The Comparative Analysis :
Infiniti QX50 3.7 AWD Automatic (13 - 16) vs. Alfa Romeo Stelvio Quadrifoglio Q4 AT8 (17 - 18)
€ 48,800
€ 89,000
€ 48,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 89,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Infiniti QX50 3.7 is considerably smaller in every dimension. It's 2.6 inches shorter, 6.1 inches narrower and 4.5 inches lower than the Alfa Romeo Stelvio Quadrifoglio.
Infiniti QX50 3.7
Alfa Romeo Stelvio Quadrifoglio
62
70.9
78.7
66.5
77
85.2
70.9 in
Width
77 in
78.7 in
Width Incl. Mirrors
85.2 in
62 in
Height
66.5 in
110.2
182.5
110.9
185.1
182.5 in
Length
185.1 in
110.2 in
Wheelbase
110.9 in
Vehicle Weight
Infiniti QX50 3.7
Alfa Romeo Stelvio Quadrifoglio
4136 lb
Curb Weight
4200 lb
5181 lb
Gross Vehicle
Weight
Weight
5071 lb
Weight Difference:
64 lb
1.52 %
General
Infiniti QX50 3.7
Alfa Romeo Stelvio Quadrifoglio
J50
Generation
Typ 949
Sport Utility Vehicle
Car Body Style
Sport Utility Vehicle
Mid-Grade Unleaded
Fuel Type
Mid-Grade Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)
7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Infiniti QX50 3.7
Alfa Romeo Stelvio Quadrifoglio
V6 gasoline engine (naturally aspirated engine)
Engine Type
V6 gasoline engine with two turbochargers (biturbo)
Engine Code
670050436
4
Valves
4
6
Cylinders
6
3.7 L / 181 cu in
Displacement
2.9 L / 142 cu in
316 hp
at 7000 rpm
Power
503 hp
at 6500 rpm
Infiniti QX50 3.7
316 hp
503 hp
Alfa Romeo Stelvio Quadrifoglio
266 lb‑ft
at 5200 rpm
Max. Torque
443 lb‑ft
at 2500 rpm
Infiniti QX50 3.7
266 lb‑ft
443 lb‑ft
Alfa Romeo Stelvio Quadrifoglio
Performance
Infiniti QX50 3.7
Alfa Romeo Stelvio Quadrifoglio
149 mph
Maximum Speed
176 mph
6.4 sec
Acceleration 0 to 62 mph
3.8 sec
62 mph
62
mph
mph
292 ft
0.000 sec
Infiniti QX50 3.7
62 mph
62
mph
mph
174 ft
0.000 sec
Alfa Romeo Stelvio Quadrifoglio
▶ REPLAY
13.09 lb/hp
Weight-to-Power Ratio
8.35 lb/hp
Infiniti QX50 3.7
13.09 lb/hp
8.35 lb/hp
Alfa Romeo Stelvio Quadrifoglio
Fuel Economy / Emissions
Infiniti QX50 3.7
Alfa Romeo Stelvio Quadrifoglio
Fuel Economy
21 mpg
combined
26 mpg
Infiniti QX50 3.7
21 mpg
26 mpg
Alfa Romeo Stelvio Quadrifoglio
15 mpg
city
20 mpg
27 mpg
highway
No data
21.1 gal
Fuel Tank Capacity
16.9 gal
440 mi
Range
442 mi
Infiniti QX50 3.7
440 mi
442 mi
Alfa Romeo Stelvio Quadrifoglio
Environmental Impact
214 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
170.4 kWh
Infiniti QX50 3.7
214 kWh
170.4 kWh
Alfa Romeo Stelvio Quadrifoglio
Euro 5
Emission Standard
Euro 6b (NEFZ)
426 g/mi (NEFZ)
CO2 Emissions
338 g/mi (NEFZ)
Practical Convenience
Infiniti QX50 3.7
Alfa Romeo Stelvio Quadrifoglio
5
Doors
5
5
No. of Seats
5
1045 lb
Maximum Payload
871 lb
9.6 cu ft
Trunk Volume
14.9 cu ft
33.3 cu ft
Cargo Volume (Seats Down)
No data
