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BMW X5 vs Mercedes-Benz GLC63 S

Side-by-side comparison from manufacturer specifications, NHTSA safety data, and live dealer listings.

Vehicles

BMW logo

2026 BMW X5

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Mercedes-Benz logo

2021 Mercedes-Benz GLC63 S

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Overview

SpecBMW X5sDrive40iMercedes-Benz GLC63 SAMG GLC 63 S
Selected trimsDrive40iAMG GLC 63 S
Body styleSUVSUV
Drivetrainrear wheel driveall wheel drive
Fuel typepremium unleaded (required)premium unleaded (required)
Transmission8-speed shiftable automatic9-speed shiftable automatic
Engine typemild hybridgas
Model year20262021

Pricing & market

SpecBMW X5sDrive40iMercedes-Benz GLC63 SAMG GLC 63 S
MSRP$68,300 (best)$84,500
Lowest listing price$10,895 (best)—
Median listing price$79,175 (best)—
Highest listing price$111,850 (best)—
For sale now219 (best)0

Fuel economy & range

SpecBMW X5sDrive40iMercedes-Benz GLC63 SAMG GLC 63 S
Combined MPG25 MPG (best)17 MPG
City MPG23 MPG (best)15 MPG
Highway MPG27 MPG (best)22 MPG
Fuel tank21.9 gal (best)17.4 gal

Performance

SpecBMW X5sDrive40iMercedes-Benz GLC63 SAMG GLC 63 S
Horsepower375 hp503 hp (best)
Torque398 lb-ft516 lb-ft (best)
Engine size3 L4 L (best)
CylindersI6V8

Size & capability

SpecBMW X5sDrive40iMercedes-Benz GLC63 SAMG GLC 63 S
Seating5 seats5 seats
Doors45 (best)
Cargo volume72.3 cu ft (best)36.1 cu ft
Towing capacity5,952 lbs (best)3,500 lbs
Payload1,054 lbs (best)—
Curb weight4,919 lbs4,586 lbs (best)
Ground clearance8.3 in (best)6.4 in
Wheelbase117.1 in (best)113.1 in
Length194.2 in (best)186.9 in
Width78.9 in (best)76 in
Height69.1 in (best)62.4 in

Safety & recalls

SpecBMW X5sDrive40iMercedes-Benz GLC63 SAMG GLC 63 S
NHTSA overallNot Rated—
Frontal crash (driver)4 / 5 ★ (best)—
Frontal crash (passenger)4 / 5 ★ (best)—
Side crash (driver)5 / 5 ★ (best)—
Side crash (passenger)5 / 5 ★ (best)—
Side pole5 / 5 ★ (best)—
RolloverNot Rated—
Open recalls (YMM scope)2None reported (best)

Highlighted values indicate the better figure for that spec when a clear winner exists. Specs reflect the selected trim for each vehicle. Drag a vehicle header to reorder columns. MSRP and specifications are manufacturer data; listing prices and inventory come from live dealer listings. Safety ratings are from NHTSA.

Trim overview

All available trims with MSRP. The trim selected above is highlighted; comparison specs use that selection.

TrimBMW X5Mercedes-Benz GLC63 S
1

sDrive40i

$68,300 MSRP(Currently comparing)

AMG GLC 63 S

$84,500 MSRP(Currently comparing)

2

xDrive40i

$70,600 MSRP

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3

xDrive50e

$76,000 MSRP

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4

M60i

$93,600 MSRP

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5

Competition

$131,000 MSRP

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Live inventory

BMW X5 vs Mercedes-Benz GLC63 S FAQ

Which is better: 2026 BMW X5 or 2021 Mercedes-Benz GLC63 S?
It depends on priorities. OpenDealer compares 2026 BMW X5 vs 2021 Mercedes-Benz GLC63 S on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2026 BMW X5 or 2021 Mercedes-Benz GLC63 S?
Based on starting MSRP, the 2026 BMW X5 starts lower at $68,300. Live BMW X5 listings start at $10,895.
Which has better startingMsrp: 2026 BMW X5 or 2021 Mercedes-Benz GLC63 S?
The 2026 BMW X5 leads on startingMsrp in this comparison (68,300).
Which has better combinedMpg: 2026 BMW X5 or 2021 Mercedes-Benz GLC63 S?
The 2026 BMW X5 leads on combinedMpg in this comparison (25).
Which has better electricRangeMi: 2026 BMW X5 or 2021 Mercedes-Benz GLC63 S?
The 2026 BMW X5 leads on electricRangeMi in this comparison (40).
Which has better horsepower: 2026 BMW X5 or 2021 Mercedes-Benz GLC63 S?
The 2026 BMW X5 leads on horsepower in this comparison (617).
Which has better maxTowingLbs: 2026 BMW X5 or 2021 Mercedes-Benz GLC63 S?
The 2026 BMW X5 leads on maxTowingLbs in this comparison (7,209).
How do the NHTSA safety ratings compare for 2026 BMW X5 vs 2021 Mercedes-Benz GLC63 S?
NHTSA overall crash-test ratings in this comparison: BMW X5 (Not Rated/5 NHTSA overall).