The 2027 BMW X6 xDrive40i makes 375 horsepower from a 3.0-liter inline-6, the M60i 523 horsepower from a 4.4-liter V-8, and the M Competition 617 horsepower from the same V-8 tuned harder. All three measure 194.8 to 195 inches long, seat five across two rows, and carry 27.4 cubic feet of cargo space behind the second row. Full specs, dimensions and capacities for every trim are below, with the complete 2027 X6 overview and trim comparison linked for buying context.

Key Numbers

• Horsepower: 375 (xDrive40i), 523 (M60i), 617 (M Competition).
• Length: 194.8-195 in. Width without mirrors: 78.9-79.5 in. Height: 66.7-66.9 in.
• Cargo: 27.4 cu ft behind the rear seats, 59.6 cu ft maximum, identical on every trim.
• EPA combined mpg: 23 (xDrive40i), 19 (M60i), 15 (M Competition).
• Basic warranty: 4 years / 50,000 miles on every trim.

Engine Specifications

	xDrive40i	M60i	M Competition
Engine	3.0L TwinPower Turbo inline-6	4.4L M TwinPower Turbo V-8	4.4L M TwinPower Turbo V-8
Horsepower	375 hp	523 hp	617 hp
Torque	398 lb-ft	553 lb-ft	553 lb-ft
Transmission	8-speed Sport Automatic	8-speed M Steptronic Sport w/ Drivelogic	8-speed M Steptronic Sport w/ Drivelogic
0-60 mph	5.2 sec	4.2 sec	3.7 sec
Top speed	130 mph	130 mph	155 mph (177 mph w/ M Driver's Package)
Drivetrain	xDrive AWD	M xDrive w/ Active M Differential	M xDrive w/ Active M Differential

Every 2027 X6 carries a 48-volt mild-hybrid system on top of the gas engine. It never plugs in and carries no electric-only range; BMW does not offer the X6 as a plug-in hybrid or a full electric vehicle. The mild-hybrid hardware works quietly in the background: it smooths out stop-start restarts, fills in torque at low RPM, and recovers a small amount of braking energy, but it never changes how you drive the car day to day.

The three trims really run two different engine architectures. The xDrive40i's inline-6 is the same basic family of engine BMW uses in the 3 Series and X3, tuned here for a heavier, taller body and paired with a more relaxed 8-speed Sport Automatic. The M60i and M Competition share an entirely different 4.4-liter V-8, borrowed from BMW's M lineup and backed by the firmer, quicker-shifting 8-speed M Steptronic Sport with Drivelogic. That means the step from xDrive40i to M60i is not just a power increase; it is a genuinely different engine character, transmission behavior and exhaust note. The step from M60i to M Competition, by contrast, is the SAME engine tuned to a higher state: 94 more horsepower from software, internals and exhaust changes rather than a different power plant.

Exterior Dimensions

	xDrive40i	M60i	M Competition
Length	195 in	195 in	194.8 in
Width (without mirrors)	78.9 in	78.9 in	79.5 in
Width (with mirrors)	87.1 in	87.1 in	87.1 in
Height	66.9 in	66.9 in	66.7 in
Wheelbase	117.1 in	117.1 in	117 in
Curb weight	5,002 lbs	5,300 lbs	5,454 lbs

The M Competition's shorter, wider body reflects its wider staggered wheel and tire package; its 0.2-inch shorter length and 0.6-inch wider stance versus the other two trims come from the same source. Curb weight climbs by trim mainly from the heavier V-8 and the M-specific hardware (larger brakes, Active M Differential, staggered wheels) rather than added luxury content.

All three trims share the same 195-inch-class body length, which puts the X6 solidly in the midsize luxury SUV bracket: longer than a compact crossover like the X3, but noticeably shorter than the three-row X7. Wheelbase stays essentially flat across the lineup (117 to 117.1 inches), which is why interior room and ride comfort track closely between trims even as the exterior styling and curb weight diverge.

Interior Dimensions and Cargo Space

	xDrive40i / M60i / M Competition
Seating	5 across two rows (driver, front passenger, three rear)
Front headroom	39.3 in
Rear headroom	37.5 in
Cargo behind rear seats	27.4 cu ft
Maximum cargo (seats folded)	59.6 cu ft

The X6 is a 2-row coupe-SUV; it does not offer a third row on any trim (that's the X7). Cargo and headroom figures are identical across xDrive40i, M60i and M Competition since all three share the same body shell. 27.4 cubic feet behind the second row is close to a full-size suitcase load plus everyday cargo; 59.6 cubic feet with the seats folded handles larger, flatter loads like furniture or a full grocery run for a family gathering.

That coupe roofline is the X6's whole reason for being, and it does come with one real interior trade-off worth knowing before you buy: a sportier, lower rear glass line than the boxier X5 it shares a platform with. BMW doesn't publish a rear-seat headroom figure separate from front headroom for the X6, so a taller rear passenger who is sensitive to headroom should sit in the second row during a test drive rather than assume the number matches a squared-off SUV. Front headroom, at 39.3 inches, is generous regardless of trim, and shoulder and hip room for the driver and front passenger are unaffected by the roofline at all.

Capacity and Capability

	xDrive40i	M60i	M Competition
Max towing (with available hitch)	7,209 lbs	7,200 lbs	not offered
Fuel tank	21.9 gal	21.9 gal	21.9 gal

The xDrive40i and M60i both offer a factory-installed trailer hitch, rated to tow up to 7,209 pounds (xDrive40i) or 7,200 pounds (M60i) when properly equipped, enough for a boat, small camper or utility trailer, whether the trip starts in Vacaville or Vallejo and heads out on I-80 or Highway 12. The M Competition does not offer a trailer hitch option; it's tuned purely for on-road performance. For an exact loaded-weight figure on a specific configuration, the service team at BMW of Napa Valley can pull it from the vehicle's own build data.

The near-identical towing ratings between xDrive40i and M60i (7,209 vs 7,200 pounds) reflect how close the two trims are in curb weight before you add the M60i's heavier V-8. Once you're shopping for a tow vehicle rather than just a daily driver, the practical decision usually comes down to whether you want the M60i's extra power for pulling a heavier load, or the xDrive40i's better fuel economy for lighter, more occasional towing.

Neither figure requires a special trailering package beyond the factory hitch itself; both trims are rated at their stated maximum with the hitch installed and no other modification. If you're cross-shopping the X6 against BMW's three-row X7 specifically for towing capability, the two models land in a similar range, so towing alone shouldn't be the deciding factor between them. Seating, cargo layout and the coupe-versus-SUV styling are the more meaningful differences, covered in full on the X6 overview.

Wheels, Tires, and Brakes

The xDrive40i rides on available M Dual-Spoke wheels over its standard set. The M60i offers available V-Spoke Bicolor wheels. The M Competition ships standard on staggered M Star-Spoke Bicolor wheels with performance tires front to rear, the widest and stickiest setup in the lineup. All three trims come standard with M Sport-tuned suspension; the M60i adds available Adaptive M Suspension Professional and the M Competition includes it as standard, along with standard Integral Active Steering for tighter low-speed maneuvering and added high-speed stability. Brakes scale with the trim too: the M Competition's standard setup is sized for its extra power and its available M Sport Brakes with red calipers are a visible, functional upgrade over the base system, while the xDrive40i and M60i can each be optioned with their own colored-caliper M Sport Brakes as part of the M Sport Professional Package.

Fuel Economy and Range

	City	Highway	Combined
xDrive40i	21 mpg	26 mpg	23 mpg
M60i	17 mpg	22 mpg	19 mpg
M Competition	13 mpg	18 mpg	15 mpg

Figures are EPA-rated, verified at fueleconomy.gov. Every 2027 X6 trim requires premium gasoline. With a 21.9-gallon tank, the xDrive40i's real-world range runs well over 450 miles combined; the M Competition's thirstier V-8 tune brings that down closer to 300 miles between fill-ups.

That spread, 23 mpg combined on the xDrive40i down to 15 on the M Competition, is one of the clearest, most concrete differences between the three trims, and it is worth running the actual math on before you decide. At a rough 12,000 miles a year, the difference between 23 and 15 mpg combined works out to several hundred gallons of premium fuel annually, a real and recurring cost that a horsepower figure or a 0-60 time doesn't capture. It doesn't mean the M Competition is the wrong choice for a buyer who wants it; it means the fuel-economy column in the table above deserves as much attention as the horsepower column when you're deciding between trims.

Key Features by Trim

Feature	xDrive40i	M60i	M Competition
12.3" Digital Instrument Cluster + 14.9" Central Display	S	S	S
M Leather Steering Wheel	S	S	S
M Sport Professional Package	O	O	not std
Adaptive M Suspension Professional	not std	O	S
Integral Active Steering	not std	O	S
M xDrive with Active M Differential	not std	S	S
Harman Kardon surround sound	O	O	O
Panoramic Sky Lounge LED Roof	O	O	O
Trailer hitch availability	O	O	not offered

Legend: S = standard, O = available, "not std" = not standard equipment on that trim. See the full trim-by-trim breakdown for pricing and packages.

The pattern in that grid tells its own story about how BMW positions the three trims. Technology, the M Leather Steering Wheel, and infotainment hardware are standard everywhere, so nobody buying the entry xDrive40i is missing out on the screens and connectivity that define the modern X6. What actually separates the trims is chassis and drivetrain hardware: Adaptive M Suspension Professional, Integral Active Steering and the full M xDrive system move from optional, to standard-on-M60i, to standard-and-enhanced on the M Competition. That is a deliberate structure, not an accident of the option sheet: BMW wants every X6 buyer to get the same cabin experience, and reserves the driving-dynamics upgrades for the trims built around driving dynamics.

Safety and Compliance

Active Blind Spot Detection, Lane Keeping Assistant, Forward Collision Mitigation and Speed Limit Assistant all ship standard, bundled as BMW's Driving Assistant Package on every 2027 X6 trim. Those four systems alone cover the driver-assistance features most buyers actually rely on day to day, before adding a single option.

The available Driving Assistant Professional Package adds Steering and Lane Keeping Assistant, Lane Change Assistant, Emergency Stop Assistant and Evasion Aid, plus Highway Assistant with Active Lane Change and Distance Control with Steering Assistant, the closest thing to hands-supported freeway driving BMW offers on the X6. An available Parking Assistant Professional package adds a 3D SurroundView camera system, Active Park Distance Control, Automatic Parking Assistant and a Trailer Assistant on the xDrive40i and M60i that steers a trailer into position automatically, a genuinely useful feature for anyone towing regularly around Solano County or Napa Valley.

Warranty Coverage

Coverage	Term
Basic (bumper-to-bumper)	4 years / 50,000 miles
Rust perforation	12 years / unlimited miles
Roadside assistance	4 years / unlimited miles
Included maintenance (BMW Ultimate Care)	3 years / 36,000 miles

Terms apply identically across all three X6 trims. Full service intervals and everything BMW Ultimate Care covers are on the maintenance and service page.

What These 2027 X6 Numbers Mean in Practice

Spec	What it means for you
87.1 in wide with mirrors	Close to a full-size pickup's width; a standard 9-foot garage bay works, but fold the mirrors in tight spaces.
195 in long	Fits a typical 20-foot residential garage or driveway with room to spare.
27.4-59.6 cu ft cargo	Behind-the-seats space covers a normal grocery run or weekend luggage; fold the seats for furniture-sized loads.
7,200-lb towing (xDrive40i / M60i)	Enough for most boats, small campers and utility trailers out of Napa Valley or up toward Lake Berryessa.
15-23 mpg combined range	The trim you pick changes your fuel budget meaningfully: expect real, ongoing cost, not just a sticker number.
117-117.1 in wheelbase	Nearly identical across trims, so ride comfort and interior room stay consistent whichever engine you choose.

Read together, these numbers describe a vehicle sized like a midsize luxury SUV on the outside but shaped for a coupe's road presence: an easy fit in a standard residential garage, a meaningfully sportier roofline than a boxier SUV, and cargo and towing capability that hold up for real errands and light-duty towing rather than just weekend photos.

For North Bay owners, 27.4 cubic feet behind the rear seats means weekend luggage fits without folding anything, and folding them for 59.6 cubic feet handles a bulky hardware-store run in American Canyon.

2027 X6 Specifications FAQs

How much horsepower does the 2027 BMW X6 have?

375 hp on the xDrive40i from its 3.0-liter inline-6, 523 hp on the M60i, and 617 hp on the M Competition, both of the latter from the same 4.4-liter V-8 tuned to two different states.

How wide is a BMW X6 with the mirrors folded in?

78.9 inches on the xDrive40i and M60i, 79.5 inches on the M Competition, measured without mirrors. With mirrors extended, all three measure 87.1 inches, close to a full-size pickup's width, so fold the mirrors in tight garages or narrow lanes.

What is the cargo capacity of the 2027 X6?

27.4 cubic feet behind the rear seats, expanding to 59.6 cubic feet with the second row folded down. That figure is identical across all three trims, since they share the same body shell.

How much can a BMW X6 tow?

7,209 pounds on the xDrive40i and 7,200 on the M60i, each with the factory-installed hitch fitted. Going with the M Competition means giving up towing entirely, a real trade-off for its extra power.

What is the fuel tank size on the 2027 X6?

21.9 gallons on every trim, regardless of which engine is under the hood.

Does the BMW X6 require premium gas?

Yes, all three trims require premium gasoline to run properly and reach their rated horsepower figures.

What is the warranty on a new BMW X6?

4 years or 50,000 miles bumper-to-bumper, plus 12 years/unlimited miles against rust perforation, 4 years/unlimited miles of roadside assistance, and 3 years/36,000 miles of included BMW Ultimate Care maintenance.

What is the seating capacity of the 2027 BMW X6?

Five across two rows on every trim. There is no third-row option on the X6; buyers who need one should look at the three-row X7 instead.

Explore the X6