2026–27 BMW X5 vs BMW X6: We Compared the Data
By the CarWhere Vehicle Data Team · Updated November 8, 2026 · how we score
Our pick: the X6 — it leads our weighted scorecard 3–1.5 across 4 categories, winning on better 5-year value retention (44.8% vs 37.2%) and more available power (617 hp vs 570 hp). Choose the X5 if fuel economy comes first (26 mpg vs 23 mpg best EPA combined).
Scorecard: X5 1.5 pts · X6 3 pts across 4 scored categories.
The scorecard
| Category (weight) | 2027 X5 | 2026 X6 | Winner |
|---|---|---|---|
| 5-year value retained (1.5) | 37.2% | 44.8% | X6 |
| Best EPA combined (1.5) | 26 mpg | 23 mpg | X5 |
| Most horsepower available (1) | 570 hp | 617 hp | X6 |
| Standard seats (1) | — | 5 | No data |
| Recalls, 2023–2025 model years (0.5) | 13 | 8 | X6 |
| Weighted points | 1.5 | 3 | X6 |
Which one we'd buy, and for whom
- Commuter. Commuters: the X5 — 26 mpg vs 23 mpg (best EPA combined).
- Resale. Resale-minded buyers: the X6 — 44.8% vs 37.2% (5-year value retained).
Price: sticker and what buyers paid
A current starting MSRP isn't on file for both models.
Reliability: NHTSA complaints and recalls
- X5: a complaint rate per 1,000 sold isn't available yet.
- X6: a complaint rate per 1,000 sold isn't available yet.
- Recall campaigns touching the 2023–2025 model years: X5 13, X6 8.
Complaint rates are owner complaints filed with NHTSA divided by vehicles sold — a federal-data signal, not a survey score.
Specs side by side
| 2027 X5 | 2026 X6 | |
|---|---|---|
| Horsepower | 394–570 hp | 375–617 hp |
| Max torque | 593 lb-ft | 553 lb-ft |
| EPA combined | 26 mpg (hybrid avail.) | 15–23 mpg (hybrid avail.) |
| Seats (standard / max) | — | 5 / 5 |
Automaker-published figures; EPA ratings from fueleconomy.gov. "—" = not published.
Resale: 5-year value retained
A 5-year-old (2021) X5 lists for a median $31,040 — 37.2% of today's median new price of $83,411. A 5-year-old (2021) X6 lists for a median $41,914 — 44.8% of today's median new price of $93,525.
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More on the BMW X5
More on the BMW X6
Related head-to-heads
FAQ
Is the X5 better than the X6?
On our data, no — the X6 comes out ahead. Our pick: the X6 — it leads our weighted scorecard 3–1.5 across 4 categories, winning on better 5-year value retention (44.8% vs 37.2%) and more available power (617 hp vs 570 hp). Choose the X5 if fuel economy comes first (26 mpg vs 23 mpg best EPA combined).
Which is more reliable, the X5 or the X6?
We only rank reliability by NHTSA complaints per 1,000 vehicles sold, and that rate isn't available for both models yet. NHTSA lists 13 recall campaigns touching the 2023–2025 X5 and 8 for the X6.
Which holds its value better, the X5 or the X6?
The X6: a 5-year-old example lists for 44.8% of the new price, versus 37.2% for the X5, based on median used asking prices against today's median new price.
Which is cheaper, the X5 or the X6?
We don't have a current starting MSRP for both models.
Which has better gas mileage, the X5 or the X6?
The X5: up to 26 mpg combined vs 23 mpg for the X6 (best EPA rating across each lineup).
How we score
Each category compares one published number per model and counts only when both models have it. The winner earns the category weight; results inside the tie band earn nothing. Our pick has more weighted points; level points fall back to more category wins, then the reliability winner, then the price winner.
- Starting MSRP: lower wins; tie within 3%.
- NHTSA complaints per 1,000 sold: lower wins; tie within 15%.
- 5-year value retained: higher wins; tie within 2 points.
- Best EPA combined: higher wins; tie within 1 mpg (3 MPGe).
- Most horsepower available: higher wins; tie within 5%.
- Max towing: higher wins; tie within 5%.
- Cargo behind rear seats: higher wins; tie within 5%.
- Standard seats: higher wins; tie same count.
- Median discount verified buyers got: higher wins; tie within 0.5 points.
- Recalls, 2023–2025 model years: lower wins; tie within 1.
Towing weighs 2 for pickups and 1 otherwise; seating is only scored between SUVs and minivans, using standard (never optional) seats. Sources: automaker spec pages and order guides; EPA ratings (fueleconomy.gov); NHTSA owner complaints and recall campaigns against published US sales; median used asking prices across active US dealer listings from licensed vehicle-data providers; verified buyer-submitted deal sheets for discounts.
Cite this page: CarWhere, "2026–27 BMW X5 vs BMW X6: We Compared the Data," carwhere.com/compare-cars/bmw-x5-vs-bmw-x6, updated November 8, 2026.