The Lemon Index2018 GMC Yukon.
The 2018 GMC Yukon is one of the most reliable years by owner complaints: 21 complaints in its first 3 years and a Lemon Index of 26, where 100 is the average car. Owners complain most about suspension, it has 3 recalls, and it gets 17 to 19 mpg combined. The best GMC Yukon year is 2012.
Before you buy. What matters most for this car.
How serious. Out of 72 owner complaints, owners reported:
Every GMC Yukon year. 2018 is highlighted. Lower is better.
What owners complain about most. From owner complaints to the government.
Share of this year's owner complaints filed with NHTSA, not the share of cars that break. One complaint can name more than one area.
When owners reported problems. From owner complaints to the government.
Most owners who filed a complaint with NHTSA had 26K to 62K miles on the car (22 complaints listed the miles). This shows when people who had a problem reported it, not the odds that your car will have it.
Recalls 3
- brakes 2020
The output of the mechanical vacuum pump can decrease over time, decreasing the amount of vacuum/power brake assist.
- brakes 2019
If a wheel-speed sensor fails, while the vehicle is traveling between 41 and 60 mph in four-wheel or automatic mode, the Electronic-Brake Control Module (EBCM) software may activate the driveline-protection system.
- brakes 2019
The amount of vacuum created by the vacuum pump may decrease over time.
Recall repairs are free at any dealer. A recall only matters if it's still open on that exact car, so check its VIN.
Safety
Crash test details
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| GMC Yukon SUV RWD | ★★★★☆ | ★★★★★ | ★★★★★ | ★★★☆☆ |
| GMC Yukon SUV 4WD | ★★★★☆ | ★★★★★ | ★★★★★ | ★★★☆☆ |
| GMC Yukon XL 1500 SUV 4WD | ★★★★☆ | ★★★★☆ | ★★★★★ | ★★★☆☆ |
| GMC Yukon XL 1500 SUV RWD | ★★★★☆ | ★★★★☆ | ★★★★★ | ★★★☆☆ |
Fuel cost and engines
About $3400–4700 a year in fuel (EPA estimate). Engines: 5.3L 8-cyl, 6.2L 8-cyl.
In owners' words
My front end makes noises when I turn wheel or stop.I took it two the carmax service department and they couldn't find anything wrong.but it's still making the noise
2018 GMC Yukon owner · NHTSA complaint 11244690
More owner reports
Rear shock is leaking and ride is rough (bottoming out) can't find new shocks.
NHTSA complaint 11412855
My vehicle has just over 55,000 miles on it and the right front shock is leaking. Not very many miles to be in need of a new shock on the most expensive suspension system GM makes.
NHTSA complaint 11405815
Quick answers
Is the 2018 GMC Yukon reliable?
Yes, it is one of the most reliable by government complaints. It drew 3.8× fewer complaints than average filed with NHTSA in its first 3 years, per car sold (Lemon Index 26; 100 is average, lower is better). The best GMC Yukon year by this measure is 2012.
What are the most common 2018 GMC Yukon problems?
In owner complaints to the government, the parts named most are suspension (29%), steering (14%) and brakes (14%). That is the share of complaints, not the share of cars that break.
How many recalls does the 2018 GMC Yukon have?
3 safety recalls (latest: brakes). Recall repairs are free at any dealer; check a specific car's VIN at nhtsa.gov/recalls.
What gas mileage does the 2018 GMC Yukon get?
17 to 19 mpg combined, depending on the engine (EPA estimate).
Is the 2018 GMC Yukon safe?
NHTSA gave it 4 out of 5 stars overall in its best tested version. Ratings differ by body style, and the full table is on the advanced page.
At what mileage do 2018 GMC Yukon problems start?
Half of the owners who gave a mileage reported the problem between 26,800 and 62,500 miles. The middle report was at 44,800 miles, from 22 complaints.
Does the 2018 GMC Yukon have transmission problems?
Transmission and drivetrain issues aren't among its top 5 complaint areas.
How much does the 2018 GMC Yukon cost in fuel a year?
About $3400 to $4700 a year, by the EPA's current estimate.
What engines does the 2018 GMC Yukon have?
5.3L 8-cyl, 6.2L 8-cyl.
What GMC Yukon year is better than the 2018?
By owner complaints per car sold, the best recent years are 2012, 2020 and 2019.
Lemon Index = safety complaints filed with the U.S. government (NHTSA) in a car's first 3 years, per car sold, against the average car of the same model year. 100 is average; lower is better. A complaint is an owner's report, not a confirmed defect. How it works