Model Year Diff
See exactly what changed between two model years of the same vehicle. Select a vehicle type, make, model, and two years to compare.
How to compare car model years
Wondering what changed on a car from one year to the next? Pick a make, model and two model years, and our tool diffs the specifications we hold for each year so the differences are easy to see — no spec sheets to line up by hand.
Choose the vehicle
Select a make and model — cars, motorcycles or power boats are all covered in our catalog.
Pick two model years
Compare any two years we have on record — for example a 2021 against a 2024 of the same model.
Read the model year differences
Changed specs are highlighted, unchanged ones stay quiet, so you spot the deltas in seconds.
What you get from a model year diff
A year-over-year comparison surfaces the catalog specifications that differ between two model years — including engine and powertrain details, body style, fuel type and drivetrain. It is the fast way to answer "what changed from year to year" before you buy used, weigh a newer trim, or check whether a cheaper previous-year model gives anything up. Spec changes between years are also a useful clue for where parts and fitments may diverge.
Coverage depends on the specifications recorded for each model year in our catalog, so some vehicles will show more detail than others.
Frequently asked questions
How do I compare two model years of the same car?
Choose the vehicle type, then the make and model, then select the two model years you want to compare. The tool lines up the specifications we hold for each year and highlights what changed, so you don't have to read two spec sheets side by side.
What changes does the model year diff show?
It compares the catalog specifications we track across model years — such as engine and powertrain, body style, fuel type and drivetrain. Specs that differ are flagged as changed; the rest are listed as unchanged so you can confirm what stayed the same.
Why do some model years show no differences?
When two model years carry the same recorded specifications, there is nothing to flag and the tool reports no changes. That usually means the tracked specs were carried over between those years, or that our catalog holds the same data for both.
Which vehicles can I compare year over year?
You can diff model years for cars, motorcycles and power boats in our catalog. Available years vary by model, and only years we have data for appear in the year selectors.
Is the model year comparison tool free?
Yes. Comparing model years is free and requires no account. Creating a free account lets you save vehicles to your lists and pull the same specifications through our API and MCP server.
Should I use this to compare two different models?
The model year diff is built for two years of the same model. To compare different vehicles against each other — say two makes or two models — use the comparison tool instead, which puts full specs side by side.