Car comparison

Lexus GS IV · Facelift 2015 F 5.0 V8vsAUDI S6 (C7) · Facelift 2016 4.0 TFSI V8

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

New comparison

Lexus GS IV · Facelift 2015

F 5.0 V8

477 hp4969 ccGasolineRWDAutomaticNaturally aspiratedSedan2016-2020
VS

AUDI S6 (C7) · Facelift 2016

4.0 TFSI V8

450 hp3993 ccGasolineAWDAutomaticTurbochargedSedan2016-2018

Comparison overview

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

Best choices

AUDI S6 (C7) Facelift 2016 4.0 TFSI V8

  • Quickest 0-100 km/h
    4.4 s
  • Highest torque
    550 Nm
    406 lb-ft
  • Lowest combined fuel consumption
    9.4 L/100 km
    25.0 mpg US
    30.1 mpg UK
  • Lowest city consumption
    13.3 L/100 km
    17.7 mpg US
    21.2 mpg UK
  • Lowest highway consumption
    7.1 L/100 km
    33.1 mpg US
    39.8 mpg UK
  • Lowest CO2 emissions
    218 g/km
  • Best estimated range
    798 km
    496 mi
  • Best economy score
    82/100

Lexus GS IV Facelift 2015 F 5.0 V8

  • Fastest top speed
    285 km/h
    177 mph Unrestricted
    270 km/h
    168 mph Restricted
  • Most powerful
    477 hp
    356 kW
  • Lightest
    1,865 kg
    4,112 lb
  • Best power-to-weight
    256 hp/t
    191 kW/t
    3.9 kg/hp
  • Best overall score
    80/100
  • Best performance score
    81/100
  • Best practicality score
    78/100

Specification comparison

Specification comparison
ModelLexusGS IVFacelift 2015F 5.0 V8AUDIS6 (C7)Facelift 20164.0 TFSI V8
Power
477hp356kW
450hp336kW
Torque
530Nm391lb-ft
550Nm406lb-ft
Curb weight
1,865kg4,112lb
1,895kg4,178lb
Gross weight
2,320kg5,115lb
2,505kg5,523lb
Top speed
Unrestricted
285 km/h177 mph
Restricted
270 km/h168 mph
Calculated
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
45.9s99% target: 282 km/h / 175 mph
Calculated
42.6s99% target: 262 km/h / 163 mph
Calculated
0-100 km/h
4.6s
4.4s
0-200 km/h
12.5s
Calculated
13.0s
Calculated
0-60 mph
4.4s
Calculated
4.2s
Calculated
Fuel consumption
11.2L/100 km21mpg US25.2mpg UK
9.4L/100 km25mpg US30.1mpg UK
Fuel consumption city
16.6L/100 km14.2mpg US17.0mpg UK
13.3L/100 km17.7mpg US21.2mpg UK
Fuel consumption highway
8.1L/100 km29mpg US34.9mpg UK
7.1L/100 km33.1mpg US39.8mpg UK
Quarter mile
12.4s
Calculated
12.3s
Calculated
Power-to-weight
256hp/t191kW/t116hp/1000 lb
Calculated
237hp/t177kW/t108hp/1000 lb
Calculated
Torque-to-weight
284Nm/t190lb-ft/ton
Calculated
290Nm/t194lb-ft/ton
Calculated
Estimated range
589km366mi
Calculated
798km496mi
Calculated
Displacement
4,969cc303cu in
3,993cc244cu in
Length
4,915mm194in
4,931mm194in
Width
1,845mm73in
1,874mm74in
Height
1,440mm57in
1,468mm58in
Wheelbase
2,850mm112in
2,917mm115in
Front track-
1,615mm64in
Rear track-
1,607mm63in
Trunk volume-
530L
Max trunk volume-
995L
Doors
4
4
Seats
5
5
Fuel tank
66L
75L
CO2 emissions
260g/km
218g/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.

Lexus GS IV Facelift 2015 F 5.0 V8AUDI S6 (C7) Facelift 2016 4.0 TFSI V8PowerTorque
  • Lexus GS IV Facelift 2015 F 5.0 V8: Power / Torque
  • AUDI S6 (C7) Facelift 2016 4.0 TFSI V8: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
LexusGS IVFacelift 2015F 5.0 V87,100 rpm4,800-5,600 rpm7,350 rpm
AUDIS6 (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
MetricLexusGS IVFacelift 2015F 5.0 V8AUDIS6 (C7)Facelift 20164.0 TFSI V8
Acceleration checkpoints
0-60 mph
0-97 km/h
4.4 s
4.2 s
0-100 km/h
0-62 mph
4.6 s
4.4 s
0-200 km/h
0-124 mph
12.5 s
13.0 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
270 km/h168 mph
Likely limited
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Drag race simulation
60 ft
18 m
2.3 s
2.2 s
330 ft
101 m
5.7 s
5.5 s
1/8 mile
201 m
8.3 s
8.2 s
1000 ft
305 m
10.5 s
10.4 s
1/4 mile
402 m
12.4 s
12.3 s
Trap speed
1/4 mile
402 m
199 km/h
123 mph
194 km/h
121 mph

Power comparison

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

Chart data table
VehicleValue
LexusGS IVFacelift 2015F 5.0 V8
477 hp
356 kW
AUDIS6 (C7)Facelift 20164.0 TFSI V8
450 hp
336 kW

Lexus GS IV Facelift 2015 F 5.0 V8 has 27 hp more than AUDI S6 (C7) Facelift 2016 4.0 TFSI V8.

The biggest power difference is between AUDI S6 (C7) Facelift 2016 4.0 TFSI V8 and Lexus GS IV Facelift 2015 F 5.0 V8: 27 hp (20 kW).

Torque comparison

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

Chart data table
VehicleValue
LexusGS IVFacelift 2015F 5.0 V8
530 Nm
391 lb-ft
AUDIS6 (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
LexusGS IVFacelift 2015F 5.0 V8
1,865 kg
4,112 lb
AUDIS6 (C7)Facelift 20164.0 TFSI V8
1,895 kg
4,178 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
LexusGS IVFacelift 2015F 5.0 V8
Unrestricted
285 km/h177 mph
Restricted
270 km/h168 mph
AUDIS6 (C7)Facelift 20164.0 TFSI V8
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
LexusGS IVFacelift 2015F 5.0 V84.6 s
AUDIS6 (C7)Facelift 20164.0 TFSI V84.4 s

Although Lexus GS IV Facelift 2015 F 5.0 V8 has more power, AUDI S6 (C7) Facelift 2016 4.0 TFSI V8 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between AUDI S6 (C7) Facelift 2016 4.0 TFSI V8 and Lexus GS IV Facelift 2015 F 5.0 V8: 0.2 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
LexusGS IVFacelift 2015F 5.0 V8
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
AUDIS6 (C7)Facelift 20164.0 TFSI V8
9.4 L/100 km
25.0 mpg US
30.1 mpg UK

The biggest fuel consumption difference is between AUDI S6 (C7) Facelift 2016 4.0 TFSI V8 and Lexus GS IV Facelift 2015 F 5.0 V8: 1.8 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
LexusGS IVFacelift 2015F 5.0 V8
256 hp/t
191 kW/t
3.9 kg/hp
AUDIS6 (C7)Facelift 20164.0 TFSI V8
237 hp/t
177 kW/t
4.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
LexusGS IVFacelift 2015F 5.0 V8
589 km
366 mi
AUDIS6 (C7)Facelift 20164.0 TFSI V8
798 km
496 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
LexusGS IVFacelift 2015F 5.0 V8
477 hp
356 kW
4.6 s
Unrestricted
285 km/h177 mph
Restricted
270 km/h168 mph
AUDIS6 (C7)Facelift 20164.0 TFSI V8
450 hp
336 kW
4.4 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
LexusGS IVFacelift 2015F 5.0 V8
Power
477 hp
356 kW
0-100 km/h4.6 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
270 km/h168 mph
Doors/seats
4 doors
5 seats
Trunk-
Length
4,915 mm
193.5 in
Height
1,440 mm
56.7 in
AUDIS6 (C7)Facelift 20164.0 TFSI V8
Power
450 hp
336 kW
0-100 km/h4.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
530 L
18.7 cu ft
Length
4,931 mm
194.1 in
Height
1,468 mm
57.8 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
LexusGS IVFacelift 2015F 5.0 V8
Power
477 hp
356 kW
0-100 km/h4.6 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
270 km/h168 mph
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
AUDIS6 (C7)Facelift 20164.0 TFSI V8
Power
450 hp
336 kW
0-100 km/h4.4 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
9.4 L/100 km
25.0 mpg US
30.1 mpg UK

AUDI S6 (C7) Facelift 2016 4.0 TFSI V8 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
LexusGS IVFacelift 2015F 5.0 V8
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
4.6 s
AUDIS6 (C7)Facelift 20164.0 TFSI V8
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
4.4 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
LexusGS IVFacelift 2015F 5.0 V8
256 hp/t
191 kW/t
3.9 kg/hp
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
AUDIS6 (C7)Facelift 20164.0 TFSI V8
237 hp/t
177 kW/t
4.2 kg/hp
9.4 L/100 km
25.0 mpg US
30.1 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleLexusGS IVFacelift 2015F 5.0 V8AUDIS6 (C7)Facelift 20164.0 TFSI V8
Power
477 hp
356 kW
450 hp
336 kW
Torque
530 Nm
391 lb-ft
550 Nm
406 lb-ft
Acceleration
4.6 s
4.4 s
Top speed
Unrestricted
285 km/h177 mph
Restricted
270 km/h168 mph
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Lightness
1,865 kg
4,112 lb
1,895 kg
4,178 lb
Fuel consumption
11.2 L/100 km
21.0 mpg US
25.2 mpg UK
9.4 L/100 km
25.0 mpg US
30.1 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk-
Length
4,915 mm
193.5 in
Height
1,440 mm
56.7 in
Doors/seats
4 doors
5 seats
Trunk
530 L
18.7 cu ft
Length
4,931 mm
194.1 in
Height
1,468 mm
57.8 in
Range score
589 km
366 mi
798 km
496 mi
CO2 score
260 g/km
218 g/km
Trunk score
-
530 L
18.7 cu ft
Power-to-weight score
256 hp/t
191 kW/t
3.9 kg/hp
237 hp/t
177 kW/t
4.2 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
VehicleLexus GS IV Facelift 2015 F 5.0 V8AUDI S6 (C7) Facelift 2016 4.0 TFSI V8
Consumption11.2 L/100 km21 mpg US25.2 mpg UK9.4 L/100 km25 mpg US30.1 mpg UK
Cost / 100 km19.60 LC100 km16.45 LC100 km
Cost / 100 mi31.54 LC100 mi26.47 LC100 mi
Annual fuel used1,680 L444 US gal370 UK gal1,410 L372 US gal310 UK gal
Annual fuel cost2,940 LC/year2,468 LC/year

Head-to-head comparisons

Lexus GS IV Facelift 2015 F 5.0 V8

  • Has 27 hp more
  • Is 30 kg lighter
  • Has 20 km/h (12 mph) higher top speed
  • Has 18 hp/t better power-to-weight

Pros

  • Highest top speed
  • Most powerful
  • Lightest
  • Best power-to-weight ratio

Cons

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

AUDI S6 (C7) Facelift 2016 4.0 TFSI V8

  • Has 20 Nm more
  • Is 0.2 s quicker from 0-100 km/h
  • Uses 1.8 L/100 km less fuel
  • Has 209 km (130 mi) more estimated range
  • Emits 42 g/km less CO2

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Lowest power
  • Heaviest
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Lexus GS IV F 5.0 V8
AUDI S6 (C7) 4.0 TFSI V8
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2 vehicles selected

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