3 owner reports for this model.
2018 Infiniti Q50 Red Sport, about 76,500 miles. After sitting overnight, shifting from Park to Drive can take a second or two before the vehicle actually engages. Once warm it behaves normally. Woul…
After sitting overnight, shifting from Park to Drive can take a second or two before the vehicle actually engages. Once warm it behaves normally. Would you start with fluid, adaptation data, mounts o…
2018 Infiniti Q50 Red Sport, about 126,500 miles. There is early surface rust on brackets, fasteners and seams underneath, but nothing structural. For a salt-belt car, what treatment slows it down wi…
There is early surface rust on brackets, fasteners and seams underneath, but nothing structural. For a salt-belt car, what treatment slows it down without creating a hard coating that traps moisture?
2018 Infiniti Q50 Red Sport, about 124,500 miles. I am comparing two older enthusiast cars. One has lower mileage but thin records; the other has more miles and years of invoices. If condition is sim…
This started as a small annoyance and I finally decided to track it down. 2018 Infiniti Q50 Red Sport, about 106,000 miles. There is a light buzz from the dash at one narrow RPM range. It disappears…
2018 Infiniti Q50 Red Sport, about 29,500 miles. I started measuring the oil level every few hundred miles and it is definitely falling between changes. There is no obvious puddle and I do not notice…
2018 Infiniti Q50 Red Sport, about 131,000 miles. Ignoring limited-production supercars, which current or recent cars have the ingredients collectors may care about later: drivetrain, design, rarity,…
2018 Infiniti Q50 Red Sport, about 60,000 miles. The online price looks competitive, but I am trying to judge the entire deal rather than the headline number. What should I compare besides mileage, h…
2018 Infiniti Q50 Red Sport, about 140,500 miles. After a hot stop-and-go commute the clutch engagement point felt different, but it returned to normal later.
The car is smooth at the same road speed when I lift off, but under moderate acceleration I can feel a vibration through the floor. What would you inspect first to separate axle/driveline issues from…
2018 Infiniti Q50 Red Sport, about 94,500 miles. I can feel a small click through the seat base in corners. Mounting bolts appear tight and power functions work. How do you isolate rail play versus t…
2018 Infiniti Q50 Red Sport, about 87,500 miles. The reservoir goes from full to low over several weeks. No puddle, oil looks normal, and I cannot find dried coolant around the hoses. Is a pressure t…
2018 Infiniti Q50 Red Sport, about 138,000 miles. There is a rumble-strip-like shudder at steady light throttle in a narrow speed range.
There is one front-end clunk over pothole edges and driveway lips, but larger smooth bumps do not reproduce it. How would you isolate end links, strut mounts, control-arm bushings and ball joints?
2018 Infiniti Q50 Red Sport, about 46,500 miles. The engine shut off at a stop once, restarted right away, and has been normal since. No warning stayed on. What data or checks would you prioritize be…
This started as a small annoyance and I finally decided to track it down. 2018 Infiniti Q50 Red Sport, about 72,000 miles. The light was on for two days and then disappeared before I could schedule s…
2018 Infiniti Q50 Red Sport, about 124,000 miles. Fluid looks clear in the reservoir but has been in the car for several years. Would you change based on time/moisture rather than appearance?
2018 Infiniti Q50 Red Sport, about 35,500 miles. I am considering a square wheel/tire setup so I can rotate tires and simplify track spares. Besides clearance, what handling changes should I expect?…
2018 Infiniti Q50 Red Sport, about 95,000 miles. Twice I have had full lights and accessories but no crank. After waiting a few minutes it starts normally. Battery terminals look clean. What would yo…
