Factory build sheet

2021 Kia RIO LX, S

Build 3KPA25AD-M · 1.6L 4cyl · Front-wheel drive · Hatchback

VIN positions 1 through 8 read 3KPA25AD and position 10 reads M. Those nine characters define this build. Position 9 and positions 11 through 17 differ on every car.

Every RIO whose VIN starts 3KPA25AD and carries M in position 10 left the plant with the same engine, transmission, drivetrain and equipment listed below. We know of 2,057 of them.

  • Decoded Jul 7, 2026
  • 2,057 known VINs
  • 16 listed for sale now

Factory specification

As filed by Kia with NHTSA for this build. Fields the filing does not record are left out entirely — a missing row means no recorded value, not a missing feature.

Engine

Displacement
1.6 L
Cylinders
4
Engine model
Gamma II
Engine manufacturer
KMC
Horsepower
120 hp
Fuel type
Gasoline

Drivetrain

Drive type
Front-wheel drive
Transmission
Continuously Variable Transmission (CVT)

Body & chassis

Body class
Hatchback/Liftback/Notchback
NHTSA body type
PASSENGER CAR
Doors
5
Seats
5
Seat rows
2
Manufacturer
KIA MEXICO S.A. DE C.V.

Weight rating

GVWR class
Class 1
GVWR
6,000 lb or less

Gross vehicle weight rating is the loaded ceiling set by the manufacturer, not the car's own weight.

Driver assistance, as built

  • Forward collision warning Standard

Systems the filing does not record are not listed above. Check the window sticker of the exact car before you rely on any single feature.

What this build asks today

Asking prices of live dealer listings decoded to this exact configuration — narrower than the trim-level figure, because every car counted here shares the same engine, transmission and drivetrain.

$13,996 median asking price · 21 listings · as of Aug 30, 2026

Low 2% of listings $11,720 Top 2% of listings $16,175

Compare every 2021 RIO trim and its price →

The same build, other model years

Kia used the VIN pattern 3KPA25AD for 4 model years. Nothing but the year changes between these pages, so the price gap between them is depreciation on an identical car.

How this VIN pattern is read

A 17-character VIN carries two kinds of information: what was built, and which one it is. This page is the first kind — the nine highlighted positions.

Positions Characters What they encode
1–3 3KP KIA MEXICO S.A. DE C.V. · World manufacturer identifier
4–8 A25AD Model, body style, engine and restraint system
9 × Check digit — computed per vehicle, not part of the build
10 M Model year — 2021
11 × Assembly plant
12–17 ×××××× Production sequence number, unique to each vehicle

2,057 vehicles carry this build

Every VIN we have decoded to 3KPA25AD-M shares the specification above.

  • 2,057 Known VINs
  • 16 Listed for sale now
  • 21 Priced listings
  • $13,996 Median asking

Cars are filed by a fixed rule based on the VIN, so a car never moves between groups.

Browse all 2,057 VINs of this build →

Neighboring configurations

Other factory configurations of the RIO, each with its own build sheet. The set is fixed by the VIN patterns themselves, so it does not shuffle as prices or inventory move.

Keep going

Where this data comes from

Specification fields are decoded from the manufacturer's filings in the NHTSA vPIC database, keyed on VIN positions 1–8 and 10. We publish the filed values as they stand and leave out anything the filing does not record.

Prices are asking prices from 21 live dealer listings decoded to this build , last updated August 30, 2026 . They are what sellers ask, not what buyers paid.

Vehicle counts come from the 2,057 VINs of this build we have seen in dealer inventory. They are a sample of the road population, not a production figure.