Car comparison

AUDI RS6 Avant (C7) · Facelift 2014 4.0 TFSI V8 performancevsAUDI S4 Avant (B9) 3.0 TFSI V6

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

New comparison

AUDI RS6 Avant (C7) · Facelift 2014

4.0 TFSI V8 performance

605 hp3993 ccGasolineAWDAutomaticTwin-turboWagon / estate2015-2018
VS

AUDI S4 Avant (B9)

3.0 TFSI V6

354 hp2995 ccGasolineAWDAutomaticTurbochargedWagon / estate2016-2019

Comparison overview

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

Best choices

AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8 performance

  • Quickest 0-100 km/h
    3.7 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    605 hp
    451 kW
  • Highest torque
    750 Nm
    553 lb-ft
  • Best power-to-weight
    310 hp/t
    231 kW/t
    3.2 kg/hp
  • Best estimated range
    781 km
    485 mi
  • Largest trunk
    565 L
  • Best overall score
    86/100
  • Best performance score
    85/100
  • Best practicality score
    87/100

AUDI S4 Avant (B9) 3.0 TFSI V6

  • Lightest
    1,675 kg
    3,693 lb
  • Lowest combined fuel consumption
    7.6 L/100 km
    30.9 mpg US
    37.2 mpg UK
  • Lowest city consumption
    10.1 L/100 km
    23.3 mpg US
    28.0 mpg UK
  • Lowest highway consumption
    6.3 L/100 km
    37.3 mpg US
    44.8 mpg UK
  • Lowest CO2 emissions
    175 g/km
  • Best economy score
    86/100

Specification comparison

Specification comparison
ModelAUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performanceAUDIS4 Avant (B9)3.0 TFSI V6
Power
605hp451kW
354hp264kW
Torque
750Nm553lb-ft
500Nm369lb-ft
Curb weight
1,950kg4,299lb
1,675kg3,693lb
Gross weight
2,580kg5,688lb
2,265kg4,993lb
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
34.6s99% target: 257 km/h / 160 mph
Calculated
49.0s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
3.7s
4.9s
0-200 km/h
11.1s
Calculated
15.2s
Calculated
0-60 mph
3.5s
Calculated
4.7s
Calculated
Fuel consumption
9.6L/100 km24.5mpg US29.4mpg UK
7.6L/100 km30.9mpg US37.2mpg UK
Fuel consumption city
13.4L/100 km17.6mpg US21.1mpg UK
10.1L/100 km23.3mpg US28.0mpg UK
Fuel consumption highway
7.4L/100 km31.8mpg US38.2mpg UK
6.3L/100 km37.3mpg US44.8mpg UK
Quarter mile
11.5s
Calculated
12.9s
Calculated
Power-to-weight
310hp/t231kW/t141hp/1000 lb
Calculated
211hp/t158kW/t96hp/1000 lb
Calculated
Torque-to-weight
385Nm/t257lb-ft/ton
Calculated
299Nm/t200lb-ft/ton
Calculated
Estimated range
781km485mi
Calculated
763km474mi
Calculated
Displacement
3,993cc244cu in
2,995cc183cu in
Length
4,979mm196in
4,745mm187in
Width
1,936mm76in
1,842mm73in
Height
1,461mm58in
1,437mm57in
Wheelbase
2,915mm115in
2,825mm111in
Front track
1,662mm65in
1,565mm62in
Rear track
1,663mm65in
1,546mm61in
Trunk volume
565L
505L
Max trunk volume
1,680L
1,510L
Doors
5
5
Seats
5
5
Fuel tank
75L
58L
CO2 emissions
223g/km
175g/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 RS6 Avant (C7) Facelift 2014 4.0 TFSI V8 performanceAUDI S4 Avant (B9) 3.0 TFSI V6PowerTorque
  • AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8 performance: Power / Torque
  • AUDI S4 Avant (B9) 3.0 TFSI V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performance6,100-6,800 rpm2,500-5,500 rpm7,050 rpm
AUDIS4 Avant (B9)3.0 TFSI V65,400-6,400 rpm1,370-4,500 rpm6,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performanceAUDIS4 Avant (B9)3.0 TFSI V6
Acceleration checkpoints
0-60 mph
0-97 km/h
3.5 s
4.7 s
0-100 km/h
0-62 mph
3.7 s
4.9 s
0-200 km/h
0-124 mph
11.1 s
15.2 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
2.3 s
330 ft
101 m
5.1 s
5.8 s
1/8 mile
201 m
7.6 s
8.5 s
1000 ft
305 m
9.7 s
10.9 s
1/4 mile
402 m
11.5 s
12.9 s
Trap speed
1/4 mile
402 m
203 km/h
126 mph
185 km/h
115 mph

Power comparison

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

Chart data table
VehicleValue
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performance
605 hp
451 kW
AUDIS4 Avant (B9)3.0 TFSI V6
354 hp
264 kW

AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8 performance has 251 hp more than AUDI S4 Avant (B9) 3.0 TFSI V6.

The biggest power difference is between AUDI S4 Avant (B9) 3.0 TFSI V6 and AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8 performance: 251 hp (187 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performance
750 Nm
553 lb-ft
AUDIS4 Avant (B9)3.0 TFSI V6
500 Nm
369 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performance
1,950 kg
4,299 lb
AUDIS4 Avant (B9)3.0 TFSI V6
1,675 kg
3,693 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performance
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIS4 Avant (B9)3.0 TFSI V6
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
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performance3.7 s
AUDIS4 Avant (B9)3.0 TFSI V64.9 s

The biggest 0-100 km/h difference is between AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8 performance and AUDI S4 Avant (B9) 3.0 TFSI V6: 1.2 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performance
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
AUDIS4 Avant (B9)3.0 TFSI V6
7.6 L/100 km
30.9 mpg US
37.2 mpg UK

The biggest fuel consumption difference is between AUDI S4 Avant (B9) 3.0 TFSI V6 and AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8 performance: 2.0 L/100 km.

Power-to-weight comparison

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

Chart data table
VehicleValue
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performance
310 hp/t
231 kW/t
3.2 kg/hp
AUDIS4 Avant (B9)3.0 TFSI V6
211 hp/t
158 kW/t
4.7 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performance
781 km
485 mi
AUDIS4 Avant (B9)3.0 TFSI V6
763 km
474 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performance
605 hp
451 kW
3.7 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIS4 Avant (B9)3.0 TFSI V6
354 hp
264 kW
4.9 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
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performance
Power
605 hp
451 kW
0-100 km/h3.7 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
4,979 mm
196.0 in
Height
1,461 mm
57.5 in
AUDIS4 Avant (B9)3.0 TFSI V6
Power
354 hp
264 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
505 L
17.8 cu ft
Length
4,745 mm
186.8 in
Height
1,437 mm
56.6 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
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performance
Power
605 hp
451 kW
0-100 km/h3.7 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
AUDIS4 Avant (B9)3.0 TFSI V6
Power
354 hp
264 kW
0-100 km/h4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.6 L/100 km
30.9 mpg US
37.2 mpg UK

AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8 performance 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
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performance
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
3.7 s
AUDIS4 Avant (B9)3.0 TFSI V6
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
4.9 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
AUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performance
310 hp/t
231 kW/t
3.2 kg/hp
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
AUDIS4 Avant (B9)3.0 TFSI V6
211 hp/t
158 kW/t
4.7 kg/hp
7.6 L/100 km
30.9 mpg US
37.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIRS6 Avant (C7)Facelift 20144.0 TFSI V8 performanceAUDIS4 Avant (B9)3.0 TFSI V6
Power
605 hp
451 kW
354 hp
264 kW
Torque
750 Nm
553 lb-ft
500 Nm
369 lb-ft
Acceleration
3.7 s
4.9 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,950 kg
4,299 lb
1,675 kg
3,693 lb
Fuel consumption
9.6 L/100 km
24.5 mpg US
29.4 mpg UK
7.6 L/100 km
30.9 mpg US
37.2 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
565 L
20.0 cu ft
Length
4,979 mm
196.0 in
Height
1,461 mm
57.5 in
Doors/seats
5 doors
5 seats
Trunk
505 L
17.8 cu ft
Length
4,745 mm
186.8 in
Height
1,437 mm
56.6 in
Range score
781 km
485 mi
763 km
474 mi
CO2 score
223 g/km
175 g/km
Trunk score
565 L
20.0 cu ft
505 L
17.8 cu ft
Power-to-weight score
310 hp/t
231 kW/t
3.2 kg/hp
211 hp/t
158 kW/t
4.7 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 RS6 Avant (C7) Facelift 2014 4.0 TFSI V8 performanceAUDI S4 Avant (B9) 3.0 TFSI V6
Consumption9.6 L/100 km24.5 mpg US29.4 mpg UK7.6 L/100 km30.9 mpg US37.2 mpg UK
Cost / 100 km16.80 LC100 km13.30 LC100 km
Cost / 100 mi27.04 LC100 mi21.40 LC100 mi
Annual fuel used1,440 L380 US gal317 UK gal1,140 L301 US gal251 UK gal
Annual fuel cost2,520 LC/year1,995 LC/year

Head-to-head comparisons

AUDI RS6 Avant (C7) Facelift 2014 4.0 TFSI V8 performance

  • Has 251 hp more
  • Has 250 Nm more
  • Is 1.2 s quicker from 0-100 km/h
  • Has 99 hp/t better power-to-weight
  • Has 18 km (11 mi) more estimated range
  • Has 60 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Best power-to-weight ratio
  • Best estimated range
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

AUDI S4 Avant (B9) 3.0 TFSI V6

  • Is 275 kg lighter
  • Uses 2.0 L/100 km less fuel
  • Emits 48 g/km less CO2

Pros

  • Lightest
  • Lowest combined fuel consumption

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI RS6 Avant (C7) 4.0 TFSI V8 performance
AUDI S4 Avant (B9) 3.0 TFSI V6
Compare selected cars
2 vehicles selected

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