Car comparison

Infiniti Q50 · Facelift 2017 2.2dvsPeugeot 408 II 1.6 THP

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

New comparison

Infiniti Q50 · Facelift 2017

2.2d

170 hp2143 ccDieselRWDAutomaticTurbochargedSedan2017-present
VS

Peugeot 408 II

1.6 THP

167 hp1598 ccGasolineFWDAutomaticTurbochargedSedan2014-2017

Comparison overview

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

Best choices

Infiniti Q50 Facelift 2017 2.2d

  • Fastest top speed
    230 km/h
    143 mph
  • Most powerful
    170 hp
    127 kW
  • Highest torque
    400 Nm
    295 lb-ft
  • Lowest combined fuel consumption
    4.6 L/100 km
    51.1 mpg US
    61.4 mpg UK
  • Best estimated range
    1,609 km
    1,000 mi
  • Best overall score
    55/100
  • Best performance score
    47/100
  • Best economy score
    94/100

Peugeot 408 II 1.6 THP

  • Quickest 0-100 km/h
    8.2 s
  • Lightest
    1,415 kg
    3,120 lb
  • Best power-to-weight
    118 hp/t
    88 kW/t
    8.5 kg/hp
  • Largest trunk
    455 L
  • Best practicality score
    74/100

Specification comparison

Specification comparison
ModelInfinitiQ50Facelift 20172.2dPeugeot408 II1.6 THP
Power
170hp127kW
167hp125kW
Torque
400Nm295lb-ft
245Nm181lb-ft
Curb weight
1,796kg3,960lb
1,415kg3,120lb
Top speed
230 km/h
143 mph
215 km/h
134 mph
To 99% top speed
80.9s99% target: 228 km/h / 141 mph
Calculated
66.7s99% target: 213 km/h / 132 mph
Calculated
0-100 km/h
8.7s
8.2s
0-200 km/h
33.9s
Calculated
37.6s
Calculated
0-60 mph
8.3s
Calculated
7.8s
Calculated
Fuel consumption
4.6L/100 km51.1mpg US61.4mpg UK
5.9L/100 km39.9mpg US47.9mpg UK
Fuel consumption city
5.7L/100 km41.3mpg US49.6mpg UK
-
Fuel consumption highway
4L/100 km58.8mpg US70.6mpg UK
-
Quarter mile
16.3s
Calculated
16.0s
Calculated
Power-to-weight
95hp/t71kW/t43hp/1000 lb
Calculated
118hp/t88kW/t54hp/1000 lb
Calculated
Torque-to-weight
223Nm/t149lb-ft/ton
Calculated
173Nm/t116lb-ft/ton
Calculated
Estimated range
1,609km1,000mi
Calculated
898km558mi
Calculated
Displacement
2,143cc131cu in
1,598cc98cu in
Length
4,810mm189in
4,750mm187in
Width
1,820mm72in
1,820mm72in
Height
1,445mm57in
1,488mm59in
Wheelbase
2,850mm112in
2,730mm107in
Front track-
1,555mm61in
Rear track-
1,550mm61in
Ground clearance-
124mm5in
Trunk volume
450L
455L
Doors
4
4
Seats
5
5
Fuel tank
74L
53L
CO2 emissions
123g/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 2.2dPeugeot 408 II 1.6 THPPowerTorque
  • Infiniti Q50 Facelift 2017 2.2d: Power / Torque
  • Peugeot 408 II 1.6 THP: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
InfinitiQ50Facelift 20172.2d3,200-4,000 rpm1,600-2,800 rpm4,250 rpm
Peugeot408 II1.6 THP6,000 rpm1,400-4,000 rpm6,250 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricInfinitiQ50Facelift 20172.2dPeugeot408 II1.6 THP
Acceleration checkpoints
0-60 mph
0-97 km/h
8.3 s
7.8 s
0-100 km/h
0-62 mph
8.7 s
8.2 s
0-200 km/h
0-124 mph
33.9 s
37.6 s
Top speed
230 km/h
143 mph
215 km/h
134 mph
Drag race simulation
60 ft
18 m
2.9 s
2.8 s
330 ft
101 m
7.3 s
7.1 s
1/8 mile
201 m
10.9 s
10.6 s
1000 ft
305 m
13.8 s
13.5 s
1/4 mile
402 m
16.3 s
16.0 s
Trap speed
1/4 mile
402 m
148 km/h
92 mph
149 km/h
93 mph

Power comparison

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

Chart data table
VehicleValue
InfinitiQ50Facelift 20172.2d
170 hp
127 kW
Peugeot408 II1.6 THP
167 hp
125 kW

Infiniti Q50 Facelift 2017 2.2d has 3 hp more than Peugeot 408 II 1.6 THP.

The biggest power difference is between Peugeot 408 II 1.6 THP and Infiniti Q50 Facelift 2017 2.2d: 3 hp (2 kW).

Torque comparison

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

Chart data table
VehicleValue
InfinitiQ50Facelift 20172.2d
400 Nm
295 lb-ft
Peugeot408 II1.6 THP
245 Nm
181 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
InfinitiQ50Facelift 20172.2d
1,796 kg
3,960 lb
Peugeot408 II1.6 THP
1,415 kg
3,120 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 20172.2d
230 km/h
143 mph
Peugeot408 II1.6 THP
215 km/h
134 mph

0-100 km/h comparison

Bar comparison chart for 0-100 km/h. Lower is better · seconds

Chart data table
VehicleValue
InfinitiQ50Facelift 20172.2d8.7 s
Peugeot408 II1.6 THP8.2 s

Although Infiniti Q50 Facelift 2017 2.2d has more power, Peugeot 408 II 1.6 THP is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Peugeot 408 II 1.6 THP and Infiniti Q50 Facelift 2017 2.2d: 0.5 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 20172.2d
4.6 L/100 km
51.1 mpg US
61.4 mpg UK
Peugeot408 II1.6 THP
5.9 L/100 km
39.9 mpg US
47.9 mpg UK

The biggest fuel consumption difference is between Infiniti Q50 Facelift 2017 2.2d and Peugeot 408 II 1.6 THP: 1.3 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 20172.2d
95 hp/t
71 kW/t
10.6 kg/hp
Peugeot408 II1.6 THP
118 hp/t
88 kW/t
8.5 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
InfinitiQ50Facelift 20172.2d
1,609 km
1,000 mi
Peugeot408 II1.6 THP
898 km
558 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
InfinitiQ50Facelift 20172.2d
170 hp
127 kW
8.7 s
230 km/h
143 mph
Peugeot408 II1.6 THP
167 hp
125 kW
8.2 s
215 km/h
134 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 20172.2d
Power
170 hp
127 kW
0-100 km/h8.7 s
Top speed
230 km/h
143 mph
Doors/seats
4 doors
5 seats
Trunk
450 L
15.9 cu ft
Length
4,810 mm
189.4 in
Height
1,445 mm
56.9 in
Peugeot408 II1.6 THP
Power
167 hp
125 kW
0-100 km/h8.2 s
Top speed
215 km/h
134 mph
Doors/seats
4 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,750 mm
187.0 in
Height
1,488 mm
58.6 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 20172.2d
Power
170 hp
127 kW
0-100 km/h8.7 s
Top speed
230 km/h
143 mph
4.6 L/100 km
51.1 mpg US
61.4 mpg UK
Peugeot408 II1.6 THP
Power
167 hp
125 kW
0-100 km/h8.2 s
Top speed
215 km/h
134 mph
5.9 L/100 km
39.9 mpg US
47.9 mpg UK

Infiniti Q50 Facelift 2017 2.2d 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 20172.2d
4.6 L/100 km
51.1 mpg US
61.4 mpg UK
8.7 s
Peugeot408 II1.6 THP
5.9 L/100 km
39.9 mpg US
47.9 mpg UK
8.2 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 20172.2d
95 hp/t
71 kW/t
10.6 kg/hp
4.6 L/100 km
51.1 mpg US
61.4 mpg UK
Peugeot408 II1.6 THP
118 hp/t
88 kW/t
8.5 kg/hp
5.9 L/100 km
39.9 mpg US
47.9 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleInfinitiQ50Facelift 20172.2dPeugeot408 II1.6 THP
Power
170 hp
127 kW
167 hp
125 kW
Torque
400 Nm
295 lb-ft
245 Nm
181 lb-ft
Acceleration
8.7 s
8.2 s
Top speed
230 km/h
143 mph
215 km/h
134 mph
Lightness
1,796 kg
3,960 lb
1,415 kg
3,120 lb
Fuel consumption
4.6 L/100 km
51.1 mpg US
61.4 mpg UK
5.9 L/100 km
39.9 mpg US
47.9 mpg UK
Practicality
Doors/seats
4 doors
5 seats
Trunk
450 L
15.9 cu ft
Length
4,810 mm
189.4 in
Height
1,445 mm
56.9 in
Doors/seats
4 doors
5 seats
Trunk
455 L
16.1 cu ft
Length
4,750 mm
187.0 in
Height
1,488 mm
58.6 in
Range score
1,609 km
1,000 mi
898 km
558 mi
CO2 score
123 g/km
-
Trunk score
450 L
15.9 cu ft
455 L
16.1 cu ft
Power-to-weight score
95 hp/t
71 kW/t
10.6 kg/hp
118 hp/t
88 kW/t
8.5 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 2.2dPeugeot 408 II 1.6 THP
Consumption4.6 L/100 km51.1 mpg US61.4 mpg UK5.9 L/100 km39.9 mpg US47.9 mpg UK
Cost / 100 km8.05 LC100 km10.33 LC100 km
Cost / 100 mi12.96 LC100 mi16.62 LC100 mi
Annual fuel used690 L182 US gal152 UK gal885 L234 US gal195 UK gal
Annual fuel cost1,208 LC/year1,549 LC/year

Head-to-head comparisons

Infiniti Q50 Facelift 2017 2.2d

  • Has 3 hp more
  • Has 155 Nm more
  • Has 15 km/h (9 mph) higher top speed
  • Uses 1.3 L/100 km less fuel
  • Has 710 km (441 mi) more estimated range

Pros

  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Smallest trunk

Peugeot 408 II 1.6 THP

  • Is 381 kg lighter
  • Is 0.5 s quicker from 0-100 km/h
  • Has 23 hp/t better power-to-weight
  • Has 5 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Lightest
  • Best power-to-weight ratio
  • Largest trunk

Cons

  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed

Choose cars to compare

Brand
Model
Generation
Engine or modification
Infiniti Q50 2.2d
Peugeot 408 II 1.6 THP
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2 vehicles selected

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Infiniti Q50 · Facelift 2017 2.2d vs Peugeot 408 II 1.6 THP - car comparison - FastVsFaster