Car comparison

AUDI Q8 (4M) 50 TDI V6vsAUDI Q5 II (FY) 45 TFSI

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

New comparison

AUDI Q8 (4M)

50 TDI V6

286 hp2967 ccDieselAWDAutomaticTurbochargedSUV2018-2020
VS

AUDI Q5 II (FY)

45 TFSI

245 hp1984 ccGasolineAWDAutomaticTurbochargedSUV2019-2020

Comparison overview

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

Best choices

AUDI Q8 (4M) 50 TDI V6

  • Quickest 0-100 km/h
    6.3 s
  • Fastest top speed
    245 km/h
    152 mph
  • Most powerful
    286 hp
    213 kW
  • Highest torque
    600 Nm
    443 lb-ft
  • Lowest combined fuel consumption
    6.8 L/100 km
    34.6 mpg US
    41.5 mpg UK
  • Lowest city consumption
    7.3 L/100 km
    32.2 mpg US
    38.7 mpg UK
  • Best estimated range
    1,103 km
    685 mi
  • Largest trunk
    605 L
  • Best overall score
    71/100
  • Best performance score
    62/100
  • Best economy score
    89/100
  • Best practicality score
    89/100

AUDI Q5 II (FY) 45 TFSI

  • Lightest
    1,750 kg
    3,858 lb
  • Best power-to-weight
    140 hp/t
    104 kW/t
    7.1 kg/hp
  • Lowest highway consumption
    6.4 L/100 km
    36.8 mpg US
    44.1 mpg UK
  • Lowest CO2 emissions
    172 g/km

Specification comparison

Specification comparison
ModelAUDIQ8 (4M)50 TDI V6AUDIQ5 II (FY)45 TFSI
Power
286hp213kW
245hp183kW
Torque
600Nm443lb-ft
370Nm273lb-ft
Curb weight
2,145kg4,729lb
1,750kg3,858lb
Gross weight
2,890kg6,371lb
2,435kg5,368lb
Top speed
245 km/h
152 mph
237 km/h
147 mph
To 99% top speed
90.8s99% target: 243 km/h / 151 mph
Calculated
74.1s99% target: 235 km/h / 146 mph
Calculated
0-100 km/h
6.3s
6.4s
0-200 km/h
26.6s
Calculated
26.1s
Calculated
0-60 mph
6.0s
Calculated
6.1s
Calculated
Fuel consumption
6.8L/100 km34.6mpg US41.5mpg UK
7.5L/100 km31.4mpg US37.7mpg UK
Fuel consumption city
7.3L/100 km32.2mpg US38.7mpg UK
9.5L/100 km24.8mpg US29.7mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
6.4L/100 km36.8mpg US44.1mpg UK
Quarter mile
14.4s
Calculated
14.5s
Calculated
Power-to-weight
133hp/t99kW/t60hp/1000 lb
Calculated
140hp/t104kW/t64hp/1000 lb
Calculated
Torque-to-weight
280Nm/t187lb-ft/ton
Calculated
211Nm/t141lb-ft/ton
Calculated
Estimated range
1,103km685mi
Calculated
933km580mi
Calculated
Displacement
2,967cc181cu in
1,984cc121cu in
Length
4,986mm196in
4,663mm184in
Width
1,995mm79in
1,893mm75in
Height
1,705mm67in
1,659mm65in
Wheelbase
2,995mm118in
2,819mm111in
Front track
1,679mm66in
1,616mm64in
Rear track
1,691mm67in
1,609mm63in
Ground clearance
254mm10in
-
Trunk volume
605L
550L
Max trunk volume
1,755L
-
Doors
5
5
Seats
5
5
Fuel tank
75L
70L
CO2 emissions
178g/km
172g/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 Q8 (4M) 50 TDI V6AUDI Q5 II (FY) 45 TFSIPowerTorque
  • AUDI Q8 (4M) 50 TDI V6: Power / Torque
  • AUDI Q5 II (FY) 45 TFSI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIQ8 (4M)50 TDI V63,500-4,000 rpm2,250-3,250 rpm4,250 rpm
AUDIQ5 II (FY)45 TFSI5,000-6,500 rpm1,600-4,300 rpm6,750 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIQ8 (4M)50 TDI V6AUDIQ5 II (FY)45 TFSI
Acceleration checkpoints
0-60 mph
0-97 km/h
6.0 s
6.1 s
0-100 km/h
0-62 mph
6.3 s
6.4 s
0-200 km/h
0-124 mph
26.6 s
26.1 s
Top speed
245 km/h
152 mph
237 km/h
147 mph
Drag race simulation
60 ft
18 m
2.3 s
2.4 s
330 ft
101 m
6.2 s
6.3 s
1/8 mile
201 m
9.4 s
9.5 s
1000 ft
305 m
12.1 s
12.2 s
1/4 mile
402 m
14.4 s
14.5 s
Trap speed
1/4 mile
402 m
158 km/h
98 mph
159 km/h
99 mph

Power comparison

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

Chart data table
VehicleValue
AUDIQ8 (4M)50 TDI V6
286 hp
213 kW
AUDIQ5 II (FY)45 TFSI
245 hp
183 kW

AUDI Q8 (4M) 50 TDI V6 has 41 hp more than AUDI Q5 II (FY) 45 TFSI.

The biggest power difference is between AUDI Q5 II (FY) 45 TFSI and AUDI Q8 (4M) 50 TDI V6: 41 hp (31 kW).

Torque comparison

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

Chart data table
VehicleValue
AUDIQ8 (4M)50 TDI V6
600 Nm
443 lb-ft
AUDIQ5 II (FY)45 TFSI
370 Nm
273 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIQ8 (4M)50 TDI V6
2,145 kg
4,729 lb
AUDIQ5 II (FY)45 TFSI
1,750 kg
3,858 lb

Top speed without limiter comparison

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

Chart data table
VehicleValue
AUDIQ8 (4M)50 TDI V6
245 km/h
152 mph
AUDIQ5 II (FY)45 TFSI
237 km/h
147 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
AUDIQ8 (4M)50 TDI V66.3 s
AUDIQ5 II (FY)45 TFSI6.4 s

The biggest 0-100 km/h difference is between AUDI Q8 (4M) 50 TDI V6 and AUDI Q5 II (FY) 45 TFSI: 0.1 s.

Fuel consumption comparison

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

Chart data table
VehicleValue
AUDIQ8 (4M)50 TDI V6
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
AUDIQ5 II (FY)45 TFSI
7.5 L/100 km
31.4 mpg US
37.7 mpg UK

The biggest fuel consumption difference is between AUDI Q8 (4M) 50 TDI V6 and AUDI Q5 II (FY) 45 TFSI: 0.7 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
AUDIQ8 (4M)50 TDI V6
133 hp/t
99 kW/t
7.5 kg/hp
AUDIQ5 II (FY)45 TFSI
140 hp/t
104 kW/t
7.1 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIQ8 (4M)50 TDI V6
1,103 km
685 mi
AUDIQ5 II (FY)45 TFSI
933 km
580 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIQ8 (4M)50 TDI V6
286 hp
213 kW
6.3 s
245 km/h
152 mph
AUDIQ5 II (FY)45 TFSI
245 hp
183 kW
6.4 s
237 km/h
147 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
AUDIQ8 (4M)50 TDI V6
Power
286 hp
213 kW
0-100 km/h6.3 s
Top speed
245 km/h
152 mph
Doors/seats
5 doors
5 seats
Trunk
605 L
21.4 cu ft
Length
4,986 mm
196.3 in
Height
1,705 mm
67.1 in
AUDIQ5 II (FY)45 TFSI
Power
245 hp
183 kW
0-100 km/h6.4 s
Top speed
237 km/h
147 mph
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,663 mm
183.6 in
Height
1,659 mm
65.3 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
AUDIQ8 (4M)50 TDI V6
Power
286 hp
213 kW
0-100 km/h6.3 s
Top speed
245 km/h
152 mph
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
AUDIQ5 II (FY)45 TFSI
Power
245 hp
183 kW
0-100 km/h6.4 s
Top speed
237 km/h
147 mph
7.5 L/100 km
31.4 mpg US
37.7 mpg UK

AUDI Q8 (4M) 50 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
AUDIQ8 (4M)50 TDI V6
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
6.3 s
AUDIQ5 II (FY)45 TFSI
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
6.4 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
AUDIQ8 (4M)50 TDI V6
133 hp/t
99 kW/t
7.5 kg/hp
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
AUDIQ5 II (FY)45 TFSI
140 hp/t
104 kW/t
7.1 kg/hp
7.5 L/100 km
31.4 mpg US
37.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIQ8 (4M)50 TDI V6AUDIQ5 II (FY)45 TFSI
Power
286 hp
213 kW
245 hp
183 kW
Torque
600 Nm
443 lb-ft
370 Nm
273 lb-ft
Acceleration
6.3 s
6.4 s
Top speed
245 km/h
152 mph
237 km/h
147 mph
Lightness
2,145 kg
4,729 lb
1,750 kg
3,858 lb
Fuel consumption
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
7.5 L/100 km
31.4 mpg US
37.7 mpg UK
Practicality
Doors/seats
5 doors
5 seats
Trunk
605 L
21.4 cu ft
Length
4,986 mm
196.3 in
Height
1,705 mm
67.1 in
Doors/seats
5 doors
5 seats
Trunk
550 L
19.4 cu ft
Length
4,663 mm
183.6 in
Height
1,659 mm
65.3 in
Range score
1,103 km
685 mi
933 km
580 mi
CO2 score
178 g/km
172 g/km
Trunk score
605 L
21.4 cu ft
550 L
19.4 cu ft
Power-to-weight score
133 hp/t
99 kW/t
7.5 kg/hp
140 hp/t
104 kW/t
7.1 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 Q8 (4M) 50 TDI V6AUDI Q5 II (FY) 45 TFSI
Consumption6.8 L/100 km34.6 mpg US41.5 mpg UK7.5 L/100 km31.4 mpg US37.7 mpg UK
Cost / 100 km11.90 LC100 km13.13 LC100 km
Cost / 100 mi19.15 LC100 mi21.12 LC100 mi
Annual fuel used1,020 L269 US gal224 UK gal1,125 L297 US gal247 UK gal
Annual fuel cost1,785 LC/year1,969 LC/year

Head-to-head comparisons

AUDI Q8 (4M) 50 TDI V6

  • Has 41 hp more
  • Has 230 Nm more
  • Is 0.1 s quicker from 0-100 km/h
  • Has 8 km/h (5 mph) higher top speed
  • Uses 0.7 L/100 km less fuel
  • Has 170 km (105 mi) more estimated range
  • Has 55 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Lowest combined fuel consumption
  • Best estimated range
  • Largest trunk

Cons

  • Heaviest
  • Highest CO2 emissions

AUDI Q5 II (FY) 45 TFSI

  • Is 395 kg lighter
  • Has 7 hp/t better power-to-weight
  • Emits 6 g/km less CO2

Pros

  • Lightest
  • Best power-to-weight ratio

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Highest combined fuel consumption
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI Q8 (4M) 50 TDI V6
AUDI Q5 II (FY) 45 TFSI
Compare selected cars
2 vehicles selected

Popular comparisons

50 TDI V6
50 TDI V6
VS
AUDIQ8 (4M)50 TDI V6vsAUDIQ8 (4M)Facelift 202350 TDI V6
45 TFSI
45 TFSI
VS
AUDIQ5 II (FY)45 TFSIvsAUDIQ5 II (FY)Facelift 202045 TFSI
50 TDI V6
50 TDI
VS
AUDIQ8 (4M)50 TDI V6vsAUDIQ5 II (FY)50 TDI
45 TFSI
2.0 TFSI
VS
AUDIQ5 II (FY)45 TFSIvsAUDIQ5 I (8R)Facelift 20122.0 TFSI
45 TFSI
2.0 TFSI
VS
AUDIQ5 II (FY)45 TFSIvsAUDIQ5 III (GU)2.0 TFSI
50 TDI V6
2.0 TFSI
VS
AUDIQ8 (4M)50 TDI V6vsAUDISQ22.0 TFSI
45 TFSI
3.0 TDI V6
VS
AUDIQ5 II (FY)45 TFSIvsAUDIQ5 I (8R)3.0 TDI V6
50 TDI V6
2.0 TFSI
VS
AUDIQ8 (4M)50 TDI V6vsAUDISQ2Facelift 20202.0 TFSI
45 TFSI
45 TFSI
VS
AUDIQ5 II (FY)45 TFSIvsAUDIQ3 II (F3)45 TFSI
45 TFSI
45 TDI V6
VS
AUDIQ5 II (FY)45 TFSIvsAUDIQ8 (4M)45 TDI V6
50 TDI V6
50 71 kWh
VS
AUDIQ8 (4M)50 TDI V6vsAUDIe-tron50 71 kWh
45 TFSI
2.0 TFSI
VS
AUDIQ5 II (FY)45 TFSIvsAUDIQ3 I (8U)Facelift 20142.0 TFSI
AUDI Q8 (4M) 50 TDI V6 vs AUDI Q5 II (FY) 45 TFSI - car comparison - FastVsFaster