DecodedCars2018 Infiniti QX30
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2018 models.
- Class
- Compact Cars
- Body styles
- AWD 4dr SUV, FWD 4dr SUV
- Engines
- 2.0L 4-cyl turbo
- Drivetrain
- Rear-Wheel Drive, All-Wheel Drive
- Fuel
- Premium Gasoline
- MPG (best)
- 27 combined · 24 city / 33 hwy
- Length
- 174.4 in
- Curb weight
- 3,287–3,417 lb
- NHTSA rating
- Not rated
- Recalls
- 3 campaigns
Pros & cons
What's good
- AWD / 4WD available
Watch out for
- Premium fuel requiredEvery gasoline version is rated for premium, which raises running costs.
Calculated from EPA, NHTSA and vPIC data against 16 similar 2018 models — not a review. How we calculate this →
Overview
The 2018 Infiniti QX30 is a compact car offered with a 2.0L 4-cyl turbo engine and rear-wheel drive and all-wheel drive.
It measures about 174 inches long and 72 inches wide on a 106-inch wheelbase, with a curb weight of roughly 3,417 lb (AWD 4dr SUV).
EPA rates its most efficient version at 27 MPG combined (24 city / 33 highway), 0% better than the 2018 compact car average of 27 MPG, for an estimated $3,050 a year in fuel.
NHTSA has not published a 5-Star overall rating for this model year.
It has 3 recall campaigns on file and owners have filed 25 complaints with NHTSA since 2015, most often about the electrical system.
What changed for 2018
No changes to engines, powertrains, drivetrains, size, EPA ratings or NHTSA crash rating compared with the 2017 QX30 — a carry-over year in the data.
Compared with 2017; trim, feature and price changes aren't covered. See the 2017 QX30 →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| AWD 4dr SUV | 174.4 in | 71.7 in | 60.6 in | 105.9 in | 60.2 / 61 in | 3,417 lb | 60/40 |
| FWD 4dr SUV | 174.4 in | 71.7 in | 60.6 in | 105.9 in | 60.2 / 61 in | 3,287 lb | 62/38 |
Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.
Will it fit your garage? Check with your measurements →Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| QX30 | 2.0L 4-cyl turbo | Automatic (AM7) | Rear-Wheel Drive | 24 / 33 / 27 | 0% | $3,050 | 324 |
| QX30 AWD | 2.0L 4-cyl turbo | Automatic (AM7) | All-Wheel Drive | 21 / 30 / 25 | -7% | $3,300 | 362 |
EPA estimates; "vs. class" is combined MPG against the 2018 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2018 Infiniti QX30.
Similar 2018 compact cars
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2018 Infiniti QX30 (this car) | 27 MPG | Not rated | 3 |
| 2018 BMW 3 Series | 36 MPG | ★★★★★ | 0 |
| 2018 Lexus IS | 26 MPG | Not rated | 1 |
| 2018 Audi A3 | 36 MPG | ★★★★★ | 7 |
| 2018 Audi A5 | 27 MPG | Not rated | 6 |
| 2018 Volvo S60 | 29 MPG | ★★★★★ | 1 |
| 2018 BMW X1 | 26 MPG | Not rated | 4 |
Recalls (3)
Back Over Prevention › Sensing System › Camera · Sep 12, 2019
NHTSA campaign 19V654000 · 1,228,830 vehicles
- Problem
- 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 back-up camera and display settings can be adjusted such that the rear view image is no longer visible and the system will retain that setting the next time the vehicle is placed in reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
- Risk
- The lack of an image in the back-up camera display increases the risk of a crash.
- Fix
- 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 1-800-867-7669 or INFINITI customer service at 1-800-662-6200.
Seat Belts › Front › Anchorage · May 30, 2018
NHTSA campaign 18V355000 · 6 vehicles
- Problem
- Nissan North America, Inc. (Nissan) is recalling certain 2018 Infiniti QX30 vehicles. The bolt securing the right-hand side lower seat belt anchorage may have been incorrectly installed during production. This can result in the lower seat belt anchorage detaching in a crash. As such, these vehicles fail to comply with certain requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 210, "Seat Belt Assembly Anchorages", number 209, "Seat Belt Assemblies, and number 208, "Occupant Crash Protection."
- Risk
- If the lower seat belt anchorage detaches in a crash, it can increase the risk of injury.
- Fix
- Nissan will notify owners, and dealers will weld in a new retaining plate and secure the seat belt anchorage with a new anchor bolt, free of charge. All vehicles were repaired July 17, 2018. Owners may contact Infiniti customer service at 1-800-662-6200.
Air Bags › Frontal · Nov 1, 2017
NHTSA campaign 17V691000 · 17,507 vehicles
- Problem
- Nissan North America, Inc. (Nissan) is recalling 2017-2018 Infiniti QX30 vehicles. The driver's air bag may unexpectedly deploy due to insufficient grounding of the steering components if an electrostatic discharge occurs and the air bag clockspring is broken.
- Risk
- If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.
- Fix
- Nissan will notify owners, and dealers will add sufficient grounding to the steering components, free of charge. The recall began March 26, 2018. Owners may contact Infiniti customer service at 1-800-622-6200, option 7.
Not every 2018 Infiniti QX30 is affected — only a VIN check confirms your car.
Owner-reported problems
Unverified owner reports; best-sellers collect more.
Used 2018 Infiniti QX30 buyer's checklist
- Run the VIN at nhtsa.gov/recalls. 3 recalls this year — ask for proof of repairs.
- Electrical System — 9 owner reports. Test every window, lock, light, screen and USB port; check the battery age.
- Steering — 5 owner reports. Turn lock-to-lock while parked and on the road; listen for noises and feel for heavy or loose steering.
- Air Bags — 5 owner reports. Confirm the airbag warning light turns off after start-up and any airbag recall was completed.
- Mileage to watch. Owners typically reported problems around 45,000 miles; ask what was repaired near that point.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2018 Infiniti QX30. Not a substitute for a professional inspection.
Other QX30 years
Compare all years →Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Infiniti. How we calculate this →