Is a High-Mileage Used Car Worth Buying in Canada? (2026)
Quick answer
A high-mileage used car is worth buying in Canada more often than the old 12,000-15,000 km/year rule suggests. At 10 years old, the typical car we track across Facebook Marketplace, Kijiji and AutoTrader already carries about 152,000 km, and by 15 years that typical figure is 200,000 km. Buy on the price-to-mileage math for that specific car's age, not a flat number. A 10-year-old car with 180,000 km priced right is a better deal than a low-mileage one priced for a number that was never realistic to begin with.
You found a car you like. The price looks right, the photos look clean, and then you get to the listing's mileage: 180,000 km, maybe 250,000, maybe north of 300,000. Every buying guide you've read says something like 12,000 to 15,000 km a year is normal, so now you're doing math in your head on the sidewalk and still not sure if the number in front of you is a steal or a reason to walk.
This page swaps that generic rule for what used cars on the market actually look like at every age, tells you when a high number is just a normal number for the car's age, and shows what CarSnag already does with that math before you ever have to run it yourself.
What is considered good mileage for a used car in Canada?
Good mileage is relative to the car's age, not a flat number, and the generic 12,000-15,000 km a year rule most buying guides repeat does not actually match what's on the market.
| Vehicle age | Typical mileage (km) |
|---|---|
| 1 year | 22,000 |
| 3 years | 55,000 |
| 5 years | 88,000 |
| 7 years | 114,000 |
| 10 years | 152,000 |
| 13 years | 183,000 |
| 16 years | 205,000 |
| 20 years | 219,000 |
Run that rule against our own numbers and it misses in both directions. At 5 years old the rule predicts 60,000 to 75,000 km; the typical car we track at that age already carries 88,000. At 10 years old the rule predicts 120,000 to 150,000 km; the typical car is at 152,000, just past the top of the range. Push out to 20 years and the rule flips the other way: it predicts 240,000 to 300,000 km, and the typical car we track that old sits at 219,000, well under what the rule assumes. People drive new cars harder than the rule assumes and old cars less than the rule assumes, which is exactly the kind of thing a flat per-year number can't capture.
Say you're cross-shopping two 2016-model-year crossovers, like a pair of Mitsubishi Outlanders, both 10 years old this year. One shows 90,000 km, the other 180,000 km. Against the old rule of thumb, the 90,000 km car looks like the safe pick and the 180,000 km one looks high. Against what's actually on the market at that age, both are inside the normal range: the typical 10-year-old car we track sits at 152,000 km, and the middle half runs from 114,000 to 193,000. The 180,000 km car isn't an outlier. It's a completely ordinary 10-year-old car.
The verdict: judge mileage against the car's age using real numbers, not a flat km-per-year rule that undercounts newer cars and overcounts the oldest ones.
Is 300,000 km too much for a car?
Not by itself, no. 300,000 km and up shows up constantly on an older car and almost never on a newer one, so the number only means something once you know the car's age.
About 4% of the active listings we track are already past the 300,000 km mark, and the typical one of those is 18 years old. A quarter of that same 300,000-km-plus group are on cars 14 years old or younger, which is the slice actually worth a second look, cars that racked up that kind of distance unusually fast for their age.
Picture two different cars showing the same 310,000 km. An 18-year-old sedan with that reading sits almost exactly at the midpoint of the 300,000-km-plus group we track, so there's nothing unusual about it at all. A 5-year-old crossover like a Hyundai Kona with the same 310,000 km would mean averaging over 60,000 km a year, more than three times the typical 5-year-old car's 88,000 km, and that's the version of "300,000 km" worth asking hard questions about before you buy.
The verdict: 300,000 km on an 18-year-old car is normal, 300,000 km on a car half that age is the real red flag, age is the context that makes the number mean anything at all.
Does mileage matter when buying a used car?
Yes, mileage matters, mainly because the market has already priced it in, not because there's a hard number where a car stops being worth buying.
Look at 10-year-old cars we track. Split them at the midpoint mileage for that age, 154,000 km, and the lower-mileage half asks around $15,000 while the higher-mileage half asks around $10,900, a real gap of roughly $4,100 in what sellers are asking for the exact same age of car. That's the market doing the mileage math for you before you ever open the listing.
Take a 10-year-old car with high mileage priced like a low-mileage one, and that's the actual problem to watch for, not the odometer reading on its own. The same car priced like a high-mileage one, in that $10,900 range the data above shows is typical, is a fair deal, maybe even a better one, since you aren't paying for kilometres you aren't getting.
The verdict: mileage shows up in the price, not as a cutoff, so compare the discount to the mileage instead of ruling a car out on the odometer alone.
So is a high-mileage used car worth buying in Canada?
Often, yes, once you stop judging the number against a flat rule and start judging it against the car's actual age and price.
CarSnag was built by wholesalers with two decades of actually buying and selling cars, not by a team guessing at a km-per-year rule from a desk. Every match gets priced against real comparable listings in your own region, by trim and mileage band, not just model, so a 180,000 km crossover and a 90,000 km crossover of the same trim get compared to what's actually normal for each, not to the same flat number. That comes through as a single 0-5 star Deal Score on every match, so the mileage-versus-price math this page just walked through runs automatically instead of in your head on the sidewalk. If you're watching a specific high-mileage listing to see whether the price catches up to the mileage, full price history on every lead (Plus and Pro) and Pro's price-drop alerts show you if the seller's already moved once, so you aren't guessing whether there's more room to come down.
Pair this with checking the car's actual odometer reading for signs of tampering, since the mileage number this whole page is about is only useful if it's real, and with knowing how much to offer once you've decided the mileage is fine. If the seller feels less like a private party and more like someone running a lot, our guide to spotting an unlicensed dealer covers that separately, and if the ad mentions a storm or a write-off our hail-damage guide walks through that math too. CarSnag watches Facebook Marketplace, Kijiji and AutoTrader in one feed, with nothing to install and nothing to leave open, and your first month of Pro is free with no commitment. More buying guides like this one cover the rest of the pre-purchase checklist.
The verdict: a high-mileage used car is worth buying when the price already reflects the mileage for that car's age, and the only way to know that for sure is to check the age-adjusted number, not the raw one.
About the data: the listing figures in this post come from CarSnag's own index of Facebook Marketplace, Kijiji and AutoTrader car listings across Canada, which we scan around the clock. Figures are rounded.
Live version: see what used cars are asking across Canada right now, how many sellers are cutting their price, and which models are underpriced most often, on the All of Canada used car market page. It is rebuilt every hour from the same index.
Frequently asked questions
- What is considered good mileage for a used car in Canada?
- Good mileage depends entirely on the car's age, not a flat number. In our own listing data, the typical 10-year-old car already carries about 152,000 km and a 15-year-old about 200,000 km, both well past the old 12,000-15,000 km a year rule most buying guides still repeat. CarSnag's Deal Score prices every match against real comparable listings in your own region by trim and mileage, so you see whether a specific car's mileage is actually high for its age instead of guessing against an outdated rule.
- Is 300,000 km too much for a car?
- Not automatically, it depends on the car's age and how it was maintained. About 4% of the active listings we track are already past 300,000 km, and the typical one is 18 years old, so a high number on an old car is normal, not alarming. CarSnag flags every match's mileage against comps in your region by trim before you ever message the seller, so a 300,000 km listing shows up as priced fairly or not, rather than as a number to panic over.
- Does mileage matter when buying a used car?
- Yes, but mostly through price, not through a hard cutoff. Among 10-year-old cars we track, the half with lower mileage asks around $15,000 and the half with higher mileage asks around $10,900, so the market already discounts higher mileage by thousands of dollars on its own. CarSnag's Deal Score builds that same mileage-against-comps math into a single 0-5 star rating on every match, so you don't have to run it yourself.
- Is 70,000 km a lot for a used car?
- Only if the car is very new. In our data a 1-year-old car has a typical mileage around 22,000 km, but by 3 years old that typical figure is already 55,000 km, so 70,000 km on anything 3 years or older is unremarkable. CarSnag shows you the real comparable listings for that exact year, make, model and trim so you can judge a specific number instead of a rule of thumb, and your first month of Pro is free.
- How much mileage is too much when buying a used car?
- There's no single number, since what's normal nearly triples between a 5-year-old and a 20-year-old car in our own data, and too much mileage really just means mileage that is not reflected in the price. A car priced like a low-mileage example but carrying a high-mileage reading for its age is the real red flag, not the odometer by itself. CarSnag's Deal Score already weighs mileage against real regional comps by trim on every match, built by wholesalers who've been pricing cars this way for two decades, so too much becomes a number you can see instead of a guess.
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Built by wholesalers with two decades in the trade. CarSnag watches Facebook Marketplace, Kijiji and AutoTrader together, prices every listing by year, make, model and trim against your own region, and pushes the ones under market with a 0-5 star Deal Score. It runs on our servers, so there is nothing to keep open. First month free.
