Head-To-Head Resale Comparison

BMW X3 vs Mercedes-Benz GLC: resale value, depreciation and costs

We compared 2,123 listing observations from the 2026 market cycle to see which model retains more value, costs less used, and brings the stronger ownership numbers.

The Short Answer

One market cycle, incomplete five-year evidence

Both models were observed in the 2026 market cycle, but at least one side does not include the five-year cohort required for a defensible smoothed retention score. CarResaleValue does not fill that gap with a synthetic rank. Use the shared model-year rows, used prices, fuel economy, repairs and safety evidence instead.

Comparison Scorecard

The numbers that change the decision

Green cells mark a measurable advantage, not an overall verdict. Price and coverage are shown without declaring a winner because the right tradeoff depends on your budget and the exact vehicle.

BMW X3 vs Mercedes-Benz GLC resale value and ownership metrics
MetricBMW X3Mercedes-Benz GLC
5-year value retainedSmoothed estimate in the 2026 market cycleNot availableNot available
5-year depreciationEstimated share of original value lostNot availableNot available
Average used asking priceMedian asking prices averaged across covered model years$15,459$17,775
Average original MSRPOriginal sticker prices averaged across covered years$47,547$47,826
Latest combined fuel economy2020 BMW X3 vs 2020 Mercedes-Benz GLC25 MPG24 MPG
Average annual repair costRepairPal model-level estimateNot availableNot available
RepairPal reliability ratingOut of 5.0Not availableNot available
Latest NHTSA overall rating2020 vs latest rated year5 / 5 starsNot available
Listing observationsEvidence behind the model-level curves1,158965

Year By Year

Compare overlapping model years

These 5shared model years make age-matched shopping easier. Depreciation compares each year's normalized asking price with its original MSRP.

Shared model-year depreciation and median asking prices for the BMW X3 and Mercedes-Benz GLC
Model yearBMW X3 depreciationBMW X3 median priceMercedes-Benz GLC depreciationMercedes-Benz GLC median price
202054.1%$21,25853.2%$22,988
201959.8%$18,23659.8%$19,128
201863.4%$17,72163.4%$17,298
201773.0%$12,95067.3%$15,640
201675.7%$11,59470.8%$13,822

Buyer Fit

Which one should you buy?

Start with the tradeoff you care about, then verify the exact year, trim, mileage and service history. A model-level advantage can disappear when two individual used cars are not equivalent.

Choose the BMW X3 if...

  • Its average median used asking price is $2,317 lower across the covered model years.
  • Fuel economy matters: the latest covered model year is rated at 25 MPG combined, 1 MPG higher.
  • You found a specific example with the stronger year, trim, mileage, condition or service history; those details can outweigh a model-level average.
Research every BMW X3 model year

Choose the Mercedes-Benz GLC if...

  • You are targeting one of the 3 shared model years where it posted lower measured depreciation than the BMW X3.
  • You found a specific example with the stronger year, trim, mileage, condition or service history; those details can outweigh a model-level average.
  • Its $17,775 average median asking price fits your budget after you check the same-year rows below.
Research every Mercedes-Benz GLC model year

Beyond The Score

How these models fit the used market

Resale value is only one part of the choice. Segment role, supply and the mix of years on sale help explain why two similarly priced vehicles can depreciate differently.

BMW X3

The BMW X3 is a compact luxury SUV whose values vary with drivetrain, engine, and M Sport equipment.

Market context: The observed window crosses the 2018 G01 generation change.

Mercedes-Benz GLC

The Mercedes-Benz GLC is a compact luxury SUV sold in standard, coupe-roof, and AMG configurations.

Market context: The cohort starts with the GLC's 2016 U.S. introduction.

Go Deeper

Open the full model-year research

Compare trims, mileage, recalls, fuel costs and current listing examples before deciding on one specific car.

Keep Comparing

See how the BMW X3 and Mercedes-Benz GLC stack up against other close alternatives using the same resale-value framework.

Frequently Asked Questions

Which holds its value better, the BMW X3 or Mercedes-Benz GLC?

Both models use the 2026 observation cycle, but at least one does not have the observed five-year cohort required for a model-level retention score. CarResaleValue therefore does not declare a five-year winner or extrapolate beyond the available evidence. Compare the overlapping model-year depreciation rows, asking prices, repair indicators, fuel economy and safety data, then verify the exact year, trim, mileage and condition in current local listings.

Is the BMW X3 or Mercedes-Benz GLC cheaper to buy used?

Across the model years in this dataset, the BMW X3 has the lower average median asking price at $15,459, about $2,317 below the Mercedes-Benz GLC average. That broad average is a starting point, not a like-for-like quote, because each model can have a different year range, trim mix and mileage distribution. The year-by-year table is the better place to compare vehicles of the same age before checking listings near you.

Which is less expensive to maintain, the BMW X3 or Mercedes-Benz GLC?

The available model data does not provide a complete annual repair-cost estimate for both vehicles, so this page does not name a maintenance-cost winner. Use the RepairPal ratings where shown, review recalls and complaints in each model-year guide, ask for service records, and budget for an independent pre-purchase inspection. Age, mileage, powertrain and previous maintenance usually matter more than a single broad reliability score.

How does CarResaleValue compare the BMW X3 and Mercedes-Benz GLC?

CarResaleValue normalizes observed used-car asking prices to a standard 12,000 miles per year, applies a 5% asking-to-sale adjustment, and compares the result with original MSRP references. A smoothed retention curve produces the five-year estimate when the data contains an observed five-year cohort. This page combines 2,123 listing observations across 11 model-year records, then adds EPA fuel economy, NHTSA safety data and RepairPal ownership indicators where available.

Comparison methodology

This page combines 2,123 listing observations across 11 model-year records. Asking prices are mileage-normalized to 12,000 miles per year, adjusted by a 5% asking-to-sale estimate, and compared with original MSRP references. Five-year figures use a smoothed curve only when an observed five-year cohort exists. EPA, NHTSA and RepairPal fields are shown independently and may cover different model years. Read the full CarResaleValue methodology. You can also browse the suv resale value ranking.