Car comparison

AUDI S4 (B9) 3.0 TFSI V6vsAUDI S6 (C8) 3.0 TDI V6

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

New comparison

AUDI S4 (B9)

3.0 TFSI V6

354 hp2995 ccGasolineAWDAutomaticTurbochargedSedan2016-2019
VS

AUDI S6 (C8)

3.0 TDI V6

349 hp2967 ccDieselAWDAutomaticTurbochargedSedan2019-2020

Comparison overview

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

Best choices

AUDI S6 (C8) 3.0 TDI V6

  • Highest torque
    700 Nm
    516 lb-ft
  • Lowest combined fuel consumption
    6.3 L/100 km
    37.3 mpg US
    44.8 mpg UK
  • Lowest city consumption
    7.4 L/100 km
    31.8 mpg US
    38.2 mpg UK
  • Lowest highway consumption
    5.6 L/100 km
    42.0 mpg US
    50.4 mpg UK
  • Best estimated range
    1,000 km
    621 mi
  • Largest trunk
    520 L
  • Best overall score
    75/100
  • Best performance score
    75/100
  • Best economy score
    90/100
  • Best practicality score
    76/100

AUDI S4 (B9) 3.0 TFSI V6

  • Quickest 0-100 km/h
    4.7 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Most powerful
    354 hp
    264 kW
  • Lightest
    1,630 kg
    3,594 lb
  • Best power-to-weight
    217 hp/t
    162 kW/t
    4.6 kg/hp

Specification comparison

Specification comparison
ModelAUDIS4 (B9)3.0 TFSI V6AUDIS6 (C8)3.0 TDI V6
Power
354hp264kW
349hp260kW
Torque
500Nm369lb-ft
700Nm516lb-ft
Curb weight
1,630kg3,594lb
1,955kg4,310lb
Gross weight
2,200kg4,850lb
2,590kg5,710lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
45.1s99% target: 262 km/h / 163 mph
Calculated
52.9s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.7s
5.0s
0-200 km/h
13.9s
Calculated
15.4s
Calculated
0-60 mph
4.5s
Calculated
4.8s
Calculated
Fuel consumption
7.5L/100 km31.4mpg US37.7mpg UK
6.3L/100 km37.3mpg US44.8mpg UK
Fuel consumption city
9.9L/100 km23.8mpg US28.5mpg UK
7.4L/100 km31.8mpg US38.2mpg UK
Fuel consumption highway
6.1L/100 km38.6mpg US46.3mpg UK
5.6L/100 km42mpg US50.4mpg UK
Quarter mile
12.6s
Calculated
13.0s
Calculated
Power-to-weight
217hp/t162kW/t99hp/1000 lb
Calculated
179hp/t133kW/t81hp/1000 lb
Calculated
Torque-to-weight
307Nm/t205lb-ft/ton
Calculated
358Nm/t240lb-ft/ton
Calculated
Estimated range
773km481mi
Calculated
1,000km621mi
Calculated
Displacement
2,995cc183cu in
2,967cc181cu in
Length
4,745mm187in
4,954mm195in
Width
1,842mm73in
1,886mm74in
Height
1,407mm55in
1,446mm57in
Wheelbase
2,825mm111in
2,928mm115in
Front track
1,565mm62in
1,620mm64in
Rear track
1,546mm61in
1,603mm63in
Trunk volume
480L
520L
Max trunk volume
965L
-
Doors
4
4
Seats
5
5
Fuel tank
58L
63L
CO2 emissions
170g/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 S4 (B9) 3.0 TFSI V6AUDI S6 (C8) 3.0 TDI V6PowerTorque
  • AUDI S4 (B9) 3.0 TFSI V6: Power / Torque
  • AUDI S6 (C8) 3.0 TDI V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIS4 (B9)3.0 TFSI V65,400-6,400 rpm1,370-4,500 rpm6,650 rpm
AUDIS6 (C8)3.0 TDI V63,850 rpm2,500-3,100 rpm4,100 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIS4 (B9)3.0 TFSI V6AUDIS6 (C8)3.0 TDI 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
13.9 s
15.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.3 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
12.6 s
13.0 s
Trap speed
1/4 mile
402 m
191 km/h
119 mph
184 km/h
114 mph

Power comparison

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

Chart data table
VehicleValue
AUDIS4 (B9)3.0 TFSI V6
354 hp
264 kW
AUDIS6 (C8)3.0 TDI V6
349 hp
260 kW

AUDI S4 (B9) 3.0 TFSI V6 has 5 hp more than AUDI S6 (C8) 3.0 TDI V6.

The biggest power difference is between AUDI S6 (C8) 3.0 TDI V6 and AUDI S4 (B9) 3.0 TFSI V6: 5 hp (4 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIS4 (B9)3.0 TFSI V6
500 Nm
369 lb-ft
AUDIS6 (C8)3.0 TDI V6
700 Nm
516 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIS4 (B9)3.0 TFSI V6
1,630 kg
3,594 lb
AUDIS6 (C8)3.0 TDI V6
1,955 kg
4,310 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 (B9)3.0 TFSI V6
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIS6 (C8)3.0 TDI V6
Unrestricted
265 km/h165 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 (B9)3.0 TFSI V64.7 s
AUDIS6 (C8)3.0 TDI V65.0 s

The biggest 0-100 km/h difference is between AUDI S4 (B9) 3.0 TFSI V6 and AUDI S6 (C8) 3.0 TDI 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 (B9)3.0 TFSI V6
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
AUDIS6 (C8)3.0 TDI V6
6.3 L/100 km
37.3 mpg US
44.8 mpg UK

The biggest fuel consumption difference is between AUDI S6 (C8) 3.0 TDI V6 and AUDI S4 (B9) 3.0 TFSI V6: 1.2 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 (B9)3.0 TFSI V6
217 hp/t
162 kW/t
4.6 kg/hp
AUDIS6 (C8)3.0 TDI V6
179 hp/t
133 kW/t
5.6 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIS4 (B9)3.0 TFSI V6
773 km
481 mi
AUDIS6 (C8)3.0 TDI V6
1,000 km
621 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIS4 (B9)3.0 TFSI V6
354 hp
264 kW
4.7 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIS6 (C8)3.0 TDI V6
349 hp
260 kW
5.0 s
Unrestricted
265 km/h165 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 (B9)3.0 TFSI V6
Power
354 hp
264 kW
0-100 km/h4.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,745 mm
186.8 in
Height
1,407 mm
55.4 in
AUDIS6 (C8)3.0 TDI V6
Power
349 hp
260 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
4,954 mm
195.0 in
Height
1,446 mm
56.9 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 (B9)3.0 TFSI V6
Power
354 hp
264 kW
0-100 km/h4.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
AUDIS6 (C8)3.0 TDI V6
Power
349 hp
260 kW
0-100 km/h5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
6.3 L/100 km
37.3 mpg US
44.8 mpg UK

AUDI S6 (C8) 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 (B9)3.0 TFSI V6
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
4.7 s
AUDIS6 (C8)3.0 TDI V6
6.3 L/100 km
37.3 mpg US
44.8 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 (B9)3.0 TFSI V6
217 hp/t
162 kW/t
4.6 kg/hp
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
AUDIS6 (C8)3.0 TDI V6
179 hp/t
133 kW/t
5.6 kg/hp
6.3 L/100 km
37.3 mpg US
44.8 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIS4 (B9)3.0 TFSI V6AUDIS6 (C8)3.0 TDI V6
Power
354 hp
264 kW
349 hp
260 kW
Torque
500 Nm
369 lb-ft
700 Nm
516 lb-ft
Acceleration
4.7 s
5.0 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,630 kg
3,594 lb
1,955 kg
4,310 lb
Fuel consumption
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
6.3 L/100 km
37.3 mpg US
44.8 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
480 L
17.0 cu ft
Length
4,745 mm
186.8 in
Height
1,407 mm
55.4 in
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
4,954 mm
195.0 in
Height
1,446 mm
56.9 in
Range score
773 km
481 mi
1,000 km
621 mi
CO2 score
170 g/km
-
Trunk score
480 L
17.0 cu ft
520 L
18.4 cu ft
Power-to-weight score
217 hp/t
162 kW/t
4.6 kg/hp
179 hp/t
133 kW/t
5.6 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 (B9) 3.0 TFSI V6AUDI S6 (C8) 3.0 TDI V6
Consumption7.5 L/100 km31.4 mpg US37.7 mpg UK6.3 L/100 km37.3 mpg US44.8 mpg UK
Cost / 100 km13.13 LC100 km11.03 LC100 km
Cost / 100 mi21.12 LC100 mi17.74 LC100 mi
Annual fuel used1,125 L297 US gal247 UK gal945 L250 US gal208 UK gal
Annual fuel cost1,969 LC/year1,654 LC/year

Head-to-head comparisons

AUDI S4 (B9) 3.0 TFSI V6

  • Has 5 hp more
  • Is 325 kg lighter
  • Is 0.3 s quicker from 0-100 km/h
  • Has 39 hp/t better power-to-weight

Pros

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

Cons

  • Highest combined fuel consumption
  • Smallest trunk

AUDI S6 (C8) 3.0 TDI V6

  • Has 200 Nm more
  • Uses 1.2 L/100 km less fuel
  • Has 227 km (141 mi) more estimated range
  • Has 40 L more trunk volume

Pros

  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Heaviest

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI S4 (B9) 3.0 TFSI V6
AUDI S6 (C8) 3.0 TDI V6
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2 vehicles selected

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AUDI S4 (B9) 3.0 TFSI V6 vs AUDI S6 (C8) 3.0 TDI V6 - car comparison - FastVsFaster