2026 Jeep Grand Cherokee L Summit vs 2026 Buick Enclave Avenir
4wd vs $2,195 less. That is the real fork. Key numbers: 324 vs 328 hp, 22 vs 22 MPG.
The Grand Cherokee L Summit leads on 4WD. The Enclave Avenir leads on $2,195 less. The spec table compares 6 specifications head to head.
Key Differences at a Glance
What's Actually Different
These two vehicles differ in 6 specifications.
Full Specification Comparison
Specifications and pricing reflect available data as of early 2026 and may not match current manufacturer figures. Always confirm details with an authorized dealer before making a purchase decision.
| Spec | 2026 Jeep Grand Cherokee L Summit | 2026 Buick Enclave Avenir |
|---|---|---|
| Pricing | ||
| MSRP | $62,195 | $60,000 |
| Powertrain | ||
| Engine | 2.0L I4 Turbo | 2.5L I4 Turbo |
| Horsepower | 324 hp | 328 hp |
| Torque | 332 lb-ft | 326 lb-ft |
| Transmission | 8-speed automatic | 8-speed shiftable automatic |
| Drivetrain | 4WD | FWD |
| Fuel Economy | ||
| City MPG | 20 | 20 |
| Highway MPG | 25 | 25 |
| Combined MPG | 22 | 22 |
| Fuel Tank | 23.0 gal | 19.4 gal |
| Annual Fuel Cost (EPA) | No published data | $2,000/yr |
| Dimensions | ||
| Curb Weight | 5,068 lbs | 4,537 lbs |
| Wheelbase | 121.7" | 120.9" |
| Length | 204.9" | 207.6" |
| Width | 77.5" | 79.6" |
| Height | 71.5" | 71.0" |
| Safety | ||
| NHTSA Overall | 5/5 stars | No published data |
| IIHS Award | No published data | TSP+ |
| Warranty | ||
| Bumper-to-Bumper | 3yr/36k | 3yr/36k |
| Powertrain | 5yr/60k | 5yr/60k |
| Corrosion | 5yr/100k | 6yr/100k |
| Roadside Assistance | 5yr/60k | 5yr/60k |
Frequently Asked Questions
What is the price difference between the 2026 Jeep Grand Cherokee L Summit and 2026 Buick Enclave Avenir?
The 2026 Buick Enclave Avenir starts at $60,000, $2,195 less than the 2026 Jeep Grand Cherokee L Summit at $62,195. On a 60-month loan that is roughly $38/month. All prices are MSRP before destination and dealer fees.
Who should choose the 2026 Jeep Grand Cherokee L Summit?
The 2026 Jeep Grand Cherokee L Summit is the stronger pick when you drive in snow, rain, or unpaved roads where 4WD keeps you planted.
Who should choose the 2026 Buick Enclave Avenir?
The 2026 Buick Enclave Avenir is the stronger pick when you want to keep $2,195 in your pocket and the 2026 Buick Enclave Avenir covers your needs.
Which gets better fuel economy, the 2026 Jeep Grand Cherokee L Summit or 2026 Buick Enclave Avenir?
Both achieve 22 combined MPG, so fuel cost is not a factor in this decision.
Which is more powerful, the 2026 Jeep Grand Cherokee L Summit or 2026 Buick Enclave Avenir?
The 2026 Buick Enclave Avenir produces 328 hp, 4 more than the 2026 Jeep Grand Cherokee L Summit at 324 hp. The 2026 Jeep Grand Cherokee L Summit also leads in torque at 332 lb-ft vs 326 lb-ft. The 2026 Jeep Grand Cherokee L Summit runs a 2.0L I4 Turbo; the 2026 Buick Enclave Avenir uses a 2.5L I4 Turbo. Drivetrains differ too: 4WD on the 2026 Jeep Grand Cherokee L Summit, FWD on the 2026 Buick Enclave Avenir.
Is the 2026 Jeep Grand Cherokee L Summit bigger than the 2026 Buick Enclave Avenir?
The 2026 Buick Enclave Avenir is 2.7″ longer at 207.6″ vs 204.9″. The 2026 Jeep Grand Cherokee L Summit has a 0.8″ longer wheelbase, which typically means more rear-seat legroom.
Do the 2026 Jeep Grand Cherokee L Summit and 2026 Buick Enclave Avenir have the same drivetrain?
No. The 2026 Jeep Grand Cherokee L Summit comes with 4WD, while the 2026 Buick Enclave Avenir uses FWD. If you drive in snow, heavy rain, or on unpaved roads, the all-wheel or four-wheel drive option provides better traction. If you mostly drive on dry pavement, the two-wheel drive option saves fuel.
How do the warranties compare?
Both offer similar warranty coverage: 3yr/36k bumper-to-bumper and 5yr/60k powertrain.
Explore more: Jeep trims, Jeep Grand Cherokee L trims, Buick trims, Buick Enclave trims
The Grand Cherokee L–Enclave Decision
Cross-shopping midsize SUVs means weighing interior space, ride quality, and ownership costs. Here is how the Grand Cherokee L and Enclave compare. The $-2,195 gap is about $38/month on a 60-month loan. Noticeable but not dramatic enough to be the deciding factor on its own.
What Powers Each Vehicle
The 2026 Jeep Grand Cherokee L Summit runs a 2.0L I4 Turbo; the 2026 Buick Enclave Avenir uses a 2.5L I4 Turbo. The 4 hp difference (328 vs 324) is marginal in daily driving. The 2026 Jeep Grand Cherokee L Summit comes with 4WD; the 2026 Buick Enclave Avenir uses FWD. If you deal with snow, rain, or gravel roads, that traction advantage matters.
The Ownership Math
Annual fuel costs are nearly identical, so running costs will not separate these two.
Living With the Grand Cherokee L vs the Enclave
The 2026 Jeep Grand Cherokee L Summit weighs 531 lbs more. Heavier vehicles tend to feel more planted at highway speed but use more fuel and are harder to stop quickly.
The Decision
Choose the 2026 Jeep Grand Cherokee L Summit when you drive in snow, rain, or unpaved roads where 4WD keeps you planted. Choose the 2026 Buick Enclave Avenir when you want to keep $2,195 in your pocket and the 2026 Buick Enclave Avenir covers your needs.
Specifications shown combine licensed third-party automotive data with official manufacturer, EPA, and NHTSA source material. Actual pricing, features, and availability may vary by region and dealer. Always confirm details with an authorized dealer before making a purchase decision. TrimAtlas is not affiliated with Jeep or Buick or any dealership.