Car comparison

AUDI RS3 sedan (8V) · Facelift 2017 2.5 TFSIvsAUDI S6 (C8) 2.9 TFSI V6

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

New comparison

AUDI RS3 sedan (8V) · Facelift 2017

2.5 TFSI

400 hp2480 ccGasolineAWDAutomaticTurbochargedSedan2017-2020
VS

AUDI S6 (C8)

2.9 TFSI V6

444 hp2894 ccGasolineAWDAutomaticTwin-turboSedan2019-2023

Comparison overview

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

Best choices

AUDI RS3 sedan (8V) Facelift 2017 2.5 TFSI

  • Quickest 0-100 km/h
    4.1 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    1,515 kg
    3,340 lb
  • Best power-to-weight
    264 hp/t
    197 kW/t
    3.8 kg/hp
  • Lowest combined fuel consumption
    8.5 L/100 km
    27.7 mpg US
    33.2 mpg UK
  • Lowest city consumption
    11.4 L/100 km
    20.6 mpg US
    24.8 mpg UK
  • Lowest highway consumption
    6.9 L/100 km
    34.1 mpg US
    40.9 mpg UK
  • Best economy score
    84/100

AUDI S6 (C8) 2.9 TFSI V6

  • Most powerful
    444 hp
    331 kW
  • Highest torque
    600 Nm
    443 lb-ft
  • Best estimated range
    682 km
    424 mi
  • Largest trunk
    388 L
  • Best overall score
    76/100
  • Best performance score
    79/100
  • Best practicality score
    71/100

Specification comparison

Specification comparison
ModelAUDIRS3 sedan (8V)Facelift 20172.5 TFSIAUDIS6 (C8)2.9 TFSI V6
Power
400hp298kW
444hp331kW
Torque
480Nm354lb-ft
600Nm443lb-ft
Curb weight
1,515kg3,340lb
2,035kg4,486lb
Gross weight
2,005kg4,420lb
-
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
37.9s99% target: 262 km/h / 163 mph
Calculated
45.1s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.1s
4.5s
0-200 km/h
11.9s
Calculated
13.6s
Calculated
0-60 mph
3.9s
Calculated
4.3s
Calculated
Fuel consumption
8.5L/100 km27.7mpg US33.2mpg UK
10.7L/100 km22mpg US26.4mpg UK
Fuel consumption city
11.4L/100 km20.6mpg US24.8mpg UK
13.1L/100 km18mpg US21.6mpg UK
Fuel consumption highway
6.9L/100 km34.1mpg US40.9mpg UK
8.4L/100 km28mpg US33.6mpg UK
Quarter mile
11.9s
Calculated
12.4s
Calculated
Power-to-weight
264hp/t197kW/t120hp/1000 lb
Calculated
218hp/t163kW/t99hp/1000 lb
Calculated
Torque-to-weight
317Nm/t212lb-ft/ton
Calculated
295Nm/t197lb-ft/ton
Calculated
Estimated range
647km402mi
Calculated
682km424mi
Calculated
Displacement
2,480cc151cu in
2,894cc177cu in
Length
4,479mm176in
4,954mm195in
Width
1,802mm71in
1,886mm74in
Height
1,397mm55in
1,446mm57in
Wheelbase
2,631mm104in
2,928mm115in
Front track
1,559mm61in
1,633mm64in
Rear track
1,528mm60in
1,618mm64in
Trunk volume
315L
388L
Max trunk volume
770L
-
Doors
4
4
Seats
5
5
Fuel tank
55L
73L
CO2 emissions
191g/km
-

Performance charts

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

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIRS3 sedan (8V)Facelift 20172.5 TFSIAUDIS6 (C8)2.9 TFSI V6
Acceleration checkpoints
0-60 mph
0-97 km/h
3.9 s
4.3 s
0-100 km/h
0-62 mph
4.1 s
4.5 s
0-200 km/h
0-124 mph
11.9 s
13.6 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.2 s
2.2 s
330 ft
101 m
5.4 s
5.6 s
1/8 mile
201 m
7.9 s
8.2 s
1000 ft
305 m
10.1 s
10.5 s
1/4 mile
402 m
11.9 s
12.4 s
Trap speed
1/4 mile
402 m
200 km/h
124 mph
192 km/h
119 mph

Power comparison

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

Chart data table
VehicleValue
AUDIRS3 sedan (8V)Facelift 20172.5 TFSI
400 hp
298 kW
AUDIS6 (C8)2.9 TFSI V6
444 hp
331 kW

AUDI S6 (C8) 2.9 TFSI V6 has 44 hp more than AUDI RS3 sedan (8V) Facelift 2017 2.5 TFSI.

The biggest power difference is between AUDI RS3 sedan (8V) Facelift 2017 2.5 TFSI and AUDI S6 (C8) 2.9 TFSI V6: 44 hp (33 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIRS3 sedan (8V)Facelift 20172.5 TFSI
480 Nm
354 lb-ft
AUDIS6 (C8)2.9 TFSI V6
600 Nm
443 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIRS3 sedan (8V)Facelift 20172.5 TFSI
1,515 kg
3,340 lb
AUDIS6 (C8)2.9 TFSI V6
2,035 kg
4,486 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIRS3 sedan (8V)Facelift 20172.5 TFSI
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIS6 (C8)2.9 TFSI 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
AUDIRS3 sedan (8V)Facelift 20172.5 TFSI4.1 s
AUDIS6 (C8)2.9 TFSI V64.5 s

Although AUDI S6 (C8) 2.9 TFSI V6 has more power, AUDI RS3 sedan (8V) Facelift 2017 2.5 TFSI is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between AUDI RS3 sedan (8V) Facelift 2017 2.5 TFSI and AUDI S6 (C8) 2.9 TFSI V6: 0.4 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIRS3 sedan (8V)Facelift 20172.5 TFSI
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
AUDIS6 (C8)2.9 TFSI V6
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

The biggest fuel consumption difference is between AUDI RS3 sedan (8V) Facelift 2017 2.5 TFSI and AUDI S6 (C8) 2.9 TFSI V6: 2.2 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
AUDIRS3 sedan (8V)Facelift 20172.5 TFSI
264 hp/t
197 kW/t
3.8 kg/hp
AUDIS6 (C8)2.9 TFSI V6
218 hp/t
163 kW/t
4.6 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIRS3 sedan (8V)Facelift 20172.5 TFSI
647 km
402 mi
AUDIS6 (C8)2.9 TFSI V6
682 km
424 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIRS3 sedan (8V)Facelift 20172.5 TFSI
400 hp
298 kW
4.1 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIS6 (C8)2.9 TFSI V6
444 hp
331 kW
4.5 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
AUDIRS3 sedan (8V)Facelift 20172.5 TFSI
Power
400 hp
298 kW
0-100 km/h4.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
315 L
11.1 cu ft
Length
4,479 mm
176.3 in
Height
1,397 mm
55.0 in
AUDIS6 (C8)2.9 TFSI V6
Power
444 hp
331 kW
0-100 km/h4.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
388 L
13.7 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
AUDIRS3 sedan (8V)Facelift 20172.5 TFSI
Power
400 hp
298 kW
0-100 km/h4.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
AUDIS6 (C8)2.9 TFSI V6
Power
444 hp
331 kW
0-100 km/h4.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

AUDI RS3 sedan (8V) Facelift 2017 2.5 TFSI 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
AUDIRS3 sedan (8V)Facelift 20172.5 TFSI
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
4.1 s
AUDIS6 (C8)2.9 TFSI V6
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
4.5 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
AUDIRS3 sedan (8V)Facelift 20172.5 TFSI
264 hp/t
197 kW/t
3.8 kg/hp
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
AUDIS6 (C8)2.9 TFSI V6
218 hp/t
163 kW/t
4.6 kg/hp
10.7 L/100 km
22.0 mpg US
26.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIRS3 sedan (8V)Facelift 20172.5 TFSIAUDIS6 (C8)2.9 TFSI V6
Power
400 hp
298 kW
444 hp
331 kW
Torque
480 Nm
354 lb-ft
600 Nm
443 lb-ft
Acceleration
4.1 s
4.5 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,515 kg
3,340 lb
2,035 kg
4,486 lb
Fuel consumption
8.5 L/100 km
27.7 mpg US
33.2 mpg UK
10.7 L/100 km
22.0 mpg US
26.4 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
315 L
11.1 cu ft
Length
4,479 mm
176.3 in
Height
1,397 mm
55.0 in
Doors/seats
4 doors
5 seats
Trunk
388 L
13.7 cu ft
Length
4,954 mm
195.0 in
Height
1,446 mm
56.9 in
Range score
647 km
402 mi
682 km
424 mi
CO2 score
191 g/km
-
Trunk score
315 L
11.1 cu ft
388 L
13.7 cu ft
Power-to-weight score
264 hp/t
197 kW/t
3.8 kg/hp
218 hp/t
163 kW/t
4.6 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 RS3 sedan (8V) Facelift 2017 2.5 TFSIAUDI S6 (C8) 2.9 TFSI V6
Consumption8.5 L/100 km27.7 mpg US33.2 mpg UK10.7 L/100 km22 mpg US26.4 mpg UK
Cost / 100 km14.88 LC100 km18.72 LC100 km
Cost / 100 mi23.94 LC100 mi30.13 LC100 mi
Annual fuel used1,275 L337 US gal280 UK gal1,605 L424 US gal353 UK gal
Annual fuel cost2,231 LC/year2,809 LC/year

Head-to-head comparisons

AUDI RS3 sedan (8V) Facelift 2017 2.5 TFSI

  • Is 520 kg lighter
  • Is 0.4 s quicker from 0-100 km/h
  • Uses 2.2 L/100 km less fuel
  • Has 46 hp/t better power-to-weight

Pros

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

Cons

  • Lowest power
  • Smallest trunk

AUDI S6 (C8) 2.9 TFSI V6

  • Has 44 hp more
  • Has 120 Nm more
  • Has 35 km (22 mi) more estimated range
  • Has 73 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Best estimated range
  • Largest trunk

Cons

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

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI RS3 sedan (8V) 2.5 TFSI
AUDI S6 (C8) 2.9 TFSI V6
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2 vehicles selected

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AUDI RS3 sedan (8V) · Facelift 2017 2.5 TFSI vs AUDI S6 (C8) 2.9 TFSI V6 - car comparison - FastVsFaster