CarSignal · Used car prices · Mercedes-Benz · 2021 Mercedes-Benz GLS
Used price benchmark · Canada

2021 Mercedes-Benz GLS price in Canada: $70,000 median

Based on live Canadian market data · Data as of July 2026

Median asking price
$70,000
Typical range (p25–p75)
$61,995$79,900
Median mileage
98,500 km
Deals flagged, last 90 days
7

The median 2021 GLS in the Canadian market sits at $70,000. Most of what's listed lands between $61,995 and $79,900, so that near-$18,000 spread is your real negotiating room. Anything under $62,000 is worth a hard look at why it's priced low, and anything past $80,000 needs to justify itself on condition or equipment.

The typical car on the market has around 98,500 km on it. That's the yardstick to measure any listing against. A GLS showing well below that number, priced at the median, is leaning in your favour.

What the odometer costs you

Mileage moves the needle by about $1,606 for every 10,000 km. Put concrete numbers on it. Two GLS models otherwise alike, one at 70,000 km and one at 130,000 km, and the higher-mileage car should run you roughly $9,600 less. If it doesn't, the seller is charging you for kilometres you'll never get back.

Use that rate as a checksum. Take a listing's distance, compare it to the 98,500 km median, and adjust the price up or down at $1,606 per 10,000 km. If the asking price doesn't move the way the odometer says it should, that gap is either your discount or your walk-away.

We flagged 7 deals on the 2021 GLS in the last 90 days, so cars priced below where the market says they should be do surface. Patience pays here. Set your target near the low end of the $61,995 to $79,900 band, factor in the mileage math, and let a genuine one come to you.

30,000 km 197,000 km $92,616 $47,017 Expected asking price by mileage

Numbers reflect live listings across Canada over the last 90 days, filtered for outliers. Data as of . Prices in CAD.

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