2018 Infiniti Q50
US · Midsize Cars
The 2018 Infiniti Q50 is listed in the US market. Every figure below carries the source it came from, and anything our sources do not publish is left out rather than estimated.
- Engine
- Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI), 3.5L 6-cylinder
- Transmission
- 7-speed automatic
- Drivetrain
- Varies by configuration: RWD, AWD
- Fuel
- Varies by configuration: Gasoline, Hybrid
- Economy
- 22 mpg (10.7 L/100 km) to 29 mpg (8.1 L/100 km) combined
Key Figures
Engine
| Specification | Value | Source |
|---|---|---|
| Engine | Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI), 3.5L 6-cylinder | |
| Displacement | 2.0 L to 3.5 L | |
| Cylinders | 4 to 6 | |
| Aspiration | Turbocharged | |
| Fuel type | Varies by configuration: Gasoline, Hybrid | EPA fueleconomy.gov |
Transmission and drivetrain
| Specification | Value | Source |
|---|---|---|
| Transmission | Automatic | EPA fueleconomy.gov |
| Gears | 7 | |
| Drivetrain | Varies by configuration: RWD, AWD |
Fuel economy and range
| Specification | Value | Source |
|---|---|---|
| Combined | 22 mpg (10.7 L/100 km) to 29 mpg (8.1 L/100 km) | EPA fueleconomy.gov |
| City | 19 mpg (12.4 L/100 km) to 27 mpg (8.7 L/100 km) | |
| Highway | 26 mpg (9.0 L/100 km) to 32 mpg (7.4 L/100 km) |
Our sources do not publish these for this vehicle: Power, Torque, Electric range, Battery capacity. We leave them out instead of estimating.
Trims and configurations
8 configurations listed by our sources. Engines, drivetrains and fuel economy can differ between them.
- 2.0L · RWD · 7-speed automatic
- 3.0L · RWD · 7-speed automatic
- Q50 AWD · 2.0L · AWD · 7-speed automatic
- Q50 AWD · 3.0L · AWD · 7-speed automatic
- Q50 Hybrid · 3.5L · RWD · 7-speed automatic · Hybrid
- Q50 Hybrid AWD · 3.5L · AWD · 7-speed automatic · Hybrid
- Q50 Red Sport · 3.0L · RWD · 7-speed automatic
- Q50 Red Sport AWD · 3.0L · AWD · 7-speed automatic
Recalls
NHTSA lists 3 recall campaigns for this model year. Last checked November 10, 2026.
24V470000: POWER TRAIN:DRIVELINE:DRIVESHAFT
Nissan North America, Inc. (INFINITI) is recalling certain 2011-2013 M56, 2012-2013 M35 Hybrid, 2014-2018 Q50, Q70 Hybrid, 2014-2019 Q70, and 2015-2019 Q70L two-wheel drive vehicles. The driveshaft can fatigue and break.
Remedy: Dealers will replace the driveshaft, free of charge. Owner notification letters were mailed August 13, 2024. Owners may contact INFINITI's customer service at 1-800-662-6200. INFINITI's numbers for this recall are R24A5 and R24A7.
Reported June 21, 2024. View on NHTSA
19V654000: BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Nissan North America, Inc. (Nissan) is recalling certain 2018-2019 Nissan Altima, Armada, Frontier, Kicks, Leaf, Maxima, Murano, NV, NV200, Pathfinder, Rogue, Rogue Sport, Sentra, Titan, Titan Diesel, Versa Note and Versa Sedan vehicles, as well as Infiniti Q50, Q60, QX30 and QX80 vehicles. Additionally included are 2019 Nissan GT-R and Taxi and Infiniti QX50, QX60, Q70, Q70L vehicles. The…
Remedy: Nissan will notify owners in phases, having dealers update the back-up camera settings software, free of charge. The recall began November 11, 2019 and all affected VINs should be activated. Owners may contact Nissan customer service at…
Reported September 12, 2019. View on NHTSA
17V476000: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Nissan North America, Inc. (Nissan) is recalling certain 2016-2018 Infiniti Q50 and 2017 Infiniti Q60 vehicles equipped with a 2.0L engine. Incorrect Fuel Pump Control Module (FPCM) software may allow the fuel level in the main tank to be too low to supply fuel to the engine, causing the engine to stall while driving.
Remedy: Nissan will notify owners, and Infiniti dealers will reprogram the Fuel Pump Control Module (FPCM) with corrected software, free of charge. The recall began August 29, 2017. Owners may contact Infiniti customer service at 1-800-662-6200.
Reported July 27, 2017. View on NHTSA
Data sources
- EPA fueleconomy.gov · retrieved November 5, 2026 · US Government public data
- NHTSA vPIC · retrieved October 12, 2026 · US Government public data
Source checked: November 5, 2026
Data verified: November 5, 2026
Specifications can vary by market, trim, configuration and production date. Confirm with the manufacturer before buying parts or making safety decisions. Report an error.
Related vehicles
- 2017 Infiniti Q50
Varies by configuration: Gasoline, Hybrid
Varies by configuration: 3.0L 6-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI), 3.5L 6-cylinder · Varies by configuration: RWD, AWD
29 mpg (8.1 L/100 km) to 22 mpg (10.7 L/100 km) - 2019 Infiniti Q50
Gasoline
Varies by configuration: 3.0L 6-cylinder turbocharged (SIDI), 2.0L 4-cylinder turbocharged (SIDI) · Varies by configuration: RWD, AWD
25 mpg (9.4 L/100 km) to 22 mpg (10.7 L/100 km)
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Frequently asked questions
What engine does the 2018 Infiniti Q50 have?
Varies by configuration: 2.0L 4-cylinder turbocharged (SIDI), 3.0L 6-cylinder turbocharged (SIDI), 3.5L 6-cylinder. Engines can differ by trim, so check the trim list below.
What is the fuel economy of the 2018 Infiniti Q50?
Combined fuel economy is 22 mpg (10.7 L/100 km) to 29 mpg (8.1 L/100 km), as published by the source shown in the specification table.
Is the 2018 Infiniti Q50 front-wheel, rear-wheel or all-wheel drive?
Drivetrain: Varies by configuration: RWD, AWD.
Are there recalls for the 2018 Infiniti Q50?
NHTSA lists 3 recall campaigns for this model year (last checked November 10, 2026). Details are in the Recalls section.