Car comparison

AUDI Q8 (4M) 50 TDI V6vsAlfa Romeo Stelvio (949) 2.0

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

Alfa Romeo Stelvio (949)

2.0

280 hp1995 ccGasolineAWDAutomaticTurbochargedSUV2017-2018

Comparison overview

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

Best choices

AUDI Q8 (4M) 50 TDI V6

  • 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

Alfa Romeo Stelvio (949) 2.0

  • Quickest 0-100 km/h
    5.7 s
  • Lightest
    1,660 kg
    3,660 lb
  • Best power-to-weight
    169 hp/t
    126 kW/t
    5.9 kg/hp
  • Lowest highway consumption
    5.9 L/100 km
    39.9 mpg US
    47.9 mpg UK
  • Lowest CO2 emissions
    161 g/km

Specification comparison

Specification comparison
ModelAUDIQ8 (4M)50 TDI V6Alfa RomeoStelvio (949)2.0
Power
286hp213kW
280hp209kW
Torque
600Nm443lb-ft
400Nm295lb-ft
Curb weight
2,145kg4,729lb
1,660kg3,660lb
Gross weight
2,890kg6,371lb
-
Top speed
245 km/h
152 mph
Unrestricted
240 km/h149 mph
Restricted
230 km/h143 mph
Calculated
To 99% top speed
90.6s99% target: 243 km/h / 151 mph
Calculated
64.9s99% target: 238 km/h / 148 mph
Calculated
0-100 km/h
6.3s
5.7s
0-200 km/h
26.6s
Calculated
22.3s
Calculated
0-60 mph
6.0s
Calculated
5.4s
Calculated
Fuel consumption
6.8L/100 km34.6mpg US41.5mpg UK
7L/100 km33.6mpg US40.4mpg UK
Fuel consumption city
7.3L/100 km32.2mpg US38.7mpg UK
8.9L/100 km26.4mpg US31.7mpg UK
Fuel consumption highway
6.5L/100 km36.2mpg US43.5mpg UK
5.9L/100 km39.9mpg US47.9mpg UK
Quarter mile
14.4s
Calculated
13.9s
Calculated
Power-to-weight
133hp/t99kW/t60hp/1000 lb
Calculated
169hp/t126kW/t77hp/1000 lb
Calculated
Torque-to-weight
280Nm/t187lb-ft/ton
Calculated
241Nm/t161lb-ft/ton
Calculated
Estimated range
1,103km685mi
Calculated
914km568mi
Calculated
Displacement
2,967cc181cu in
1,995cc122cu in
Length
4,986mm196in
4,687mm185in
Width
1,995mm79in
1,903mm75in
Height
1,705mm67in
1,671mm66in
Wheelbase
2,995mm118in
2,818mm111in
Front track
1,679mm66in
1,613mm64in
Rear track
1,691mm67in
1,653mm65in
Ground clearance
254mm10in
200mm8in
Trunk volume
605L
525L
Max trunk volume
1,755L
-
Doors
5
5
Seats
5
5
Fuel tank
75L
64L
CO2 emissions
178g/km
161g/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 V6Alfa Romeo Stelvio (949) 2.0PowerTorque
  • AUDI Q8 (4M) 50 TDI V6: Power / Torque
  • Alfa Romeo Stelvio (949) 2.0: 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
Alfa RomeoStelvio (949)2.05,250 rpm2,250 rpm5,500 rpm

Acceleration curve

Estimated speed over time for selected vehicles.

Acceleration and drag-race table
MetricAUDIQ8 (4M)50 TDI V6Alfa RomeoStelvio (949)2.0
Acceleration checkpoints
0-60 mph
0-97 km/h
6.0 s
5.4 s
0-100 km/h
0-62 mph
6.3 s
5.7 s
0-200 km/h
0-124 mph
26.6 s
22.3 s
Top speed
245 km/h
152 mph
Unrestricted
240 km/h149 mph
Restricted
230 km/h143 mph
Likely limited
Drag race simulation
60 ft
18 m
2.3 s
2.3 s
330 ft
101 m
6.2 s
6.0 s
1/8 mile
201 m
9.4 s
9.1 s
1000 ft
305 m
12.1 s
11.7 s
1/4 mile
402 m
14.4 s
13.9 s
Trap speed
1/4 mile
402 m
158 km/h
98 mph
166 km/h
103 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
Alfa RomeoStelvio (949)2.0
280 hp
209 kW

AUDI Q8 (4M) 50 TDI V6 has 6 hp more than Alfa Romeo Stelvio (949) 2.0.

The biggest power difference is between Alfa Romeo Stelvio (949) 2.0 and AUDI Q8 (4M) 50 TDI V6: 6 hp (4 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
Alfa RomeoStelvio (949)2.0
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)50 TDI V6
2,145 kg
4,729 lb
Alfa RomeoStelvio (949)2.0
1,660 kg
3,660 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
Alfa RomeoStelvio (949)2.0
Unrestricted
240 km/h149 mph
Restricted
230 km/h143 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
Alfa RomeoStelvio (949)2.05.7 s

Although AUDI Q8 (4M) 50 TDI V6 has more power, Alfa Romeo Stelvio (949) 2.0 is quicker from 0-100 km/h.

The biggest 0-100 km/h difference is between Alfa Romeo Stelvio (949) 2.0 and AUDI Q8 (4M) 50 TDI 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
AUDIQ8 (4M)50 TDI V6
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
Alfa RomeoStelvio (949)2.0
7.0 L/100 km
33.6 mpg US
40.4 mpg UK

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
Alfa RomeoStelvio (949)2.0
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
AUDIQ8 (4M)50 TDI V6
1,103 km
685 mi
Alfa RomeoStelvio (949)2.0
914 km
568 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
Alfa RomeoStelvio (949)2.0
280 hp
209 kW
5.7 s
Unrestricted
240 km/h149 mph
Restricted
230 km/h143 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
Alfa RomeoStelvio (949)2.0
Power
280 hp
209 kW
0-100 km/h5.7 s
Top speed
Unrestricted
240 km/h149 mph
Restricted
230 km/h143 mph
Doors/seats
5 doors
5 seats
Trunk
525 L
18.5 cu ft
Length
4,687 mm
184.5 in
Height
1,671 mm
65.8 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
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
Alfa RomeoStelvio (949)2.0
Power
280 hp
209 kW
0-100 km/h5.7 s
Top speed
Unrestricted
240 km/h149 mph
Restricted
230 km/h143 mph
7.0 L/100 km
33.6 mpg US
40.4 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
Alfa RomeoStelvio (949)2.0
7.0 L/100 km
33.6 mpg US
40.4 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
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
Alfa RomeoStelvio (949)2.0
169 hp/t
126 kW/t
5.9 kg/hp
7.0 L/100 km
33.6 mpg US
40.4 mpg UK

Detailed score breakdown

Detailed score breakdown
VehicleAUDIQ8 (4M)50 TDI V6Alfa RomeoStelvio (949)2.0
Power
286 hp
213 kW
280 hp
209 kW
Torque
600 Nm
443 lb-ft
400 Nm
295 lb-ft
Acceleration
6.3 s
5.7 s
Top speed
245 km/h
152 mph
Unrestricted
240 km/h149 mph
Restricted
230 km/h143 mph
Lightness
2,145 kg
4,729 lb
1,660 kg
3,660 lb
Fuel consumption
6.8 L/100 km
34.6 mpg US
41.5 mpg UK
7.0 L/100 km
33.6 mpg US
40.4 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
525 L
18.5 cu ft
Length
4,687 mm
184.5 in
Height
1,671 mm
65.8 in
Range score
1,103 km
685 mi
914 km
568 mi
CO2 score
178 g/km
161 g/km
Trunk score
605 L
21.4 cu ft
525 L
18.5 cu ft
Power-to-weight score
133 hp/t
99 kW/t
7.5 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
VehicleAUDI Q8 (4M) 50 TDI V6Alfa Romeo Stelvio (949) 2.0
Consumption6.8 L/100 km34.6 mpg US41.5 mpg UK7 L/100 km33.6 mpg US40.4 mpg UK
Cost / 100 km11.90 LC100 km12.25 LC100 km
Cost / 100 mi19.15 LC100 mi19.71 LC100 mi
Annual fuel used1,020 L269 US gal224 UK gal1,050 L277 US gal231 UK gal
Annual fuel cost1,785 LC/year1,838 LC/year

Head-to-head comparisons

AUDI Q8 (4M) 50 TDI V6

  • Has 6 hp more
  • Has 200 Nm more
  • Has 5 km/h (3 mph) higher top speed
  • Uses 0.2 L/100 km less fuel
  • Has 189 km (117 mi) more estimated range
  • Has 80 L more trunk volume

Pros

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

Cons

  • Slowest 0-100 km/h
  • Heaviest
  • Highest CO2 emissions

Alfa Romeo Stelvio (949) 2.0

  • Is 485 kg lighter
  • Is 0.6 s quicker from 0-100 km/h
  • Has 35 hp/t better power-to-weight
  • Emits 17 g/km less CO2

Pros

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

Cons

  • 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
Alfa Romeo Stelvio (949) 2.0
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