Car comparison

AUDI Q8 (4M) 45 TDI V6vsAUDI Q5 II (FY) 40 TDI

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

New comparison

AUDI Q8 (4M)

45 TDI V6

231 hp2967 ccDieselAWDAutomaticTurbochargedSUV2019-2020
VS

AUDI Q5 II (FY)

40 TDI

190 hp1968 ccDieselAWDManualTurbochargedSUV2019-2020

Comparison overview

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

Best choices

AUDI Q8 (4M) 45 TDI V6

  • Quickest 0-100 km/h
    7.1 s
  • Fastest top speed
    233 km/h
    145 mph
  • Most powerful
    231 hp
    172 kW
  • Highest torque
    500 Nm
    369 lb-ft
  • Largest trunk
    605 L
  • Best overall score
    65/100
  • Best performance score
    54/100
  • Best practicality score
    89/100

AUDI Q5 II (FY) 40 TDI

  • Lightest
    1,745 kg
    3,847 lb
  • Best power-to-weight
    109 hp/t
    81 kW/t
    9.2 kg/hp
  • Lowest combined fuel consumption
    5.8 L/100 km
    40.6 mpg US
    48.7 mpg UK
  • Lowest city consumption
    6.7 L/100 km
    35.1 mpg US
    42.2 mpg UK
  • Lowest highway consumption
    5.3 L/100 km
    44.4 mpg US
    53.3 mpg UK
  • Lowest CO2 emissions
    153 g/km
  • Best estimated range
    1,121 km
    696 mi
  • Best economy score
    91/100

Specification comparison

Specification comparison
ModelAUDIQ8 (4M)45 TDI V6AUDIQ5 II (FY)40 TDI
Power
231hp172kW
190hp142kW
Torque
500Nm369lb-ft
400Nm295lb-ft
Curb weight
2,145kg4,729lb
1,745kg3,847lb
Gross weight
2,890kg6,371lb
2,430kg5,357lb
Top speed
233 km/h
145 mph
223 km/h
139 mph
To 99% top speed
100.0s99% target: 231 km/h / 143 mph
Calculated
85.1s99% target: 221 km/h / 137 mph
Calculated
0-100 km/h
7.1s
7.6s
0-200 km/h
34.1s
Calculated
37.0s
Calculated
0-60 mph
6.7s
Calculated
7.2s
Calculated
Fuel consumption
6.7L/100 km35.1mpg US42.2mpg UK
5.8L/100 km40.6mpg US48.7mpg UK
Fuel consumption city
7.2L/100 km32.7mpg US39.2mpg UK
6.7L/100 km35.1mpg US42.2mpg UK
Fuel consumption highway
6.4L/100 km36.8mpg US44.1mpg UK
5.3L/100 km44.4mpg US53.3mpg UK
Quarter mile
15.1s
Calculated
15.5s
Calculated
Power-to-weight
108hp/t80kW/t49hp/1000 lb
Calculated
109hp/t81kW/t49hp/1000 lb
Calculated
Torque-to-weight
233Nm/t156lb-ft/ton
Calculated
229Nm/t153lb-ft/ton
Calculated
Estimated range
1,119km696mi
Calculated
1,121km696mi
Calculated
Displacement
2,967cc181cu in
1,968cc120cu 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
Trunk volume
605L
550L
Max trunk volume
1,755L
-
Doors
5
5
Seats
5
5
Fuel tank
75L
65L
CO2 emissions
176g/km
153g/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) 45 TDI V6AUDI Q5 II (FY) 40 TDIPowerTorque
  • AUDI Q8 (4M) 45 TDI V6: Power / Torque
  • AUDI Q5 II (FY) 40 TDI: Power / Torque
Dyno simulation data table
VehiclePeak power RPMPeak torque RPMMax engine speed
AUDIQ8 (4M)45 TDI V63,250-4,750 rpm1,750-3,250 rpm5,000 rpm
AUDIQ5 II (FY)40 TDI3,250-4,200 rpm1,500-3,250 rpm4,450 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIQ8 (4M)45 TDI V6AUDIQ5 II (FY)40 TDI
Acceleration checkpoints
0-60 mph
0-97 km/h
6.7 s
7.2 s
0-100 km/h
0-62 mph
7.1 s
7.6 s
0-200 km/h
0-124 mph
34.1 s
37.0 s
Top speed
233 km/h
145 mph
223 km/h
139 mph
Drag race simulation
60 ft
18 m
2.4 s
2.5 s
330 ft
101 m
6.4 s
6.7 s
1/8 mile
201 m
9.8 s
10.1 s
1000 ft
305 m
12.7 s
13.0 s
1/4 mile
402 m
15.1 s
15.5 s
Trap speed
1/4 mile
402 m
149 km/h
93 mph
148 km/h
92 mph

Power comparison

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

Chart data table
VehicleValue
AUDIQ8 (4M)45 TDI V6
231 hp
172 kW
AUDIQ5 II (FY)40 TDI
190 hp
142 kW

AUDI Q8 (4M) 45 TDI V6 has 41 hp more than AUDI Q5 II (FY) 40 TDI.

The biggest power difference is between AUDI Q5 II (FY) 40 TDI and AUDI Q8 (4M) 45 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)45 TDI V6
500 Nm
369 lb-ft
AUDIQ5 II (FY)40 TDI
400 Nm
295 lb-ft

Curb weight comparison

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

Chart data table
VehicleValue
AUDIQ8 (4M)45 TDI V6
2,145 kg
4,729 lb
AUDIQ5 II (FY)40 TDI
1,745 kg
3,847 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)45 TDI V6
233 km/h
145 mph
AUDIQ5 II (FY)40 TDI
223 km/h
139 mph

0-100 km/h comparison

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

Chart data table
VehicleValue
AUDIQ8 (4M)45 TDI V67.1 s
AUDIQ5 II (FY)40 TDI7.6 s

The biggest 0-100 km/h difference is between AUDI Q8 (4M) 45 TDI V6 and AUDI Q5 II (FY) 40 TDI: 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
AUDIQ8 (4M)45 TDI V6
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
AUDIQ5 II (FY)40 TDI
5.8 L/100 km
40.6 mpg US
48.7 mpg UK

The biggest fuel consumption difference is between AUDI Q5 II (FY) 40 TDI and AUDI Q8 (4M) 45 TDI V6: 0.9 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)45 TDI V6
108 hp/t
80 kW/t
9.3 kg/hp
AUDIQ5 II (FY)40 TDI
109 hp/t
81 kW/t
9.2 kg/hp

Estimated range comparison

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

Chart data table
VehicleValue
AUDIQ8 (4M)45 TDI V6
1,119 km
696 mi
AUDIQ5 II (FY)40 TDI
1,121 km
696 mi

Performance spider chart

Radar chart comparing normalized performance and fuel-consumption scores.

Chart data table
VehiclePowerAccelerationTop speed
AUDIQ8 (4M)45 TDI V6
231 hp
172 kW
7.1 s
233 km/h
145 mph
AUDIQ5 II (FY)40 TDI
190 hp
142 kW
7.6 s
223 km/h
139 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)45 TDI V6
Power
231 hp
172 kW
0-100 km/h7.1 s
Top speed
233 km/h
145 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)40 TDI
Power
190 hp
142 kW
0-100 km/h7.6 s
Top speed
223 km/h
139 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)45 TDI V6
Power
231 hp
172 kW
0-100 km/h7.1 s
Top speed
233 km/h
145 mph
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
AUDIQ5 II (FY)40 TDI
Power
190 hp
142 kW
0-100 km/h7.6 s
Top speed
223 km/h
139 mph
5.8 L/100 km
40.6 mpg US
48.7 mpg UK

AUDI Q8 (4M) 45 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)45 TDI V6
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
7.1 s
AUDIQ5 II (FY)40 TDI
5.8 L/100 km
40.6 mpg US
48.7 mpg UK
7.6 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)45 TDI V6
108 hp/t
80 kW/t
9.3 kg/hp
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
AUDIQ5 II (FY)40 TDI
109 hp/t
81 kW/t
9.2 kg/hp
5.8 L/100 km
40.6 mpg US
48.7 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIQ8 (4M)45 TDI V6AUDIQ5 II (FY)40 TDI
Power
231 hp
172 kW
190 hp
142 kW
Torque
500 Nm
369 lb-ft
400 Nm
295 lb-ft
Acceleration
7.1 s
7.6 s
Top speed
233 km/h
145 mph
223 km/h
139 mph
Lightness
2,145 kg
4,729 lb
1,745 kg
3,847 lb
Fuel consumption
6.7 L/100 km
35.1 mpg US
42.2 mpg UK
5.8 L/100 km
40.6 mpg US
48.7 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
1,119 km
696 mi
1,121 km
696 mi
CO2 score
176 g/km
153 g/km
Trunk score
605 L
21.4 cu ft
550 L
19.4 cu ft
Power-to-weight score
108 hp/t
80 kW/t
9.3 kg/hp
109 hp/t
81 kW/t
9.2 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
VehicleAUDI Q8 (4M) 45 TDI V6AUDI Q5 II (FY) 40 TDI
Consumption6.7 L/100 km35.1 mpg US42.2 mpg UK5.8 L/100 km40.6 mpg US48.7 mpg UK
Cost / 100 km11.73 LC100 km10.15 LC100 km
Cost / 100 mi18.87 LC100 mi16.33 LC100 mi
Annual fuel used1,005 L265 US gal221 UK gal870 L230 US gal191 UK gal
Annual fuel cost1,759 LC/year1,523 LC/year

Head-to-head comparisons

AUDI Q8 (4M) 45 TDI V6

  • Has 41 hp more
  • Has 100 Nm more
  • Is 0.5 s quicker from 0-100 km/h
  • Has 10 km/h (6 mph) higher top speed
  • Has 55 L more trunk volume

Pros

  • Quickest 0-100 km/h in this comparison
  • Highest top speed
  • Most powerful
  • Highest torque
  • Largest trunk

Cons

  • Highest combined fuel consumption
  • Heaviest
  • Highest CO2 emissions

AUDI Q5 II (FY) 40 TDI

  • Is 400 kg lighter
  • Uses 0.9 L/100 km less fuel
  • Has 1 hp/t better power-to-weight
  • Has 1 km (1 mi) more estimated range
  • Emits 23 g/km less CO2

Pros

  • Lightest
  • Lowest combined fuel consumption
  • Best power-to-weight ratio
  • Best estimated range

Cons

  • Slowest 0-100 km/h
  • Lowest power
  • Lowest top speed
  • Smallest trunk

Choose cars to compare

Brand
Model
Generation
Engine or modification
AUDI Q8 (4M) 45 TDI V6
AUDI Q5 II (FY) 40 TDI
Compare selected cars
2 vehicles selected

Popular comparisons

45 TDI V6
45 TDI V6
VS
AUDIQ8 (4M)45 TDI V6vsAUDIQ8 (4M)Facelift 202345 TDI V6
40 TDI
40 TDI
VS
AUDIQ5 II (FY)40 TDIvsAUDIQ5 II (FY)Facelift 202040 TDI
45 TDI V6
45 TDI
VS
AUDIQ8 (4M)45 TDI V6vsAUDIQ5 II (FY)45 TDI
40 TDI
2.0 TDI
VS
AUDIQ5 II (FY)40 TDIvsAUDIQ5 III (GU)2.0 TDI
45 TDI V6
45 TFSI
VS
AUDIQ8 (4M)45 TDI V6vsAUDIQ3 II (F3)45 TFSI
40 TDI
2.0 TDI clean diesel
VS
AUDIQ5 II (FY)40 TDIvsAUDIQ5 I (8R)Facelift 20122.0 TDI clean diesel
45 TDI V6
40 TFSI
VS
AUDIQ8 (4M)45 TDI V6vsAUDIQ640 TFSI
40 TDI
2.0 TFSI
VS
AUDIQ5 II (FY)40 TDIvsAUDIQ5 I (8R)2.0 TFSI
45 TDI V6
40 TFSI
VS
AUDIQ8 (4M)45 TDI V6vsAUDIQ240 TFSI
40 TDI
40 TFSI
VS
AUDIQ5 II (FY)40 TDIvsAUDIQ2Facelift 202040 TFSI
45 TDI V6
2.0 TFSI
VS
AUDIQ8 (4M)45 TDI V6vsAUDIQ3 I (8U)Facelift 20142.0 TFSI
40 TDI
35 TFSI
VS
AUDIQ5 II (FY)40 TDIvsAUDIQ2L35 TFSI
AUDI Q8 (4M) 45 TDI V6 vs AUDI Q5 II (FY) 40 TDI - car comparison - FastVsFaster