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Mazda MX-5 Miata vs Mercedes-Benz SL43 AMG

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

Vehicles

Mazda logo

2026 Mazda MX-5 Miata

Mercedes-Benz logo

2027 Mercedes-Benz SL43 AMG

Overview

SpecMazda MX-5 MiataSportMercedes-Benz SL43 AMGAMG SL 43
Selected trimSportAMG SL 43
Body styleConvertibleConvertible
Drivetrainrear wheel driverear wheel drive
Fuel typepremium unleaded (recommended)premium unleaded (required)
Transmission6-speed manual9-speed automatic
Engine typegasmild hybrid
Model year20262027

Pricing & market

SpecMazda MX-5 MiataSportMercedes-Benz SL43 AMGAMG SL 43
MSRP$30,430$0 (best)
Lowest listing price$19,620 (best)
Median listing price$30,437 (best)
Highest listing price$39,125 (best)
For sale now17 (best)0

Fuel economy & range

SpecMazda MX-5 MiataSportMercedes-Benz SL43 AMGAMG SL 43
Combined MPG29 MPG (best)22 MPG
City MPG26 MPG (best)19 MPG
Highway MPG34 MPG (best)27 MPG
Fuel tank11.9 gal19 gal (best)

Performance

SpecMazda MX-5 MiataSportMercedes-Benz SL43 AMGAMG SL 43
Horsepower181 hp416 hp (best)
Torque151 lb-ft369 lb-ft (best)
Engine size2 L2 L
CylindersI4I4

Size & capability

SpecMazda MX-5 MiataSportMercedes-Benz SL43 AMGAMG SL 43
Seating2 seats4 seats (best)
Doors22
Cargo volume4.6 cu ft (best)
Curb weight2,366 lbs (best)3,825 lbs
Ground clearance5.5 in (best)
Wheelbase90.9 in106 in (best)
Length154.1 in185 in (best)
Width68.3 in75 in (best)
Height48.8 in54 in (best)

Safety & recalls

SpecMazda MX-5 MiataSportMercedes-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.

TrimMazda MX-5 MiataMercedes-Benz SL43 AMG
1

Sport

$30,430 MSRP(Currently comparing)

AMG SL 43

$0 MSRP(Currently comparing)

2

Club

$33,930 MSRP

3

Grand Touring

$35,730 MSRP

4

Grand Touring

$36,650 MSRP

5

Grand Touring

$38,450 MSRP

6

Grand Touring

$39,420 MSRP

7

Club

$41,900 MSRP

Live inventory

Mazda MX-5 Miata vs Mercedes-Benz SL43 AMG FAQ

Which is better: 2026 Mazda MX-5 Miata or 2027 Mercedes-Benz SL43 AMG?
It depends on priorities. OpenDealer compares 2026 Mazda MX-5 Miata 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: 2026 Mazda MX-5 Miata or 2027 Mercedes-Benz SL43 AMG?
Based on starting MSRP, the 2027 Mercedes-Benz SL43 AMG starts lower at $0. Live Mazda MX-5 Miata listings start at $19,620.
Which has better startingMsrp: 2026 Mazda MX-5 Miata or 2027 Mercedes-Benz SL43 AMG?
The 2027 Mercedes-Benz SL43 AMG leads on startingMsrp in this comparison (0).
Which has better combinedMpg: 2026 Mazda MX-5 Miata or 2027 Mercedes-Benz SL43 AMG?
The 2026 Mazda MX-5 Miata leads on combinedMpg in this comparison (29).
Which has better horsepower: 2026 Mazda MX-5 Miata or 2027 Mercedes-Benz SL43 AMG?
The 2027 Mercedes-Benz SL43 AMG leads on horsepower in this comparison (416).
Which has better seats: 2026 Mazda MX-5 Miata or 2027 Mercedes-Benz SL43 AMG?
The 2027 Mercedes-Benz SL43 AMG leads on seats in this comparison (4).