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Audi A6 Quattro vs Mercedes-Benz R500

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

Vehicles

Audi logo

2025 Audi A6 Quattro

Mercedes-Benz logo

2007 Mercedes-Benz R500

Overview

SpecAudi A6 QuattroPremiumMercedes-Benz R500R500
Selected trimPremiumR500
Body styleSedanWagon
Drivetrainall wheel driveall wheel drive
Fuel typepremium unleaded (required)premium unleaded (required)
Transmission7-speed automated manual7-speed shiftable automatic
Engine typemild hybridgas
Model year20252007

Pricing & market

SpecAudi A6 QuattroPremiumMercedes-Benz R500R500
MSRP$58,100$50,500 (best)
For sale now00

Fuel economy & range

SpecAudi A6 QuattroPremiumMercedes-Benz R500R500
Combined MPG26 MPG (best)14 MPG
City MPG24 MPG (best)12 MPG
Highway MPG31 MPG (best)18 MPG
Fuel tank19.3 gal21.1 gal (best)

Performance

SpecAudi A6 QuattroPremiumMercedes-Benz R500R500
Horsepower261 hp302 hp (best)
Torque273 lb-ft339 lb-ft (best)
Engine size2 L5 L (best)
CylindersI4V8

Size & capability

SpecAudi A6 QuattroPremiumMercedes-Benz R500R500
Seating5 seats6 seats (best)
Doors45 (best)
Cargo volume13.7 cu ft85 cu ft (best)
Payload1,102 lbs (best)
Curb weight4,101 lbs (best)4,917 lbs
Ground clearance4.2 in5.8 in (best)
Wheelbase115.1 in126.6 in (best)
Length194.4 in203 in (best)
Width74.3 in75.7 in (best)
Height57.4 in65.4 in (best)

Safety & recalls

SpecAudi A6 QuattroPremiumMercedes-Benz R500R500
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 A6 QuattroMercedes-Benz R500
1

Premium

$58,100 MSRP(Currently comparing)

R500

$50,500 MSRP(Currently comparing)

2

Premium

$62,600 MSRP

3

Premium Plus

$62,800 MSRP

4

Premium Plus

$67,300 MSRP

5

Prestige

$73,350 MSRP

Audi A6 Quattro vs Mercedes-Benz R500: Price, MPG, Safety & Specs Compared | Open Dealer