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Mercedes-Benz GLS550 vs Porsche Cayenne

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

Vehicles

Mercedes-Benz logo

2019 Mercedes-Benz GLS550

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Porsche logo

2027 Porsche Cayenne

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Overview

SpecMercedes-Benz GLS550GLS 550 4MATICPorsche CayenneE-Hybrid
Selected trimGLS 550 4MATICE-Hybrid
Body styleSUVSUV
Drivetrainall wheel driveall wheel drive
Fuel typepremium unleaded (required)premium unleaded (required)
Transmission9-speed shiftable automatic8-speed automatic
Engine typegasplug-in hybrid
Model year20192027

Pricing & market

SpecMercedes-Benz GLS550GLS 550 4MATICPorsche CayenneE-Hybrid
MSRP$95,750 (best)$107,300
Lowest listing price—$21,380 (best)
Median listing price—$114,105 (best)
Highest listing price—$188,642 (best)
For sale now012 (best)

Fuel economy & range

SpecMercedes-Benz GLS550GLS 550 4MATICPorsche CayenneE-Hybrid
Combined MPG16 MPG22 MPG (best)
City MPG14 MPG (best)—
Highway MPG19 MPG (best)—
Fuel tank26.4 gal (best)18 gal

Performance

SpecMercedes-Benz GLS550GLS 550 4MATICPorsche CayenneE-Hybrid
Horsepower449 hp463 hp (best)
Torque516 lb-ft (best)479 lb-ft
Engine size4.7 L (best)3 L
CylindersV8V6

Size & capability

SpecMercedes-Benz GLS550GLS 550 4MATICPorsche CayenneE-Hybrid
Seating7 seats (best)5 seats
Doors44
Cargo volume93.8 cu ft (best)—
Towing capacity7,500 lbs7,716 lbs (best)
Curb weight5,578 lbs5,415 lbs (best)
Wheelbase121.1 in (best)114 in
Length202 in (best)194 in
Width78 in78 in
Height72.8 in (best)66 in

Safety & recalls

SpecMercedes-Benz GLS550GLS 550 4MATICPorsche CayenneE-Hybrid
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.

TrimMercedes-Benz GLS550Porsche Cayenne
1

GLS 550 4MATIC

$95,750 MSRP(Currently comparing)

E-Hybrid

$107,300 MSRP(Currently comparing)

2—

S

$108,300 MSRP

3—

S

$114,900 MSRP

4—

S E-Hybrid

$111,600 MSRP

5—

S E-Hybrid

$117,100 MSRP

6—

GTS

$132,400 MSRP

7—

GTS

$137,100 MSRP

8—

Turbo E-Hybrid

$164,500 MSRP

9—

Turbo E-Hybrid

$169,100 MSRP

Live inventory

Mercedes-Benz GLS550 vs Porsche Cayenne FAQ

Which is better: 2019 Mercedes-Benz GLS550 or 2027 Porsche Cayenne?
It depends on priorities. OpenDealer compares 2019 Mercedes-Benz GLS550 vs 2027 Porsche Cayenne on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2019 Mercedes-Benz GLS550 or 2027 Porsche Cayenne?
Based on starting MSRP, the 2019 Mercedes-Benz GLS550 starts lower at $95,750. Live Porsche Cayenne listings start at $21,380.
Which has better startingMsrp: 2019 Mercedes-Benz GLS550 or 2027 Porsche Cayenne?
The 2019 Mercedes-Benz GLS550 leads on startingMsrp in this comparison (95,750).
Which has better combinedMpg: 2019 Mercedes-Benz GLS550 or 2027 Porsche Cayenne?
The 2027 Porsche Cayenne leads on combinedMpg in this comparison (22).
Which has better horsepower: 2019 Mercedes-Benz GLS550 or 2027 Porsche Cayenne?
The 2027 Porsche Cayenne leads on horsepower in this comparison (729).
Which has better seats: 2019 Mercedes-Benz GLS550 or 2027 Porsche Cayenne?
The 2019 Mercedes-Benz GLS550 leads on seats in this comparison (7).
Which has better maxTowingLbs: 2019 Mercedes-Benz GLS550 or 2027 Porsche Cayenne?
The 2027 Porsche Cayenne leads on maxTowingLbs in this comparison (7,716).