2019 Acura RDX vs. 2019 BMW X6

Detailed Review, Specifications & Comparison

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Safety

For enhanced safety, the front seat shoulder belts of the Acura RDX are height-adjustable to accommodate a wide variety of driver and passenger heights. A better fit can prevent injuries and the increased comfort also encourages passengers to buckle up. The BMW X6 doesn’t offer height-adjustable seat belts.

To help make backing safer, the RDX’s optional cross-path warning system uses wide-angle radar in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The X6 doesn’t offer a cross-path warning system.

Both the RDX and the X6 have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, front seatbelt pretensioners, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, rearview cameras, available all wheel drive, blind spot warning systems and around view monitors.

For its top level performance in IIHS driver and passenger-side small overlap frontal, moderate overlap frontal, side impact, roof strength and head restraint tests, its standard front crash prevention system, and its headlight’s “Good” rating, the Insurance Institute for Highway Safety grants the RDX its highest rating: “Top Pick Plus” for 2019, a rating granted to only 36 vehicles tested by the IIHS. The X6 has not been tested, yet.

Warranty

Acura’s powertrain warranty covers the RDX 2 years and 20,000 miles longer than BMW covers the X6. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the X6 ends after only 4 years or 50,000 miles.

Fuel Economy and Range

On the EPA test cycle the RDX gets better fuel mileage than the X6:

 

 

 

MPG

RDX

 

FWD

2.0 turbo 4 cyl.

22 city/28 hwy

 

 

A-Spec 2.0 turbo 4 cyl.

22 city/27 hwy

 

AWD

2.0 turbo 4 cyl.

21 city/27 hwy

 

 

A-Spec 2.0 turbo 4 cyl.

21 city/26 hwy

X6

 

RWD

sDrive35i 3.0 turbo 6 cyl.

18 city/24 hwy

 

AWD

xDrive35i 3.0 turbo 6 cyl.

18 city/24 hwy

 

 

xDrive50i 4.4 turbo V8

17 city/22 hwy

To lower fuel costs and make buying fuel easier, the Acura RDX uses regular unleaded gasoline (premium recommended for maximum performance). The X6 requires premium, which can cost 20 to 55 cents more per gallon.

The RDX has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The X6 doesn’t offer a cap-less fueling system.

Environmental Friendliness

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Acura RDX higher (6 out of 10) than the BMW X6 (3). This means the RDX produces up to 23.4 pounds less smog-producing pollutants than the X6 every 15,000 miles.

Transmission

A 10-speed automatic is standard on the Acura RDX, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the X6.

Tires and Wheels

The RDX has a standard easy tire fill system. When inflating the tires, the vehicle’s integrated tire pressure sensors keep track of the pressure as the tires fill and tell the driver when the tires are inflated to the proper pressure. The X6 doesn’t offer vehicle monitored tire inflation.

Suspension and Handling

For better maneuverability, the RDX’s turning circle is 3.1 feet tighter than the X6’s (38.9 feet vs. 42 feet).

Chassis

The Acura RDX may be more efficient, handle and accelerate better because it weighs about 800 to 1000 pounds less than the BMW X6.

The RDX is 7 inches shorter than the X6, making the RDX easier to handle, maneuver and park in tight spaces.

The RDX uses computer-generated active noise cancellation to help remove annoying noise and vibration from the passenger compartment, especially at low frequencies. The X6 doesn’t offer active noise cancellation.

Passenger Space

The RDX has 2.6 cubic feet more passenger volume than the X6 (104 vs. 101.4).

The RDX has 1.3 inches more front legroom, .4 inches more rear headroom and 2.8 inches more rear legroom than the X6.

Cargo Capacity

The RDX has a much larger cargo volume with its rear seat up than the X6 with its rear seat up (31.1 vs. 26.6 cubic feet). The RDX has a much larger cargo volume with its rear seat folded than the X6 with its rear seat folded (79.8 vs. 59.7 cubic feet).

Pressing a switch automatically lowers the RDX’s rear seats, to make changing between passengers and cargo easier. The X6 doesn’t offer automatic folding seats.

Ergonomics

The RDX has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The X6 doesn’t offer a remote starting system.

To improve rear visibility by keeping the rear window clear, the RDX has a standard rear wiper. The X6 doesn’t offer a rear wiper.

Economic Advantages

Insurance will cost less for the RDX owner. The Complete Car Cost Guide estimates that insurance for the RDX will cost $7910 to $9350 less than the X6 over a five-year period.

The RDX will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the RDX will retain 51.89% to 53.05% of its original price after five years, while the X6 only retains 42.56% to 47.6%.

According to The Car Book by Jack Gillis, the RDX is less expensive to operate than the X6 because it costs $198 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost much less on the RDX than the X6, including $743 less for a water pump, $1107 less for a muffler, $105 less for a starter, $178 less for fuel injection, $250 less for a fuel pump, $223 less for front struts, $485 less for a timing belt/chain and $1078 less for a power steering pump.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Acura RDX will be $29607 to $40270 less than for the BMW X6.

Recommendations

The Car Book by Jack Gillis recommends the Acura RDX, based on economy, maintenance, safety and complaint levels.

The Acura RDX outsold the BMW X6 by over 9 to one during 2018.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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