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Audi RS Q8 vs Mercedes-Benz GLS580

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

Vehicles

Audi logo

2027 Audi RS Q8

Mercedes-Benz logo

2027 Mercedes-Benz GLS580

Overview

SpecAudi RS Q8PerformanceMercedes-Benz GLS580GLS 580
Selected trimPerformanceGLS 580
Body styleSUVSUV
Drivetrainall wheel driveall wheel drive
Fuel typepremium unleaded (required)premium unleaded (required)
Transmission8-speed shiftable automatic9-speed automatic
Engine typemild hybridmild hybrid
Model year20272027

Pricing & market

SpecAudi RS Q8PerformanceMercedes-Benz GLS580GLS 580
MSRP$139,700$120,950 (best)
For sale now00

Fuel economy & range

SpecAudi RS Q8PerformanceMercedes-Benz GLS580GLS 580
Combined MPG16 MPG16 MPG
City MPG14 MPG14 MPG
Highway MPG20 MPG20 MPG
Fuel tank22.5 gal24 gal (best)

Performance

SpecAudi RS Q8PerformanceMercedes-Benz GLS580GLS 580
Horsepower631 hp (best)530 hp
Torque627 lb-ft (best)553 lb-ft
Engine size4 L4 L
CylindersV8V8

Size & capability

SpecAudi RS Q8PerformanceMercedes-Benz GLS580GLS 580
Seating5 seats7 seats (best)
Doors44
Cargo volume60 cu ft (best)—
Towing capacity7,700 lbs7,700 lbs
Payload1,069 lbs (best)—
Curb weight5,368 lbs (best)—
Ground clearance—8 in (best)
Wheelbase117.9 in123 in (best)
Length197.7 in205 in (best)
Width79 in80 in (best)
Height67.5 in72 in (best)

Safety & recalls

SpecAudi RS Q8PerformanceMercedes-Benz GLS580GLS 580
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.

TrimAudi RS Q8Mercedes-Benz GLS580
1

Performance

$139,700 MSRP(Currently comparing)

GLS 580

$120,950 MSRP(Currently comparing)

Audi RS Q8 vs Mercedes-Benz GLS580 FAQ

Which is better: 2027 Audi RS Q8 or 2027 Mercedes-Benz GLS580?
It depends on priorities. OpenDealer compares 2027 Audi RS Q8 vs 2027 Mercedes-Benz GLS580 on MSRP, fuel economy, horsepower, seating, towing, NHTSA safety ratings, and live market prices so you can weigh the tradeoffs.
Which costs less: 2027 Audi RS Q8 or 2027 Mercedes-Benz GLS580?
Based on starting MSRP, the 2027 Mercedes-Benz GLS580 starts lower at $120,950.
Which has better startingMsrp: 2027 Audi RS Q8 or 2027 Mercedes-Benz GLS580?
The 2027 Mercedes-Benz GLS580 leads on startingMsrp in this comparison (120,950).
Which has better horsepower: 2027 Audi RS Q8 or 2027 Mercedes-Benz GLS580?
The 2027 Audi RS Q8 leads on horsepower in this comparison (631).
Which has better seats: 2027 Audi RS Q8 or 2027 Mercedes-Benz GLS580?
The 2027 Mercedes-Benz GLS580 leads on seats in this comparison (7).