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Audi A8 Quattro vs Mercedes-Benz CLS63 AMG S

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

Vehicles

Audi logo

2027 Audi A8 Quattro

Mercedes-Benz logo

2018 Mercedes-Benz CLS63 AMG S

Overview

SpecAudi A8 QuattroLMercedes-Benz CLS63 AMG SAMG CLS 63 S
Selected trimLAMG CLS 63 S
Body styleSedanSedan
Drivetrainall wheel driveall wheel drive
Fuel typepremium unleaded (required)premium unleaded (required)
Transmission8-speed shiftable automatic7-speed shiftable automatic
Engine typemild hybridgas
Model year20272018

Pricing & market

SpecAudi A8 QuattroLMercedes-Benz CLS63 AMG SAMG CLS 63 S
MSRP$95,100 (best)$108,900
For sale now00

Fuel economy & range

SpecAudi A8 QuattroLMercedes-Benz CLS63 AMG SAMG CLS 63 S
Combined MPG22 MPG (best)18 MPG
City MPG19 MPG (best)16 MPG
Highway MPG27 MPG (best)22 MPG
Fuel tank21.7 gal (best)21.1 gal

Performance

SpecAudi A8 QuattroLMercedes-Benz CLS63 AMG SAMG CLS 63 S
Horsepower335 hp577 hp (best)
Torque369 lb-ft590 lb-ft (best)
Engine size3 L5.5 L (best)
CylindersV6V8

Size & capability

SpecAudi A8 QuattroLMercedes-Benz CLS63 AMG SAMG CLS 63 S
Seating5 seats (best)4 seats
Doors44
Cargo volume12.5 cu ft (best)11 cu ft
Payload1,113 lbs (best)
Curb weight4,773 lbs4,420 lbs (best)
Wheelbase123.1 in (best)113.2 in
Length209.5 in (best)196.7 in
Width76.6 in (best)
Height58.3 in (best)55.4 in

Safety & recalls

SpecAudi A8 QuattroLMercedes-Benz CLS63 AMG SAMG CLS 63 S
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 CLS63 AMG S
1

L

$95,100 MSRP(Currently comparing)

AMG CLS 63 S

$108,900 MSRP(Currently comparing)

Audi A8 Quattro vs Mercedes-Benz CLS63 AMG S FAQ

Which is better: 2027 Audi A8 Quattro or 2018 Mercedes-Benz CLS63 AMG S?
It depends on priorities. OpenDealer compares 2027 Audi A8 Quattro vs 2018 Mercedes-Benz CLS63 AMG S 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 2018 Mercedes-Benz CLS63 AMG S?
Based on starting MSRP, the 2027 Audi A8 Quattro starts lower at $95,100.
Which has better startingMsrp: 2027 Audi A8 Quattro or 2018 Mercedes-Benz CLS63 AMG S?
The 2027 Audi A8 Quattro leads on startingMsrp in this comparison (95,100).
Which has better combinedMpg: 2027 Audi A8 Quattro or 2018 Mercedes-Benz CLS63 AMG S?
The 2027 Audi A8 Quattro leads on combinedMpg in this comparison (22).
Which has better horsepower: 2027 Audi A8 Quattro or 2018 Mercedes-Benz CLS63 AMG S?
The 2018 Mercedes-Benz CLS63 AMG S leads on horsepower in this comparison (577).
Which has better seats: 2027 Audi A8 Quattro or 2018 Mercedes-Benz CLS63 AMG S?
The 2027 Audi A8 Quattro leads on seats in this comparison (5).