cs2k
Well-Known Member
- First Name
- Clarence
- Joined
- Apr 20, 2021
- Threads
- 2
- Messages
- 87
- Reaction score
- 196
- Location
- San Diego, CA
- Vehicle(s)
- 2021 JLUR 2.0
- Occupation
- Engineer
- Thread starter
- #1
Note that this thread is not about complaining about MPG or anything like that so please cool it with the "get a prius!" comments.
I'm very curious about how sticker rated MPG numbers for our JLs are calculated, it seems like MPG is only rated by engine & number of doors instead of by trim.
For example, the 3.6 JLU sport and the 3.6 JLU Rubicon has the same MPG rating. The same is true for the 2.0 JLUS and 2.0 JLUR. However based on data on the forums, the Rubicons has much worse real world MPG (roughly about 3-5 mpg worse) than the sport. This is expected since the Rubicons are heavier, have more draggy tires and different axle ratios.
This gap between sticker and real world MPG is exacerbated further when we see the new XR packages, which also *gasp* has the same sticker MPG ratings as the base models despite of its 35 inch tires.
How are they able to generalize the sticker numbers from the base model to the other models when other car manufacturers can't seem to be able to use the same trick? For example, the new ford broncos have separate MPG ratings for the badlands (18/17) vs the base models (20/22). The bigger 35 inch tire Sasquatch package also gets its own MPG ratings (18/18). How is jeep able to pull this off when other manufactures like ford can't?
I'm very curious about how sticker rated MPG numbers for our JLs are calculated, it seems like MPG is only rated by engine & number of doors instead of by trim.
For example, the 3.6 JLU sport and the 3.6 JLU Rubicon has the same MPG rating. The same is true for the 2.0 JLUS and 2.0 JLUR. However based on data on the forums, the Rubicons has much worse real world MPG (roughly about 3-5 mpg worse) than the sport. This is expected since the Rubicons are heavier, have more draggy tires and different axle ratios.
This gap between sticker and real world MPG is exacerbated further when we see the new XR packages, which also *gasp* has the same sticker MPG ratings as the base models despite of its 35 inch tires.
How are they able to generalize the sticker numbers from the base model to the other models when other car manufacturers can't seem to be able to use the same trick? For example, the new ford broncos have separate MPG ratings for the badlands (18/17) vs the base models (20/22). The bigger 35 inch tire Sasquatch package also gets its own MPG ratings (18/18). How is jeep able to pull this off when other manufactures like ford can't?
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