Car comparison

Infiniti Q50 · Facelift 2017 3.5vsAUDI A8 (D4/4H) · Facelift 2013 3.0 TFSI V6

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

New comparison

Infiniti Q50 · Facelift 2017

3.5

306 hp3498 ccGasolineRWDAutomaticSedan2017-present
VS

AUDI A8 (D4/4H) · Facelift 2013

3.0 TFSI V6

310 hp2995 ccGasolineAWDAutomaticSuperchargedSedan2013-2017

Comparison overview

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

Best choices

Infiniti Q50 Facelift 2017 3.5

  • Quickest 0-100 km/h
    5.1 s
  • Fastest top speed
    265 km/h
    165 mph Unrestricted
    250 km/h
    155 mph Restricted
  • Lightest
    1,787 kg
    3,940 lb
  • Best power-to-weight
    171 hp/t
    128 kW/t
    5.8 kg/hp
  • Lowest combined fuel consumption
    6.2 L/100 km
    37.9 mpg US
    45.6 mpg UK
  • Lowest city consumption
    8.2 L/100 km
    28.7 mpg US
    34.4 mpg UK
  • Lowest highway consumption
    5.1 L/100 km
    46.1 mpg US
    55.4 mpg UK
  • Lowest CO2 emissions
    144 g/km
  • Best estimated range
    1,129 km
    702 mi
  • Best performance score
    66/100
  • Best economy score
    90/100

Specification comparison

Specification comparison
ModelInfinitiQ50Facelift 20173.5AUDIA8 (D4/4H)Facelift 20133.0 TFSI V6
Power
306hp228kW
310hp231kW
Torque
350Nm258lb-ft
440Nm325lb-ft
Curb weight
1,787kg3,940lb
1,830kg4,034lb
Gross weight-
2,520kg5,556lb
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Calculated
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Calculated
To 99% top speed
51.2s99% target: 262 km/h / 163 mph
Calculated
58.4s99% target: 257 km/h / 160 mph
Calculated
0-100 km/h
5.1s
5.7s
0-200 km/h
15.4s
Calculated
17.9s
Calculated
0-60 mph
4.9s
Calculated
5.4s
Calculated
Fuel consumption
6.2L/100 km37.9mpg US45.6mpg UK
7.8L/100 km30.2mpg US36.2mpg UK
Fuel consumption city
8.2L/100 km28.7mpg US34.4mpg UK
10.5L/100 km22.4mpg US26.9mpg UK
Fuel consumption highway
5.1L/100 km46.1mpg US55.4mpg UK
6.3L/100 km37.3mpg US44.8mpg UK
Quarter mile
13.0s
Calculated
13.7s
Calculated
Power-to-weight
171hp/t128kW/t78hp/1000 lb
Calculated
169hp/t126kW/t77hp/1000 lb
Calculated
Torque-to-weight
196Nm/t131lb-ft/ton
Calculated
240Nm/t161lb-ft/ton
Calculated
Estimated range
1,129km702mi
Calculated
1,051km653mi
Calculated
Displacement
3,498cc213cu in
2,995cc183cu in
Length
4,810mm189in
5,135mm202in
Width
1,820mm72in
1,949mm77in
Height
1,430mm56in
1,460mm57in
Wheelbase
2,850mm112in
2,992mm118in
Front track-
1,644mm65in
Rear track-
1,635mm64in
Trunk volume
400L
520L
Doors
4
4
Seats
5
5
Fuel tank
70L
82L
CO2 emissions
144g/km
183g/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.

Infiniti Q50 Facelift 2017 3.5AUDI A8 (D4/4H) Facelift 2013 3.0 TFSI V6PowerTorque
  • Infiniti Q50 Facelift 2017 3.5: Power / Torque
  • AUDI A8 (D4/4H) Facelift 2013 3.0 TFSI V6: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
InfinitiQ50Facelift 20173.56,800 rpm5,000 rpm7,050 rpm
AUDIA8 (D4/4H)Facelift 20133.0 TFSI V65,200-6,500 rpm2,900-4,750 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricInfinitiQ50Facelift 20173.5AUDIA8 (D4/4H)Facelift 20133.0 TFSI V6
Acceleration checkpoints
0-60 mph
0-97 km/h
4.9 s
5.4 s
0-100 km/h
0-62 mph
5.1 s
5.7 s
0-200 km/h
0-124 mph
15.4 s
17.9 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Likely limited
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Limited
Drag race simulation
60 ft
18 m
2.4 s
2.5 s
330 ft
101 m
5.9 s
6.2 s
1/8 mile
201 m
8.7 s
9.1 s
1000 ft
305 m
11.1 s
11.6 s
1/4 mile
402 m
13.0 s
13.7 s
Trap speed
1/4 mile
402 m
185 km/h
115 mph
176 km/h
109 mph

Power comparison

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

Chart data table
VehicleValue
InfinitiQ50Facelift 20173.5
306 hp
228 kW
AUDIA8 (D4/4H)Facelift 20133.0 TFSI V6
310 hp
231 kW

AUDI A8 (D4/4H) Facelift 2013 3.0 TFSI V6 has 4 hp more than Infiniti Q50 Facelift 2017 3.5.

The biggest power difference is between Infiniti Q50 Facelift 2017 3.5 and AUDI A8 (D4/4H) Facelift 2013 3.0 TFSI V6: 4 hp (3 kW).

Torque comparison

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

Chart data table
VehicleValue
InfinitiQ50Facelift 20173.5
350 Nm
258 lb-ft
AUDIA8 (D4/4H)Facelift 20133.0 TFSI V6
440 Nm
325 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
InfinitiQ50Facelift 20173.5
1,787 kg
3,940 lb
AUDIA8 (D4/4H)Facelift 20133.0 TFSI V6
1,830 kg
4,034 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
InfinitiQ50Facelift 20173.5
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIA8 (D4/4H)Facelift 20133.0 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

Although AUDI A8 (D4/4H) Facelift 2013 3.0 TFSI V6 has more power, Infiniti Q50 Facelift 2017 3.5 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Infiniti Q50 Facelift 2017 3.5 and AUDI A8 (D4/4H) Facelift 2013 3.0 TFSI V6: 0.6 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
InfinitiQ50Facelift 20173.5
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
AUDIA8 (D4/4H)Facelift 20133.0 TFSI V6
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

The biggest fuel consumption difference is between Infiniti Q50 Facelift 2017 3.5 and AUDI A8 (D4/4H) Facelift 2013 3.0 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
InfinitiQ50Facelift 20173.5
171 hp/t
128 kW/t
5.8 kg/hp
AUDIA8 (D4/4H)Facelift 20133.0 TFSI V6
169 hp/t
126 kW/t
5.9 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
InfinitiQ50Facelift 20173.5
1,129 km
702 mi
AUDIA8 (D4/4H)Facelift 20133.0 TFSI V6
1,051 km
653 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
InfinitiQ50Facelift 20173.5
306 hp
228 kW
5.1 s
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
AUDIA8 (D4/4H)Facelift 20133.0 TFSI V6
310 hp
231 kW
5.7 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
InfinitiQ50Facelift 20173.5
Power
306 hp
228 kW
0-100 km/h5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
400 L
14.1 cu ft
Length
4,810 mm
189.4 in
Height
1,430 mm
56.3 in
AUDIA8 (D4/4H)Facelift 20133.0 TFSI V6
Power
310 hp
231 kW
0-100 km/h5.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
5,135 mm
202.2 in
Height
1,460 mm
57.5 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
InfinitiQ50Facelift 20173.5
Power
306 hp
228 kW
0-100 km/h5.1 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
AUDIA8 (D4/4H)Facelift 20133.0 TFSI V6
Power
310 hp
231 kW
0-100 km/h5.7 s
Top speed
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

Infiniti Q50 Facelift 2017 3.5 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
InfinitiQ50Facelift 20173.5
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
5.1 s
AUDIA8 (D4/4H)Facelift 20133.0 TFSI V6
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
5.7 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
InfinitiQ50Facelift 20173.5
171 hp/t
128 kW/t
5.8 kg/hp
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
AUDIA8 (D4/4H)Facelift 20133.0 TFSI V6
169 hp/t
126 kW/t
5.9 kg/hp
7.8 L/100 km
30.2 mpg US
36.2 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleInfinitiQ50Facelift 20173.5AUDIA8 (D4/4H)Facelift 20133.0 TFSI V6
Power
306 hp
228 kW
310 hp
231 kW
Torque
350 Nm
258 lb-ft
440 Nm
325 lb-ft
Acceleration
5.1 s
5.7 s
Top speed
Unrestricted
265 km/h165 mph
Restricted
250 km/h155 mph
Unrestricted
260 km/h162 mph
Restricted
250 km/h155 mph
Lightness
1,787 kg
3,940 lb
1,830 kg
4,034 lb
Fuel consumption
6.2 L/100 km
37.9 mpg US
45.6 mpg UK
7.8 L/100 km
30.2 mpg US
36.2 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
400 L
14.1 cu ft
Length
4,810 mm
189.4 in
Height
1,430 mm
56.3 in
Doors/seats
4 doors
5 seats
Trunk
520 L
18.4 cu ft
Length
5,135 mm
202.2 in
Height
1,460 mm
57.5 in
Range score
1,129 km
702 mi
1,051 km
653 mi
CO2 score
144 g/km
183 g/km
Trunk score
400 L
14.1 cu ft
520 L
18.4 cu ft
Power-to-weight score
171 hp/t
128 kW/t
5.8 kg/hp
169 hp/t
126 kW/t
5.9 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
VehicleInfiniti Q50 Facelift 2017 3.5AUDI A8 (D4/4H) Facelift 2013 3.0 TFSI V6
Consumption6.2 L/100 km37.9 mpg US45.6 mpg UK7.8 L/100 km30.2 mpg US36.2 mpg UK
Cost / 100 km10.85 LC100 km13.65 LC100 km
Cost / 100 mi17.46 LC100 mi21.97 LC100 mi
Annual fuel used930 L246 US gal205 UK gal1,170 L309 US gal257 UK gal
Annual fuel cost1,628 LC/year2,048 LC/year

Head-to-head comparisons

Infiniti Q50 Facelift 2017 3.5

  • Is 43 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Has 5 km/h (3 mph) higher top speed
  • Uses 1.6 L/100 km less fuel
  • Has 2 hp/t better power-to-weight
  • Has 78 km (48 mi) more estimated range
  • Emits 39 g/km less CO2

Pros

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

Cons

  • Lowest power
  • Smallest trunk

AUDI A8 (D4/4H) Facelift 2013 3.0 TFSI V6

  • Has 4 hp more
  • Has 90 Nm more
  • Has 120 L more trunk volume

Pros

  • Most powerful
  • Highest torque
  • Largest trunk

Cons

  • Slowest 0-100 km/h
  • Highest combined fuel consumption
  • Heaviest
  • Lowest top speed
  • Highest CO2 emissions

Choose cars to compare

Brand
Model
Generation
Engine or modification
Infiniti Q50 3.5
AUDI A8 (D4/4H) 3.0 TFSI V6
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