Compare the2025 Audi A4 AllroadVS 2025 BMW X4

For enhanced safety, the front and rear seat shoulder belts of the Audi A4 Allroad have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The BMW X4 doesn’t offer pretensioners for its rear seat belts.

For enhanced safety, the front seat shoulder belts of the Audi A4 Allroad 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 X4 doesn’t offer height-adjustable seat belts.

Both the A4 Allroad and X4 have child safety locks to prevent children from opening the rear doors. The A4 Allroad has power child safety locks, allowing the driver to activate and deactivate them from the driver's seat and to know when they're engaged. The X4’s child locks have to be individually engaged at each rear door with a manual switch. The driver can’t know the status of the locks without opening the doors and checking them.

Both the A4 Allroad and X4 offer rear cross-traffic warning, but the A4 Allroad with Rear Cross-Traffic Assist also has Automatic Brake Activation (automatically applies the brakes) to better prevent a collision when backing near traffic. The X4’s Cross Traffic Warning doesn’t automatically brake.

Both the A4 Allroad and the X4 have standard driver and passenger frontal airbags, front side-impact airbags, driver and front passenger knee airbags, side-impact head airbags, plastic fuel tanks, four-wheel antilock brakes, all wheel drive, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, post-collision automatic braking systems, daytime running lights, lane departure warning systems, rearview cameras, available blind spot warning systems and around view monitors.

The Audi A4 Allroad’s engine uses a cast iron block for durability, while the X4’s engines use an aluminum block. Aluminum engine blocks are much more prone to warp and crack at high temperatures than cast iron.

The A4 Allroad’s 2.0 turbo 4-cylinder hybrid produces 13 more horsepower (261 vs. 248) and 15 lbs.-ft. more torque (273 vs. 258) than the X4 xDrive30i’s standard 2.0 turbo 4-cylinder.

On the EPA test cycle the A4 Allroad gets better mileage than the X4:

To lower fuel costs and make buying fuel easier, the Audi A4 Allroad uses regular unleaded gasoline (premium recommended for maximum performance). The X4 requires premium, which can cost on average about 84.9 cents more per gallon.

The A4 Allroad offers a standard sequential manual gearbox (SMG). With no clutch pedal to worry about and a fully automatic mode, an SMG is much more efficient than a conventional automatic but just as easy to drive. The X4 doesn’t offer an SMG or a conventional manual transmission.

For better stopping power the A4 Allroad’s standard brake rotors are larger than those on the X4:

The A4 Allroad’s tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the X4’s standard 50 series tires.

For better maneuverability, the A4 Allroad’s turning circle is 1.3 feet tighter than the X4’s (38.4 feet vs. 39.7 feet).

The Audi A4 Allroad may be more efficient, handle and accelerate better because it weighs about 350 to 550 pounds less than the BMW X4.

The A4 Allroad has .6 inches more front legroom, .2 inches more rear headroom and .2 inches more rear legroom than the X4.

The A4 Allroad has a much larger cargo volume with its rear seat up than the X4 with its rear seat up (24.2 vs. 18.5 cubic feet). The A4 Allroad has a much larger cargo volume with its rear seat folded than the X4 with its rear seat folded (58.4 vs. 50.5 cubic feet).

To improve rear visibility by keeping the rear window clear, the A4 Allroad has a standard rear wiper. The X4 doesn’t offer a rear wiper.

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The A4 Allroad Prestige has standard headlight washers to keep headlight output high. The X4 doesn’t offer headlight washers.

Manual rear side window sunshades are available in the A4 Allroad to help block heat and glare for the rear passengers. The X4 doesn’t offer rear side window sunshades.

The A4 Allroad has a standard heated steering wheel to take the chill out of steering on extremely cold winter days before the car heater warms up. A heated steering wheel costs extra on the X4.

Insurance will cost less for the A4 Allroad owner. The Complete Car Cost Guide estimates that insurance for the A4 Allroad will cost $900 to $2070 less than the X4 over a five-year period.

The Audi A4/S4 outsold the BMW X4 by 42% during 2023.