Compare the2026 BMW 4 Series Gran CoupeVS 2025 Volvo S90

The BMW 4 Series Gran Coupe has standard driver and front passenger side knee airbags mounted low on the dashboard. These airbags help prevent the driver and front passenger from sliding under their seatbelts or the main frontal airbags; this keeps them better positioned during a collision for maximum protection. Knee airbags also help keep the legs from striking the dashboard, preventing knee and leg injuries in the case of a serious frontal collision. The S90 doesn’t offer a front passenger side knee airbag.

Both the 4 Series Gran Coupe and the S90 have standard driver and passenger frontal airbags, front side-impact airbags, driver 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, post-collision automatic braking systems, daytime running lights, lane departure warning systems, blind spot warning systems, rearview cameras, rear cross-path warning, driver alert monitors, available all wheel drive and around view monitors.

BMW pays for scheduled maintenance on the 4 Series Gran Coupe for 1 year and 16000 miles longer than Volvo pays for maintenance for the S90 (3/36,000 vs. 2/20,000).

There are over 24 percent more BMW dealers than there are Volvo dealers, which makes it easier should you ever need service under the 4 Series Gran Coupe’s warranty.

A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the 4 Series Gran Coupe’s reliability 23 points higher than the S90.

J.D. Power and Associates’ 2025 Initial Quality Study of new car owners surveyed provide the statistics that show that BMW vehicles are better in initial quality than Volvo vehicles. With 62 fewer problems per 100 vehicles, JD Power ranks BMW higher than Volvo.

J.D. Power and Associates’ 2025 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that BMW vehicles are more reliable than Volvo vehicles. J.D. Power ranks BMW above average in long-term dependability. With 13 more problems per 100 vehicles in the first three years of ownership, Volvo is rated below average.

From surveys of all its subscribers, Consumer Reports’ March 2025 Auto Issue reports that BMW vehicles are more reliable than Volvo vehicles. Consumer Reports ranks BMW 7 places higher in reliability than Volvo.

The M440i Coupe’s standard 3.0 turbo 6-cylinder hybrid produces 91 more horsepower (386 vs. 295) and 88 lbs.-ft. more torque (398 vs. 310) than the S90 B6’s standard 2.0 turbo/supercharged 4-cylinder hybrid.

On the EPA test cycle the 4 Series Gran Coupe gets better mileage than the S90 running its gasoline engine:

Both the 4 Series Gran Coupe and the S90 have a standard automatic start/stop engine feature to stop unnecessary fuel waste and pollution at stoplights and heavy traffic. All 4 Series Gran Coupes have a standard disable switch for the system, so a driver can keep the engine from shutting off when the vehicle stops temporarily. The S90 T8 doesn’t offer a way to disable start/stop.

To lower fuel costs and make buying fuel easier, the BMW 4 Series Gran Coupe uses regular unleaded gasoline (premium recommended for maximum performance). The S90 requires premium, which can cost on average about 84.9 cents more per gallon.

The 4 Series Gran Coupe’s launch control uses engine electronics to hold engine RPM’s precisely in order to provide the most stable and rapid acceleration possible, using all of the available traction. The S90 doesn’t offer launch control.

For better stopping power the M440i Gran Coupe xDrive’s brake rotors are larger than those on the S90:

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires available on the 4 Series Gran Coupe can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The S90 doesn’t offer run-flat tires.

The front and rear suspension of the 4 Series Gran Coupe uses coil springs for better ride, handling and control than the S90, which uses transverse leafs springs in the rear. Coil springs compress more progressively and offer more suspension travel for a smoother ride with less bottoming out.

The BMW 4 Series Gran Coupe may be more efficient, handle and accelerate better because it weighs about 350 to 400 pounds less than the Volvo S90.

The 4 Series Gran Coupe is 11.6 inches shorter than the S90, making the 4 Series Gran Coupe easier to handle, maneuver and park in tight spaces.

The 4 Series Gran Coupe has .8 inches more front headroom, 1.5 inches more front hip room and 2 inches more rear hip room than the S90.

The 4 Series Gran Coupe’s standard rear seats fold to accommodate long and bulky cargo. The S90 Luxury Package doesn’t offer folding rear seats.

The engine in the 4 Series Gran Coupe is mounted longitudinally (North-South), instead of sideways, as in the S90. This makes it easier to service and maintain, because the accessory belts are in front.

A Condition-Based Service Display is standard on the 4 Series Gran Coupe to save the owner time and money by calculating maintenance intervals for oil changes, spark plug replacement, brake fluid replacement, and vehicle inspections, based on actual driving conditions. This takes the guesswork out of keeping your vehicle in top condition and helps it last longer. Volvo doesn’t offer a maintenance reminder on the S90.

The 4 Series Gran Coupe’s optional Parking Assistant Plus can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. The S90 doesn’t offer an automated parking system.

The BMW 4 Series comes in coupe, convertible and four door hatchback bodystyles; the Volvo S90 isn’t available as a coupe or convertible.

The 4 Series Gran Coupe is available in both rear-wheel drive and all-wheel drive configurations. The S90 doesn’t offer a two-wheel drive configuration.

J.D. Power and Associates rated the 4 Series Gran Coupe first among compact premium cars in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The S90 isn’t in the top three in its category.

The BMW 4 Series outsold the Volvo 90 Series by over 10 to one during 2024.