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BMW M550i xDrive vs Mercedes-Benz C63 AMG

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

Vehicles

BMW logo

2023 BMW M550i xDrive

Mercedes-Benz logo

2021 Mercedes-Benz C63 AMG

Overview

SpecBMW M550i xDriveM550i xDriveMercedes-Benz C63 AMGAMG C 63
Selected trimM550i xDriveAMG C 63
Body styleSedanSedan
Drivetrainall wheel driverear wheel drive
Fuel typepremium unleaded (required)premium unleaded (required)
Transmission8-speed shiftable automatic9-speed shiftable automatic
Engine typegasgas
Model year20232021

Pricing & market

SpecBMW M550i xDriveM550i xDriveMercedes-Benz C63 AMGAMG C 63
MSRP$79,900$68,600 (best)
For sale now00

Fuel economy & range

SpecBMW M550i xDriveM550i xDriveMercedes-Benz C63 AMGAMG C 63
Combined MPG20 MPG21 MPG (best)
City MPG17 MPG17 MPG
Highway MPG25 MPG26 MPG (best)
Fuel tank18 gal (best)17.4 gal

Performance

SpecBMW M550i xDriveM550i xDriveMercedes-Benz C63 AMGAMG C 63
Horsepower523 hp (best)469 hp
Torque553 lb-ft (best)479 lb-ft
Engine size4.4 L (best)4 L
CylindersV8V8

Size & capability

SpecBMW M550i xDriveM550i xDriveMercedes-Benz C63 AMGAMG C 63
Seating5 seats5 seats
Doors44
Cargo volume18.7 cu ft (best)12.6 cu ft
Payload855 lbs (best)
Curb weight4,383 lbs3,874 lbs (best)
Ground clearance5.2 in (best)3.6 in
Wheelbase117.1 in (best)111.8 in
Length196 in (best)187.2 in
Width73.5 in (best)72.4 in
Height57.8 in (best)56.1 in

Safety & recalls

SpecBMW M550i xDriveM550i xDriveMercedes-Benz C63 AMGAMG C 63
Open recalls (YMM scope)None reportedNone reported

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 M550i xDriveMercedes-Benz C63 AMG
1

M550i xDrive

$79,900 MSRP(Currently comparing)

AMG C 63

$68,600 MSRP(Currently comparing)

2

AMG C 63

$70,650 MSRP

3

AMG C 63

$78,000 MSRP

BMW M550i xDrive vs Mercedes-Benz C63 AMG FAQ

Which is better: 2023 BMW M550i xDrive or 2021 Mercedes-Benz C63 AMG?
It depends on priorities. OpenDealer compares 2023 BMW M550i xDrive vs 2021 Mercedes-Benz C63 AMG on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2023 BMW M550i xDrive or 2021 Mercedes-Benz C63 AMG?
Based on starting MSRP, the 2021 Mercedes-Benz C63 AMG starts lower at $68,600.
Which has better startingMsrp: 2023 BMW M550i xDrive or 2021 Mercedes-Benz C63 AMG?
The 2021 Mercedes-Benz C63 AMG leads on startingMsrp in this comparison (68,600).
Which has better combinedMpg: 2023 BMW M550i xDrive or 2021 Mercedes-Benz C63 AMG?
The 2021 Mercedes-Benz C63 AMG leads on combinedMpg in this comparison (21).
Which has better horsepower: 2023 BMW M550i xDrive or 2021 Mercedes-Benz C63 AMG?
The 2023 BMW M550i xDrive leads on horsepower in this comparison (523).