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BMW M4 vs Mercedes-Benz SL43 AMG

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

Vehicles

BMW logo

2027 BMW M4

Mercedes-Benz logo

2027 Mercedes-Benz SL43 AMG

Overview

SpecBMW M4CoupeMercedes-Benz SL43 AMGAMG SL 43
Selected trimCoupeAMG SL 43
Body styleCoupeConvertible
Drivetrainrear wheel driverear wheel drive
Fuel typepremium unleaded (required)premium unleaded (required)
Transmission6-speed manual9-speed shiftable automatic
Engine typegasmild hybrid
Model year20272027

Pricing & market

SpecBMW M4CoupeMercedes-Benz SL43 AMGAMG SL 43
MSRP$82,200 (best)$114,900
Lowest listing price$93,537 (best)—
Median listing price$100,365 (best)—
Highest listing price$107,192 (best)—
For sale now2 (best)0

Fuel economy & range

SpecBMW M4CoupeMercedes-Benz SL43 AMGAMG SL 43
Combined MPG19 MPG22 MPG (best)
City MPG16 MPG19 MPG (best)
Highway MPG23 MPG27 MPG (best)
Fuel tank15.6 gal18.5 gal (best)

Performance

SpecBMW M4CoupeMercedes-Benz SL43 AMGAMG SL 43
Horsepower473 hp (best)416 hp
Torque406 lb-ft (best)369 lb-ft
Engine size3 L (best)2 L
CylindersI6I4

Size & capability

SpecBMW M4CoupeMercedes-Benz SL43 AMGAMG SL 43
Seating4 seats4 seats
Doors22
Cargo volume15.5 cu ft (best)7.5 cu ft
Payload769 lbs (best)—
Curb weight3,829 lbs (best)4,012 lbs
Ground clearance4.7 in (best)—
Wheelbase112.5 in (best)106.3 in
Length189.1 in (best)185.2 in
Width74.3 in75.4 in (best)
Height55 in (best)53.5 in

Safety & recalls

SpecBMW M4CoupeMercedes-Benz SL43 AMGAMG SL 43
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 M4Mercedes-Benz SL43 AMG
1

Coupe

$82,200 MSRP(Currently comparing)

AMG SL 43

$114,900 MSRP(Currently comparing)

2

Competition

$86,600 MSRP

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3

Competition xDrive

$91,700 MSRP

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4

Competition xDrive

$98,600 MSRP

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Live inventory

BMW M4 vs Mercedes-Benz SL43 AMG FAQ

Which is better: 2027 BMW M4 or 2027 Mercedes-Benz SL43 AMG?
It depends on priorities. OpenDealer compares 2027 BMW M4 vs 2027 Mercedes-Benz SL43 AMG on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2027 BMW M4 or 2027 Mercedes-Benz SL43 AMG?
Based on starting MSRP, the 2027 BMW M4 starts lower at $82,200. Live BMW M4 listings start at $93,537.
Which has better startingMsrp: 2027 BMW M4 or 2027 Mercedes-Benz SL43 AMG?
The 2027 BMW M4 leads on startingMsrp in this comparison (82,200).
Which has better combinedMpg: 2027 BMW M4 or 2027 Mercedes-Benz SL43 AMG?
The 2027 Mercedes-Benz SL43 AMG leads on combinedMpg in this comparison (22).
Which has better horsepower: 2027 BMW M4 or 2027 Mercedes-Benz SL43 AMG?
The 2027 BMW M4 leads on horsepower in this comparison (523).