Car comparison

AUDI RS4 Avant (B9) · Facelift 2019 2.9 TFSI V6vsAUDI S6 Avant (C7) · Facelift 2016 4.0 TFSI V8

Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.

New comparison

AUDI RS4 Avant (B9) · Facelift 2019

2.9 TFSI V6

450 hp2894 ccGasolineAWDAutomaticTwin-turboWagon / estate2019-present
VS

AUDI S6 Avant (C7) · Facelift 2016

4.0 TFSI V8

450 hp3993 ccGasolineAWDAutomaticTurbochargedWagon / estate2016-2018

Comparison overview

Use the estimates as comparison hints and verify exact figures before making decisions.

Best choices

AUDI RS4 Avant (B9) Facelift 2019 2.9 TFSI V6

  • Quickest 0-100 km/h
    4.1 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    450 hp
    336 kW
  • Highest torque
    600 Nm
    443 lb-ft
  • Lightest
    1,745 kg
    3,847 lb
  • Best power-to-weight
    258 hp/t
    192 kW/t
    3.9 kg/hp
  • Lowest combined fuel consumption
    9.2 L/100 km
    25.6 mpg US
    30.7 mpg UK
  • Lowest city consumption
    12.5 L/100 km
    18.8 mpg US
    22.6 mpg UK
  • Lowest highway consumption
    7.2 L/100 km
    32.7 mpg US
    39.2 mpg UK
  • Lowest CO2 emissions
    208 g/km
  • Best overall score
    81/100
  • Best performance score
    80/100
  • Best economy score
    82/100

Specification comparison

Specification comparison
ModelAUDIRS4 Avant (B9)Facelift 20192.9 TFSI V6AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
Power
450hp336kW
450hp336kW
Torque
600Nm443lb-ft
550Nm406lb-ft
Curb weight
1,745kg3,847lb
1,960kg4,321lb
Gross weight
2,350kg5,181lb
2,590kg5,710lb
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
39.3s99% target: 257 km/h / 160 mph
Calculated
46.9s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.1s
4.6s
0-200 km/h
12.4s
Calculated
14.4s
Calculated
0-60 mph
3.9s
Calculated
4.4s
Calculated
Fuel consumption
9.2L/100 km25.6mpg US30.7mpg UK
9.6L/100 km24.5mpg US29.4mpg UK
Fuel consumption city
12.5L/100 km18.8mpg US22.6mpg UK
13.5L/100 km17.4mpg US20.9mpg UK
Fuel consumption highway
7.2L/100 km32.7mpg US39.2mpg UK
7.3L/100 km32.2mpg US38.7mpg UK
Quarter mile
12.0s
Calculated
12.6s
Calculated
Power-to-weight
258hp/t192kW/t117hp/1000 lb
Calculated
230hp/t171kW/t104hp/1000 lb
Calculated
Torque-to-weight
344Nm/t230lb-ft/ton
Calculated
281Nm/t188lb-ft/ton
Calculated
Estimated range
630km392mi
Calculated
781km485mi
Calculated
Displacement
2,894cc177cu in
3,993cc244cu in
Length
4,782mm188in
4,942mm195in
Width
1,866mm73in
1,874mm74in
Height
1,438mm57in
1,482mm58in
Wheelbase
2,826mm111in
2,917mm115in
Front track
1,580mm62in
1,615mm64in
Rear track
1,575mm62in
1,607mm63in
Trunk volume
495L
565L
Max trunk volume
1,510L
1,680L
Doors
5
5
Seats
5
5
Fuel tank
58L
75L
CO2 emissions
208g/km
224g/km

Performance charts

Use the estimates as comparison hints and verify exact figures before making decisions.

Dyno simulation

Estimated stock-style power and torque curves by engine speed.

AUDI RS4 Avant (B9) Facelift 2019 2.9 TFSI V6AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8PowerTorque
  • AUDI RS4 Avant (B9) Facelift 2019 2.9 TFSI V6: Power / Torque
  • AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIRS4 Avant (B9)Facelift 20192.9 TFSI V65,700-6,700 rpm1,900-5,000 rpm6,950 rpm
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V85,800-6,400 rpm1,400-5,700 rpm6,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIRS4 Avant (B9)Facelift 20192.9 TFSI V6AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
Acceleration checkpoints
0-60 mph
0-97 km/h
3.9 s
4.4 s
0-100 km/h
0-62 mph
4.1 s
4.6 s
0-200 km/h
0-124 mph
12.4 s
14.4 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.1 s
2.2 s
330 ft
101 m
5.4 s
5.6 s
1/8 mile
201 m
7.9 s
8.3 s
1000 ft
305 m
10.1 s
10.6 s
1/4 mile
402 m
12.0 s
12.6 s
Trap speed
1/4 mile
402 m
197 km/h
122 mph
188 km/h
117 mph

Power comparison

Bar comparison chart for Power. Higher is better · hp / kW

Chart data table
VehicleValue
AUDIRS4 Avant (B9)Facelift 20192.9 TFSI V6
450 hp
336 kW
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
450 hp
336 kW

Torque comparison

Bar comparison chart for Torque. Higher is better · Nm / lb-ft

Chart data table
VehicleValue
AUDIRS4 Avant (B9)Facelift 20192.9 TFSI V6
600 Nm
443 lb-ft
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
550 Nm
406 lb-ft

Curb weight comparison

Bar comparison chart for Curb weight. Lower is better · kg / lb

Chart data table
VehicleValue
AUDIRS4 Avant (B9)Facelift 20192.9 TFSI V6
1,745 kg
3,847 lb
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
1,960 kg
4,321 lb

Top speed without limiter comparison

Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph

Chart data table
VehicleValue
AUDIRS4 Avant (B9)Facelift 20192.9 TFSI V6
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
AUDIRS4 Avant (B9)Facelift 20192.9 TFSI V64.1 s
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V84.6 s

The biggest 0-100 km/h difference is between AUDI RS4 Avant (B9) Facelift 2019 2.9 TFSI V6 and AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8: 0.5 s.

Fuel consumption comparison

Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK

Chart data table
VehicleValue
AUDIRS4 Avant (B9)Facelift 20192.9 TFSI V6
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK

Power-to-weight comparison

Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t

Chart data table
VehicleValue
AUDIRS4 Avant (B9)Facelift 20192.9 TFSI V6
258 hp/t
192 kW/t
3.9 kg/hp
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
230 hp/t
171 kW/t
4.4 kg/hp

Estimated range comparison

Bar comparison chart for Estimated range. Higher is better · km / mi

Chart data table
VehicleValue
AUDIRS4 Avant (B9)Facelift 20192.9 TFSI V6
630 km
392 mi
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
781 km
485 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIRS4 Avant (B9)Facelift 20192.9 TFSI V6
450 hp
336 kW
4.1 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
450 hp
336 kW
4.6 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph

Most attractive quadrant

Scatter chart with performance score on the X axis and practicality score on the Y axis.

Chart data table
VehiclePerformance scorePracticality score
AUDIRS4 Avant (B9)Facelift 20192.9 TFSI V6
Power
450 hp
336 kW
0-100 km/h4.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
495 L
17.5 cu ft
Length
4,782 mm
188.3 in
Height
1,438 mm
56.6 in
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
Power
450 hp
336 kW
0-100 km/h4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,942 mm
194.6 in
Height
1,482 mm
58.3 in

Performance vs fuel economy

Cars closer to the top-right corner combine stronger performance with better fuel economy scores.

Performance vs fuel economy data table
VehiclePerformance scoreFuel economy score
AUDIRS4 Avant (B9)Facelift 20192.9 TFSI V6
Power
450 hp
336 kW
0-100 km/h4.1 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
Power
450 hp
336 kW
0-100 km/h4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.6 L/100 km
24.5 mpg US
29.4 mpg UK

AUDI RS4 Avant (B9) Facelift 2019 2.9 TFSI V6 is closest to the top-right balance target for performance and fuel economy.

Acceleration vs fuel consumption

Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.

Acceleration vs fuel consumption data table
VehicleFuel consumption, L/100 km0-100 km/h, s
AUDIRS4 Avant (B9)Facelift 20192.9 TFSI V6
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
4.1 s
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
4.6 s

Power-to-weight vs fuel consumption

The shaded area favors higher power-to-weight with lower combined fuel consumption.

Power-to-weight vs fuel consumption data table
VehiclePower-to-weight, hp/tFuel consumption, L/100 km
AUDIRS4 Avant (B9)Facelift 20192.9 TFSI V6
258 hp/t
192 kW/t
3.9 kg/hp
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
230 hp/t
171 kW/t
4.4 kg/hp
9.6 L/100 km
24.5 mpg US
29.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIRS4 Avant (B9)Facelift 20192.9 TFSI V6AUDIS6 Avant (C7)Facelift 20164.0 TFSI V8
Power
450 hp
336 kW
450 hp
336 kW
Torque
600 Nm
443 lb-ft
550 Nm
406 lb-ft
Acceleration
4.1 s
4.6 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,745 kg
3,847 lb
1,960 kg
4,321 lb
Fuel consumption
9.2 L/100 km
25.6 mpg US
30.7 mpg UK
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
495 L
17.5 cu ft
Length
4,782 mm
188.3 in
Height
1,438 mm
56.6 in
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,942 mm
194.6 in
Height
1,482 mm
58.3 in
Range score
630 km
392 mi
781 km
485 mi
CO2 score
208 g/km
224 g/km
Trunk score
495 L
17.5 cu ft
565 L
20.0 cu ft
Power-to-weight score
258 hp/t
192 kW/t
3.9 kg/hp
230 hp/t
171 kW/t
4.4 kg/hp
Overall
Fixed score
Fixed score

Fuel cost and annual usage

Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.

Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.

LC = Local Currency

Fuel cost and annual usage
VehicleAUDI RS4 Avant (B9) Facelift 2019 2.9 TFSI V6AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8
Consumption9.2 L/100 km25.6 mpg US30.7 mpg UK9.6 L/100 km24.5 mpg US29.4 mpg UK
Cost / 100 km16.10 LC100 km16.80 LC100 km
Cost / 100 mi25.91 LC100 mi27.04 LC100 mi
Annual fuel used1,380 L365 US gal304 UK gal1,440 L380 US gal317 UK gal
Annual fuel cost2,415 LC/year2,520 LC/year

Head-to-head comparisons

AUDI RS4 Avant (B9) Facelift 2019 2.9 TFSI V6

  • Has 50 Nm more
  • Is 215 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Uses 0.4 L/100 km less fuel
  • Has 28 hp/t better power-to-weight
  • Emits 16 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio

Cons

  • Smallest trunk

AUDI S6 Avant (C7) Facelift 2016 4.0 TFSI V8

  • Has 151 km (94 mi) more estimated range
  • Has 70 L more trunk volume

Pros

  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI RS4 Avant (B9) 2.9 TFSI V6
AUDI S6 Avant (C7) 4.0 TFSI V8
Compare selected cars
2 vehicles selected

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