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The Tahoe has a standard “limp home system” to keep drivers from being stranded if most or all of the engine’s coolant is lost. The engine will run on only half of its cylinders at a time, reduce its power and light a warning lamp on the dashboard so the driver can get to a service station for repairs. The Grand Cherokee L doesn’t offer a lost coolant limp home mode, so a coolant leak could strand you or seriously damage the truck’s engine.
To reliably power the ignition and other systems and to recharge the battery, the Tahoe has larger alternators than the Grand Cherokee L:
|
Tahoe |
Grand Cherokee L |
Standard Alternator |
220 amps |
160 amps |
Optional Alternator |
250 amps |
180 amps |
J.D. Power and Associates rated the Tahoe first among large suvs in their 2022 Initial Quality Study. The Grand Cherokee L isn’t in the top three in its category.
J.D. Power and Associates’ 2022 Initial Quality Study of new car owners surveyed provide the statistics that show that Chevrolet vehicles are better in initial quality than Jeep vehicles. J.D. Power ranks Chevrolet third in initial quality, above the industry average. With 52 more problems per 100 vehicles, Jeep is ranked 23rd, below the industry average.
J.D. Power and Associates’ 2022 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Chevrolet vehicles are more reliable than Jeep vehicles. J.D. Power ranks Chevrolet above average in long-term dependability. With 21 more problems per 100 vehicles in the first three years of ownership, Jeep is rated below average.
From surveys of all its subscribers, Consumer Reports’ January 2021 Auto Issue reports that Chevrolet vehicles are more reliable than Jeep vehicles. Consumer Reports ranks Chevrolet 2 places higher in reliability than Jeep.