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Mercedes-Benz G550 vs Porsche Cayenne

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

Vehicles

Mercedes-Benz logo

2026 Mercedes-Benz G550

Porsche logo

2026 Porsche Cayenne

Overview

SpecMercedes-Benz G550G 550Porsche CayenneBase
Selected trimG 550Base
Body styleSUVSUV
Drivetrainfour wheel driveall wheel drive
Fuel typepremium unleaded (required)premium unleaded (required)
Transmission9-speed shiftable automatic8-speed shiftable automatic
Engine typemild hybridgas
Model year20262026

Pricing & market

SpecMercedes-Benz G550G 550Porsche CayenneBase
MSRP$153,900$89,900 (best)
Lowest listing price$99,762 (best)
Median listing price$115,212 (best)
Highest listing price$134,462 (best)
For sale now05 (best)

Fuel economy & range

SpecMercedes-Benz G550G 550Porsche CayenneBase
Combined MPG18 MPG19 MPG (best)
City MPG17 MPG17 MPG
Highway MPG19 MPG23 MPG (best)
Fuel tank26.4 gal (best)23.7 gal

Performance

SpecMercedes-Benz G550G 550Porsche CayenneBase
Horsepower443 hp (best)348 hp
Torque413 lb-ft (best)368 lb-ft
Engine size3 L3 L
CylindersI6V6

Size & capability

SpecMercedes-Benz G550G 550Porsche CayenneBase
Seating5 seats5 seats
Doors44
Cargo volume34.8 cu ft60.3 cu ft (best)
Towing capacity7,000 lbs7,716 lbs (best)
Payload1,572 lbs (best)
Curb weight5,534 lbs4,678 lbs (best)
Ground clearance9.5 in (best)
Wheelbase113.8 in114 in (best)
Length190 in194.1 in (best)
Width76 in78.1 in (best)
Height77.7 in (best)66.9 in

Safety & recalls

SpecMercedes-Benz G550G 550Porsche CayenneBase
Open recalls (YMM scope)None reported (best)1

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 G550Porsche Cayenne
1

G 550

$153,900 MSRP(Currently comparing)

Base

$89,900 MSRP(Currently comparing)

2

Coupe

$95,100 MSRP

3

E-Hybrid

$103,100 MSRP

4

E-Hybrid Coupe

$107,300 MSRP

5

S

$108,300 MSRP

6

Electric

$109,000 MSRP

7

S E-Hybrid

$111,600 MSRP

8

Electric

$113,800 MSRP

9

S Coupe

$114,900 MSRP

10

S E-Hybrid Coupe

$117,100 MSRP

11

S Electric

$126,300 MSRP

12

S Electric

$131,200 MSRP

13

GTS

$132,400 MSRP

14

GTS Coupe

$137,100 MSRP

15

Turbo Electric

$163,000 MSRP

16

Turbo Electric

$168,000 MSRP

17

Turbo E-Hybrid

$164,500 MSRP

18

Turbo E-Hybrid Coupe

$169,100 MSRP

19

Turbo GT Coupe

$214,800 MSRP

Live inventory

Mercedes-Benz G550 vs Porsche Cayenne: Price, MPG, Safety & Specs Compared | Open Dealer