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Bentley Flying Spur vs Mercedes-Benz S63 AMG

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

Vehicles

Bentley logo

2026 Bentley Flying Spur

Mercedes-Benz logo

2021 Mercedes-Benz S63 AMG

Overview

SpecBentley Flying SpurAzureMercedes-Benz S63 AMGAMG S 63
Selected trimAzureAMG S 63
Body styleSedanCoupe
Drivetrainall wheel driveall wheel drive
Fuel typepremium unleaded (required)premium unleaded (required)
Transmission8-speed automatic9-speed shiftable automatic
Engine typehybridgas
Model year20262021

Pricing & market

SpecBentley Flying SpurAzureMercedes-Benz S63 AMGAMG S 63
MSRP$304,700$173,100 (best)
Lowest listing price$314,262 (best)—
Median listing price$314,262 (best)—
Highest listing price$314,262 (best)—
For sale now1 (best)0

Fuel economy & range

SpecBentley Flying SpurAzureMercedes-Benz S63 AMGAMG S 63
Combined MPG19 MPG19 MPG
City MPG—16 MPG (best)
Highway MPG—26 MPG (best)
Fuel tank21 gal21.1 gal (best)

Performance

SpecBentley Flying SpurAzureMercedes-Benz S63 AMGAMG S 63
Horsepower671 hp (best)603 hp
Torque686 lb-ft (best)664 lb-ft
Engine size4 L4 L
CylindersV8V8

Size & capability

SpecBentley Flying SpurAzureMercedes-Benz S63 AMGAMG S 63
Seating4 seats4 seats
Doors4 (best)2
Cargo volume—14.1 cu ft (best)
Curb weight5,833 lbs4,586 lbs (best)
Ground clearance—4.9 in (best)
Wheelbase126 in (best)115.9 in
Length209 in (best)198.9 in
Width78 in (best)74.8 in
Height58 in (best)56 in

Safety & recalls

SpecBentley Flying SpurAzureMercedes-Benz S63 AMGAMG S 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.

TrimBentley Flying SpurMercedes-Benz S63 AMG
1

Azure

$304,700 MSRP(Currently comparing)

AMG S 63

$173,100 MSRP(Currently comparing)

2

Speed

$318,300 MSRP

AMG S 63

$185,400 MSRP

3

Mulliner

$343,700 MSRP

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Live inventory

Bentley Flying Spur vs Mercedes-Benz S63 AMG FAQ

Which is better: 2026 Bentley Flying Spur or 2021 Mercedes-Benz S63 AMG?
It depends on priorities. OpenDealer compares 2026 Bentley Flying Spur vs 2021 Mercedes-Benz S63 AMG on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2026 Bentley Flying Spur or 2021 Mercedes-Benz S63 AMG?
Based on starting MSRP, the 2021 Mercedes-Benz S63 AMG starts lower at $173,100. Live Bentley Flying Spur listings start at $314,262.
Which has better startingMsrp: 2026 Bentley Flying Spur or 2021 Mercedes-Benz S63 AMG?
The 2021 Mercedes-Benz S63 AMG leads on startingMsrp in this comparison (173,100).
Which has better horsepower: 2026 Bentley Flying Spur or 2021 Mercedes-Benz S63 AMG?
The 2026 Bentley Flying Spur leads on horsepower in this comparison (771).
Which has better seats: 2026 Bentley Flying Spur or 2021 Mercedes-Benz S63 AMG?
The 2026 Bentley Flying Spur leads on seats in this comparison (5).