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2025 Audi A6

RS 6 Avant performance AWD

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What the RS 6 Avant performance adds over the A6 Sedan 45 TFSI® quattro®

Spec	A6 Sedan 45 TFSI® quattro®	RS 6 Avant performance
Front brake diameter	337.8 mm	419.1 mm
Rear brake diameter	330.2 mm	370.8 mm
Cargo volume behind 2nd row	13.7 cu-ft	30 cu-ft
Curb weight (maximum)	4101 lbs	4982 lbs
Curb weight (minimum)	4101 lbs	4982 lbs
Cylinder count	4	8
Engine displacement	1984 cc	3996 cc
Horsepower	248 hp	621 hp
Torque	273 lb-ft	627 lb-ft
Engine type (full description)	2.0 TFSI®, 4 CYL	4.0 TFSI®, 8 CYL
Valve configuration	DOHC 16-Valve	DOHC
Front headroom	38 in	38.3 in
Third-row headroom	38.1 in	39.5 in
MPG (city)	24 mpg	14 mpg
MPG (combined)	26 mpg	17 mpg
MPG (highway)	31 mpg	21 mpg
Overall height	57.4 in	58.6 in
Overall length	194.4 in	196.7 in
Overall width	74.3 in	76.8 in
Steering type	Electromechanical steering with speed-dependent power assistance	Electromechanical steering with speed-dependent power assistance and Dynamic steering
Front suspension type	Five-link front independent steel spring suspension	Audi RS-tuned adaptive air suspension
Rear suspension type	Five-link front independent steel spring suspension	Audi RS-tuned adaptive air suspension
Tire size	245/45 R19	275/35
Final drive ratio	4.4	3.2
Transmission speeds	7	8

Specifications

Source: manufacturer press kit

Brakes

Front brake diameter	419.1 mm
Front brake type	ventilated disc
Rear brake diameter	370.8 mm
Rear brake type	solid disc
Parking brake type	electro-mechanical

Cargo

Cargo volume behind 2nd row

30 cu-ft

Dimensions Exterior

Overall height	58.6 in
Overall length	196.7 in
Overall width	76.8 in
Wheelbase	115.3 in

Engine Basics

Aspiration	twin turbo
Cylinder count	8
Engine displacement	3996 cc
Engine type (full description)	4.0 TFSI®, 8 CYL
Valve configuration	DOHC

Engine Output

Horsepower	621 hp
Torque	627 lb-ft

Fuel Economy

MPG (city)	14 mpg
MPG (combined)	17 mpg
MPG (highway)	21 mpg

Fuel System

Minimum recommended octane	91
Fuel tank capacity	19.3 gal

Headroom

Front headroom	38.3 in
Third-row headroom	39.5 in

Legroom

Front legroom	41.3 in
Third-row legroom	37.4 in

Seating

Passenger seating capacity

Shoulder Room

Front shoulder room	57.8 in
Third-row shoulder room	56.5 in

Steering

Steering type

Electromechanical steering with speed-dependent power assistance and Dynamic steering

Suspension

Front suspension type	Audi RS-tuned adaptive air suspension
Rear suspension type	Audi RS-tuned adaptive air suspension

Tires

Tire size

275/35

Transmission

Final drive ratio	3.2
Transmission speeds	8
Transmission type	Eight-speed Tiptronic® transmission and quattro® all-wheel drive

Weights

Curb weight (maximum)	4982 lbs
Curb weight (minimum)	4982 lbs

Wheels

Wheel diameter	21 in
Wheel material	alloy

Standard & optional equipment

Source: manufacturer press kit

Safety4 std · 0 opt

Anti-Lock Braking System: Standard, all four wheels, with electronic brake force distribution
Brakes: 13.3-inch front/13.0-inch rear brake discs / 14.7-inch front/13.0-inch rear brake discs / 15.8-in front discs/13.8-in rear brake discs / 16.5-in front discs/14.6-in rear brake discs
Parking Brake: Electro-mechanical
Stability Control: Standard Electronic Stability Control

Seating1 std · 0 opt

Seating Capacity: 5

Interior6 std · 0 opt

Head room, front (in): 38.0 / 38.0 / 38.3 / 38.0 / 38.3
Head room, rear (in): 38.1 / 38.1 / 39.5 / 38.1 / 39.5
Leg room, front (in): 41.3
Leg room, rear (in): 37.4
Shoulder room, front (in): 57.8
Shoulder room, rear (in): 56.5

Exterior10 std · 0 opt

Curb Weight (lbs): 4,101 / 4,266 / 4,486 / 4,486 / 4,982
Drag Coefficient: 0.28 / 0.29 / 0.29 / 0.29 / 0.36
EPA Class: Midsize Car AWD / Midsize Station Wagons
Height (in): 57.4 / 57.4 / 58.9 / 56.9 / 58.6
Length (in): 194.4 / 194.4 / 194.9 / 195.0 / 196.7
Overall width with mirrors (in): 83.1 / 83.1 / 83.1 / 83.1 / 83.5
Track, front/rear (in): 64.2/63.7 / 64.2/63.7 / 64.8/63.4 / 64.3/63.7 / 65.7/65.0
Wheelbase (in): 115.1 / 115.1 / 115.2 / 115.3 / 115.3
Wheels/Tires: 19" 5-arm dynamic design, platinum gray finish wheels with 245/45 R19 all-season tires / 20" 10-spoke-star design, bicolor finish wheels with 255/40 R20 all-season tires / 20" 10-V-spoke design, platinum gray finish wheels with 245/45 R20 all-season tires / 21" 5-V-double-spoke design, graphite gray finish wheels 255/35 R21 summer tires / 21" 5-V-spoke-dynamic design, bicolor finish wheels with 255/35 R21 summer tires / 21" 10-spoke star design wheels, silver finish with 275/35 summer tires / 22" 5-Y-spoke design wheels various finishes with 285/30 summer tires
Width without mirrors (in): 74.3 / 74.3 / 74.9 / 74.3 / 76.8

Powertrain18 std · 0 opt

Driven wheels: quattro® all-wheel drive
0-60 mph (sec): 6.1 / 5.1 / 4.4 / 5.1 / 3.3
Bore (mm): 82.6 / 84.6 / 84.6 / 84.6 / 85.9
City mpg (EPA-estimated): 24 / 22 / 22 / 19 / 14
Combined mpg (EPA-estimated): 26 / 25 / 25 / 22 / 17
Compression Ratio: 9.6 / 11.2 / 11.2 / 10.0 / 9.7
Cylinder head: Aluminum alloy, crossflow
Displacement (cc): 1984 / 2995 / 2995 / 2894 / 3996
Engine Arrangement: Front mounted
Engine Type: 2.0 TFSI®, 4 CYL / 3.0 TFSI®, 6 CYL / 3.0 TFSI®, 6 CYL / 2.9 TFSI®, 6 CYL / 4.0 TFSI®, 8 CYL
Fuel Tank (gal): 19.3
Highway mpg (EPA-estimated): 31 / 30 / 30 / 27 / 21
Horsepower (SAE): 248 / 335 / 335 / 444 / 621
Maximum torque, lb-ft: 273 / 369 / 369 / 442 / 627
Recommended Fuel: Premium
Stroke (mm): 92.7 / 89.0 / 89.0 / 86.0 / 85.9
Transmission: Seven-speed S tronic® dual-clutch transmission and quattro® with ultra® technology / Eight-speed Tiptronic® transmission and quattro® all-wheel drive
Valvetrain: 16-valve DOHC with Audi valvelift and variable timing (45 TFSI) / 24-valve DOHC with Audi valvelift and variable timing / 32-valve DOHC with Audi valvelift and variable timing (RS 6)

Chassis5 std · 0 opt

Front Suspension: Five-link front independent steel spring suspension / allroad air suspension / Audi S-tuned adaptive air suspension / Audi RS-tuned adaptive air suspension
Rear Suspension: Five-link front independent steel spring suspension / allroad air suspension / Audi S-tuned adaptive air suspension / Audi RS-tuned adaptive air suspension
Steering Ratio: 15.8:1 / 12.1:1 / TBC / 16.0:1 / TBD
Steering Type: Electromechanical steering with speed-dependent power assistance / Electromechanical steering with speed-dependent power assistance and Dynamic steering (RS 6)
Turning Circle (ft, curb to curb): 36.7 / 36.4 / 40.0 / 40.0 / TBD

Cargo1 std · 0 opt

Cargo volume, with seatbacks fixed (cu ft): 13.7 / 13.7 / 30.0 / 13.7 / 30.0

Ranked by what shoppers ask about first; standard equipment before options.

Transcribed from the manufacturer's official press kit for the 2025 A6. Confirm with the window sticker for a specific unit.

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Common questions about the RS 6 Avant performance

Source: EPA, NHTSA and manufacturer press kits

What does the 2025 Audi A6 RS 6 Avant performance add over the A6 Sedan 45 TFSI® quattro®?

Against the A6 Sedan 45 TFSI® quattro®, 28 published specifications differ. Both lists are on this page, taken from the manufacturer's own press material.