer verbal claims:

1. Locate the 17-digit chassis number: Find the stamped code on your vehicle's metal frame, engine bay firewall, or registration documentation.
2. Extract the 10th character: This character indicates the model year code according to the international standard cycle (for example, T corresponds to 2026, S to 2025, and R to 2024). Consult our detailed VIN 10th character year chart for complete code mappings from 1980 through 2030.
3. Identify the manufacturing month: Read the character owners report for your maker (position 12 on Tata Motors vehicles, position 11 or 12 on Maruti Suzuki models) for a likely month, then confirm it on Form 22 or the RC.
4. Verify online instantly: Run the full chassis number through our free Car Manufacturing Date by VIN tool to validate the factory specifications, plant origin, and production timing.

The 17-Character VIN Anatomy: Model Year vs. Production Month

A vehicle identification number is divided into three distinct standardized sections defined by ISO 3779 and Bureau of Indian Standards (BIS) automotive guidelines:

• World Manufacturer Identifier (WMI) (Positions 1–3): Identifies the country of origin and the assembly brand (e.g., MAT for Tata Motors India, MA3 or MBH for Maruti Suzuki India, MAL for Hyundai Motor India).
• Vehicle Descriptor Section (VDS) (Positions 4–9): Specifies body type, engine architecture, transmission, braking system, and a calculated mathematical check digit at position 9.
• Vehicle Identifier Section (VIS) (Positions 10–17): Encodes the model year at position 10, the assembly plant identifier at position 11, followed by sequential serial production digits.

Brand-Specific Decoding: Tata, Maruti Suzuki, and Hyundai

Because production month encoding isn't governed by a single global standard, each maker uses its own pattern, and none of the three below publishes it. The table summarises what owners and dealers commonly report. Treat it as a clue and confirm the month on Form 22 or the RC:

For a complete breakdown of month codes and chassis stamping variations for individual models like the Nexon, Swift, or Creta, refer to our brand-specific walkthroughs linked above.

Where to Physically Find Your Vehicle Chassis Stamp

Automotive manufacturers stamp the chassis identifier in several tamper-evident locations across the vehicle body shell:

1. Driver or Passenger Seat Crossmember: On many Indian-market hatchbacks and SUVs (including Tata Nexon, Punch, and Hyundai Creta), lifting a small carpet flap beneath the driver or co-driver seat reveals the stamped metal chassis number.
2. Engine Bay Firewall: Stamped directly into the structural sheet metal separating the cabin from the engine compartment, typically centered or towards the driver side.
3. B-Pillar Compliance Sticker: A black-and-silver foil label located on the driver-side door jamb stating the gross vehicle weight, VIN, and frequently the explicit calendar build month and year.
4. Lower Windshield Corner: Visible from outside the vehicle through a transparent aperture at the bottom-left corner of the front windscreen.

Cross-Verifying with Form 22 and Parivahan Registration

Never rely solely on a verbal statement from a salesperson. When inspecting a new vehicle before registration, demand the following factory documents:

• Form 22 (Initial Certificate of Compliance with Pollution Standards and Roadworthiness): Issued directly by the car manufacturer to the dealer. Page 1 explicitly lists the engine number, chassis number, and the exact month and year of manufacture.
• Tax Invoice & Factory Gate Pass: Shows the date when the vehicle rolled off the assembly line and was dispatched to the regional stockyard.
• Parivahan Registration Record: Once registered, the Parivahan database records the vehicle's manufacturing month and year. You can confirm registration particulars through our online RC verification guide.

Why Manufacturing Date is Critical Before PDI Delivery

Auditing the vehicle's manufacturing date is a useful part of your pre-delivery inspection (PDI). If a showroom unit has been in inventory for a longer period, ask the dealer how it was stored and inspect condition-sensitive items before deciding whether to accept it.

• Auxiliary Battery Degradation: Idle lead-acid batteries discharge continuously, leading to premature plate sulfation.
• Tyre Flat-Spotting & Weathering: Tyres remaining stationary under curb weight for extended periods can develop flat spots and surface rubber hardening.
• Resale Valuation Loss: When selling your car in future years, buyers and valuation algorithms calculate depreciation based on the manufacturing year rather than the registration date.

If your car has an older build date, consult our detailed analysis on buying a new car with an old manufacturing date to negotiate fair warranty extensions and price concessions. Buying a scooter or motorcycle instead? Our guide to bike manufacturing date by chassis number covers two-wheeler frame stamps.