← Back to compare hub

Audi A8 Quattro vs Mercedes-Benz S55 AMG

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

Vehicles

Audi logo

2027 Audi A8 Quattro

Mercedes-Benz logo

2006 Mercedes-Benz S55 AMG

Overview

SpecAudi A8 QuattroLMercedes-Benz S55 AMGS55 AMG
Selected trimLS55 AMG
Body styleSedanSedan
Drivetrainall wheel driverear wheel drive
Fuel typepremium unleaded (required)premium unleaded (required)
Transmission8-speed shiftable automatic5-speed shiftable automatic
Engine typemild hybridgas
Model year20272006

Pricing & market

SpecAudi A8 QuattroLMercedes-Benz S55 AMGS55 AMG
MSRP$95,100 (best)$114,150
For sale now00

Fuel economy & range

SpecAudi A8 QuattroLMercedes-Benz S55 AMGS55 AMG
Combined MPG22 MPG (best)16 MPG
City MPG19 MPG (best)13 MPG
Highway MPG27 MPG (best)20 MPG
Fuel tank21.7 gal23.2 gal (best)

Performance

SpecAudi A8 QuattroLMercedes-Benz S55 AMGS55 AMG
Horsepower335 hp493 hp (best)
Torque369 lb-ft516 lb-ft (best)
Engine size3 L5.4 L (best)
CylindersV6V8

Size & capability

SpecAudi A8 QuattroLMercedes-Benz S55 AMGS55 AMG
Seating5 seats5 seats
Doors44
Cargo volume12.5 cu ft15.4 cu ft (best)
Payload1,113 lbs (best)
Curb weight4,773 lbs4,300 lbs (best)
Wheelbase123.1 in (best)121.5 in
Length209.5 in (best)203.3 in
Width76.6 in (best)73 in
Height58.3 in (best)57.1 in

Safety & recalls

SpecAudi A8 QuattroLMercedes-Benz S55 AMGS55 AMG
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 A8 QuattroMercedes-Benz S55 AMG
1

L

$95,100 MSRP(Currently comparing)

S55 AMG

$114,150 MSRP(Currently comparing)

Audi A8 Quattro vs Mercedes-Benz S55 AMG FAQ

Which is better: 2027 Audi A8 Quattro or 2006 Mercedes-Benz S55 AMG?
It depends on priorities. OpenDealer compares 2027 Audi A8 Quattro vs 2006 Mercedes-Benz S55 AMG 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 A8 Quattro or 2006 Mercedes-Benz S55 AMG?
Based on starting MSRP, the 2027 Audi A8 Quattro starts lower at $95,100.
Which has better startingMsrp: 2027 Audi A8 Quattro or 2006 Mercedes-Benz S55 AMG?
The 2027 Audi A8 Quattro leads on startingMsrp in this comparison (95,100).
Which has better combinedMpg: 2027 Audi A8 Quattro or 2006 Mercedes-Benz S55 AMG?
The 2027 Audi A8 Quattro leads on combinedMpg in this comparison (22).
Which has better horsepower: 2027 Audi A8 Quattro or 2006 Mercedes-Benz S55 AMG?
The 2006 Mercedes-Benz S55 AMG leads on horsepower in this comparison (493).