Car comparison

AUDI S4 Avant (B9) · Facelift 2019 3.0 TDI V6vsAUDI A6 Avant (C8) · Facelift 2023 55 TFSI V6

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

New comparison

AUDI S4 Avant (B9) · Facelift 2019

3.0 TDI V6

341 hp2967 ccDieselAWDAutomaticTurbochargedWagon / estate2020-2023
VS

AUDI A6 Avant (C8) · Facelift 2023

55 TFSI V6

340 hp2995 ccGasolineAWDAutomaticTurbochargedWagon / estate2023-2025

Comparison overview

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

Best choices

AUDI S4 Avant (B9) Facelift 2019 3.0 TDI V6

  • Quickest 0-100 km/h
    4.7 s
  • Fastest top speed
    260 km/h
    162 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    341 hp
    254 kW
  • Highest torque
    700 Nm
    516 lb-ft
  • Lightest
    1,835 kg
    4,045 lb
  • Best power-to-weight
    186 hp/t
    139 kW/t
    5.4 kg/hp
  • Lowest combined fuel consumption
    7.5 L/100 km
    31.4 mpg US
    37.7 mpg UK
  • Best estimated range
    773 km
    481 mi
  • Best overall score
    77/100
  • Best performance score
    75/100
  • Best economy score
    87/100

Specification comparison

Specification comparison
ModelAUDIS4 Avant (B9)Facelift 20193.0 TDI V6AUDIA6 Avant (C8)Facelift 202355 TFSI V6
Power
341hp254kW
340hp254kW
Torque
700Nm516lb-ft
500Nm369lb-ft
Curb weight
1,835kg4,045lb
1,835kg4,045lb
Gross weight
2,380kg5,247lb
2,480kg5,467lb
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
49.1s99% target: 257 km/h / 160 mph
Calculated
52.2s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
4.7s
5.0s
0-200 km/h
14.9s
Calculated
15.8s
Calculated
0-60 mph
4.5s
Calculated
4.8s
Calculated
Fuel consumption
7.5L/100 km31.4mpg US37.7mpg UK
9.1L/100 km25.8mpg US31.0mpg UK
Quarter mile
12.7s
Calculated
13.0s
Calculated
Power-to-weight
186hp/t139kW/t84hp/1000 lb
Calculated
185hp/t138kW/t84hp/1000 lb
Calculated
Torque-to-weight
381Nm/t255lb-ft/ton
Calculated
272Nm/t182lb-ft/ton
Calculated
Estimated range
773km481mi
Calculated
692km430mi
Calculated
Displacement
2,967cc181cu in
2,995cc183cu in
Length
4,770mm188in
4,939mm194in
Width
1,847mm73in
1,886mm74in
Height
1,433mm56in
1,494mm59in
Wheelbase
2,825mm111in
2,924mm115in
Front track
1,565mm62in
1,630mm64in
Rear track
1,546mm61in
1,617mm64in
Trunk volume
420L
550L
Max trunk volume
1,435L
1,660L
Doors
5
5
Seats
5
5
Fuel tank
58L
63L

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 S4 Avant (B9) Facelift 2019 3.0 TDI V6AUDI A6 Avant (C8) Facelift 2023 55 TFSI V6PowerTorque
  • AUDI S4 Avant (B9) Facelift 2019 3.0 TDI V6: Power / Torque
  • AUDI A6 Avant (C8) Facelift 2023 55 TFSI V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIS4 Avant (B9)Facelift 20193.0 TDI V63,800-3,950 rpm1,750-3,250 rpm4,200 rpm
AUDIA6 Avant (C8)Facelift 202355 TFSI V65,200-6,400 rpm1,370-4,500 rpm6,650 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIS4 Avant (B9)Facelift 20193.0 TDI V6AUDIA6 Avant (C8)Facelift 202355 TFSI V6
Acceleration checkpoints
0-60 mph
0-97 km/h
4.5 s
4.8 s
0-100 km/h
0-62 mph
4.7 s
5.0 s
0-200 km/h
0-124 mph
14.9 s
15.8 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.3 s
330 ft
101 m
5.7 s
5.8 s
1/8 mile
201 m
8.4 s
8.6 s
1000 ft
305 m
10.7 s
11.0 s
1/4 mile
402 m
12.7 s
13.0 s
Trap speed
1/4 mile
402 m
186 km/h
116 mph
183 km/h
114 mph

Power comparison

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

Chart data table
VehicleValue
AUDIS4 Avant (B9)Facelift 20193.0 TDI V6
341 hp
254 kW
AUDIA6 Avant (C8)Facelift 202355 TFSI V6
340 hp
254 kW

AUDI S4 Avant (B9) Facelift 2019 3.0 TDI V6 has 1 hp more than AUDI A6 Avant (C8) Facelift 2023 55 TFSI V6.

The biggest power difference is between AUDI A6 Avant (C8) Facelift 2023 55 TFSI V6 and AUDI S4 Avant (B9) Facelift 2019 3.0 TDI V6: 1 hp (1 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIS4 Avant (B9)Facelift 20193.0 TDI V6
700 Nm
516 lb-ft
AUDIA6 Avant (C8)Facelift 202355 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
AUDIS4 Avant (B9)Facelift 20193.0 TDI V6
1,835 kg
4,045 lb
AUDIA6 Avant (C8)Facelift 202355 TFSI V6
1,835 kg
4,045 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIS4 Avant (B9)Facelift 20193.0 TDI V6
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 Avant (C8)Facelift 202355 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
AUDIS4 Avant (B9)Facelift 20193.0 TDI V64.7 s
AUDIA6 Avant (C8)Facelift 202355 TFSI V65.0 s

The biggest 0-100 km/h difference is between AUDI S4 Avant (B9) Facelift 2019 3.0 TDI V6 and AUDI A6 Avant (C8) Facelift 2023 55 TFSI V6: 0.3 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIS4 Avant (B9)Facelift 20193.0 TDI V6
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
AUDIA6 Avant (C8)Facelift 202355 TFSI V6
9.1 L/100 km
25.8 mpg US
31.0 mpg UK

The biggest fuel consumption difference is between AUDI S4 Avant (B9) Facelift 2019 3.0 TDI V6 and AUDI A6 Avant (C8) Facelift 2023 55 TFSI V6: 1.6 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
AUDIS4 Avant (B9)Facelift 20193.0 TDI V6
186 hp/t
139 kW/t
5.4 kg/hp
AUDIA6 Avant (C8)Facelift 202355 TFSI V6
185 hp/t
138 kW/t
5.4 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIS4 Avant (B9)Facelift 20193.0 TDI V6
773 km
481 mi
AUDIA6 Avant (C8)Facelift 202355 TFSI V6
692 km
430 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIS4 Avant (B9)Facelift 20193.0 TDI V6
341 hp
254 kW
4.7 s
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
AUDIA6 Avant (C8)Facelift 202355 TFSI V6
340 hp
254 kW
5.0 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
AUDIS4 Avant (B9)Facelift 20193.0 TDI V6
Power
341 hp
254 kW
0-100 km/h4.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
420 L
14.8 cu ft
Length
4,770 mm
187.8 in
Height
1,433 mm
56.4 in
AUDIA6 Avant (C8)Facelift 202355 TFSI V6
Power
340 hp
254 kW
0-100 km/h5.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,939 mm
194.4 in
Height
1,494 mm
58.8 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
AUDIS4 Avant (B9)Facelift 20193.0 TDI V6
Power
341 hp
254 kW
0-100 km/h4.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
AUDIA6 Avant (C8)Facelift 202355 TFSI V6
Power
340 hp
254 kW
0-100 km/h5.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
9.1 L/100 km
25.8 mpg US
31.0 mpg UK

AUDI S4 Avant (B9) Facelift 2019 3.0 TDI 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
AUDIS4 Avant (B9)Facelift 20193.0 TDI V6
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
4.7 s
AUDIA6 Avant (C8)Facelift 202355 TFSI V6
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
5.0 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
AUDIS4 Avant (B9)Facelift 20193.0 TDI V6
186 hp/t
139 kW/t
5.4 kg/hp
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
AUDIA6 Avant (C8)Facelift 202355 TFSI V6
185 hp/t
138 kW/t
5.4 kg/hp
9.1 L/100 km
25.8 mpg US
31.0 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIS4 Avant (B9)Facelift 20193.0 TDI V6AUDIA6 Avant (C8)Facelift 202355 TFSI V6
Power
341 hp
254 kW
340 hp
254 kW
Torque
700 Nm
516 lb-ft
500 Nm
369 lb-ft
Acceleration
4.7 s
5.0 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,835 kg
4,045 lb
1,835 kg
4,045 lb
Fuel consumption
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
9.1 L/100 km
25.8 mpg US
31.0 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
420 L
14.8 cu ft
Length
4,770 mm
187.8 in
Height
1,433 mm
56.4 in
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,939 mm
194.4 in
Height
1,494 mm
58.8 in
Range score
773 km
481 mi
692 km
430 mi
Trunk score
420 L
14.8 cu ft
550 L
19.4 cu ft
Power-to-weight score
186 hp/t
139 kW/t
5.4 kg/hp
185 hp/t
138 kW/t
5.4 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 S4 Avant (B9) Facelift 2019 3.0 TDI V6AUDI A6 Avant (C8) Facelift 2023 55 TFSI V6
Consumption7.5 L/100 km31.4 mpg US37.7 mpg UK9.1 L/100 km25.8 mpg US31 mpg UK
Cost / 100 km13.13 LC100 km15.92 LC100 km
Cost / 100 mi21.12 LC100 mi25.63 LC100 mi
Annual fuel used1,125 L297 US gal247 UK gal1,365 L361 US gal300 UK gal
Annual fuel cost1,969 LC/year2,389 LC/year

Head-to-head comparisons

AUDI S4 Avant (B9) Facelift 2019 3.0 TDI V6

  • Has 1 hp more
  • Has 200 Nm more
  • Is 0.3 s quicker from 0-100 km/h
  • Uses 1.6 L/100 km less fuel
  • Has 1 hp/t better power-to-weight
  • Has 81 km (50 mi) more estimated range

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
  • Best estimated range

Cons

  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI S4 Avant (B9) 3.0 TDI V6
AUDI A6 Avant (C8) 55 TFSI V6
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