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Mercedes-Benz E550 vs Porsche 718 Boxster

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

Vehicles

Mercedes-Benz logo

2017 Mercedes-Benz E550

Porsche logo

2025 Porsche 718 Boxster

Overview

SpecMercedes-Benz E550E 550Porsche 718 Boxster718 Boxster Convertible
Selected trimE 550718 Boxster Convertible
Body styleCoupeConvertible
Drivetrainrear wheel driverear wheel drive
Fuel typepremium unleaded (required)premium unleaded (required)
Transmission7-speed shiftable automatic7-speed automated manual
Engine typegasgas
Model year20172025

Pricing & market

SpecMercedes-Benz E550E 550Porsche 718 Boxster718 Boxster Convertible
MSRP$60,650 (best)$74,900
Lowest listing price$48,990 (best)
Median listing price$54,779 (best)
Highest listing price$74,999 (best)
For sale now03 (best)

Fuel economy & range

SpecMercedes-Benz E550E 550Porsche 718 Boxster718 Boxster Convertible
Combined MPG21 MPG24 MPG (best)
City MPG18 MPG21 MPG (best)
Highway MPG26 MPG27 MPG (best)
Fuel tank17.4 gal (best)14.3 gal

Performance

SpecMercedes-Benz E550E 550Porsche 718 Boxster718 Boxster Convertible
Horsepower402 hp (best)300 hp
Torque443 lb-ft (best)280 lb-ft
Engine size4.7 L (best)2 L
CylindersV8flat 4

Size & capability

SpecMercedes-Benz E550E 550Porsche 718 Boxster718 Boxster Convertible
Seating4 seats (best)2 seats
Doors22
Cargo volume13.3 cu ft (best)9.7 cu ft
Payload617 lbs (best)
Curb weight4,134 lbs3,097 lbs (best)
Wheelbase108.7 in (best)97.4 in
Length185 in (best)172.4 in
Width70.3 in70.9 in (best)
Height54.8 in (best)50.4 in

Safety & recalls

SpecMercedes-Benz E550E 550Porsche 718 Boxster718 Boxster Convertible
Open recalls (YMM scope)5None 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.

TrimMercedes-Benz E550Porsche 718 Boxster
1

E 550

$60,650 MSRP(Currently comparing)

718 Boxster Convertible

$74,900 MSRP(Currently comparing)

2

E 550

$69,100 MSRP

Style Edition

$81,300 MSRP

3

S

$86,900 MSRP

4

GTS 4.0

$101,800 MSRP

Live inventory

Mercedes-Benz E550 vs Porsche 718 Boxster FAQ

Which is better: 2017 Mercedes-Benz E550 or 2025 Porsche 718 Boxster?
It depends on priorities. OpenDealer compares 2017 Mercedes-Benz E550 vs 2025 Porsche 718 Boxster on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2017 Mercedes-Benz E550 or 2025 Porsche 718 Boxster?
Based on starting MSRP, the 2017 Mercedes-Benz E550 starts lower at $60,650. Live Porsche 718 Boxster listings start at $48,990.
Which has better startingMsrp: 2017 Mercedes-Benz E550 or 2025 Porsche 718 Boxster?
The 2017 Mercedes-Benz E550 leads on startingMsrp in this comparison (60,650).
Which has better combinedMpg: 2017 Mercedes-Benz E550 or 2025 Porsche 718 Boxster?
The 2025 Porsche 718 Boxster leads on combinedMpg in this comparison (24).
Which has better horsepower: 2017 Mercedes-Benz E550 or 2025 Porsche 718 Boxster?
The 2017 Mercedes-Benz E550 leads on horsepower in this comparison (402).
Which has better seats: 2017 Mercedes-Benz E550 or 2025 Porsche 718 Boxster?
The 2017 Mercedes-Benz E550 leads on seats in this comparison (4).