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- Highs Snazzy exterior design, good fuel economy, entertaining driving dynamics from both trim levels.
- Lows Stingy cargo capacity relative to that of rival crossovers, slim selection of standard driver-assistance features, Android Auto is conspicuously absent.
- Verdict The X4 shines as a solid pick for shoppers seeking a small luxury SUV that emphasizes handsome design and stirring performance.
Coupes meet the needs of car shoppers in the market for something that's more stylish (and less practical) than a sedan, and the X4 fills a similar role in BMW's SUV lineup. The 2020 BMW X4 is a fastback version of the X3, and it boasts a sporty design with a coupe-like roofline. Relative to the X3, the X4 provides less cargo space; it's a better fit for singles and couples than it is for those facing the hauling responsibilities that can come with parenthood. With its athletic handling, the X4 is an entertaining companion, whether driven on highway blacktop or city streets. Overall, this compact luxury SUV is one to consider if your priorities are style and performance.
What's New for 2020?
Fresh off its 2019 redesign, the X4 carries over into 2020 with minimal changes. The biggest news is that the twin-turbo six-cylinder of the M40i gets a serious boost in power, from 355 to 382. Base models add BMW's Comfort Access system as standard equipment. This system allows you to access the vehicle without removing the key fob from your pocket.
Pricing and Which One to Buy
The M40i comes with the more powerful of the X4's two available engines. Still, there's plenty of grunt offered with the xDrive 30i's powerplant, and we imagine this more affordable model will be a satisfying choice for most buyers. The xDrive 30i comes standard with exterior features such as 19-inch wheels, rain-sensing windshield wipers, a panoramic sunroof, and heated power-folding side mirrors. Inside the cabin, you'll find amenities such as power-adjustable sport seats, automatic climate control, and an auto-dimming rearview mirror.
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Engine, Transmission, and Performance
The base 2020 BMW X4 xDrive 30i gets its motivation from a twin-turbo 2.0-liter four-cylinder engine that generates 248 horsepower and 258 lb-ft of torque. In our time at the track, this model made the sprint from zero to 60 mph in a respectable 6.1 seconds.
If you're in the mood for something more high octane, the X4 M40i will be an ideal fit. This model is equipped with a twin-turbo 3.0-liter six-cylinder that produces a beefy 382 horsepower and 365 lb-ft of torque. BMW's X4 M40i hustles from zero to 60 mph in a scant 4.2 seconds, according to our track tests, and its engine note is as impressive as its acceleration. Launch control is standard.
Both trims come with an eight-speed automatic transmission that sends power to all four wheels. Regardless of which X4 you choose, you'll be treated to an SUV that matches keen handling with a ride quality that's easy to live with.
Fuel Economy and Real-World MPG
The EPA estimates that the 2020 X4 xDrive 30i achieves mileage of 23/28 mpg city/highway. That's an improvement on the fuel economy offered by rivals such as the Jaguar F-Pace (up to 22/27 mpg). In our tests, we observed highway fuel economy of 33 mpg.
With the X4 M40i, estimated EPA fuel economy stands at 21/27 mpg. We were able to achieve real-world fuel economy of 28 mpg on the highway during our time with the SUV.
Interior, Comfort, and Cargo
Clean modernity is the name of the game within the X4's premium cabin. The center stack looks a bit like the shield of a superhero, and it sits beneath a stylish floating touchscreen. The X4's 35.5 inches of rear legroom is less than you'll get with its more pragmatic relative, the X3 (36.4 inches). Also, the X4 forces you to make some compromises when it comes to cargo space. This model provides just 19 cubic feet of cargo capacity with all seats in place and 51 cubic feet with the rear seats lowered. The X3 fares much better in this area, providing 29 cubic feet of room for your belongings behind the second row and 63 cubic feet with the rear seats folded.
Infotainment and Connectivity
The base-model X4 comes with HD radio and a 12-speaker sound system. Apple CarPlay capability is standard with a one-year trial, and this allows you to seamlessly connect the vehicle with your iPhone and iPad. Unfortunately, Android Auto isn't offered and BMW will charge you for CarPlay after your trial period has ended. An integrated navigation system is standard, and the infotainment system comes with a 10.3-inch display screen. The X4's available Executive package brings in a nifty gesture-control feature. This amenity allows the driver to control the infotainment system using five simple hand gestures.
Safety and Driver-Assistance Features
The 2020 BMW X4 hasn't yet been crash-tested by the National Highway Traffic Safety Administration (NHTSA) or the Insurance Institute for Highway Safety (IIHS). There are lots of optional driver-assistance features available, but the list of standard amenities in this area is meager. Key safety features include:
- Standard forward-collision warning
- Standard low-speed automated braking
- Available adaptive cruise control
- Available lane-keeping assist
- Available surround-view camera
- Available blind-spot monitoring
Warranty and Maintenance Coverage
The X4's warranty is great when compared with the coverage offered by less expensive mainstream models, but it's merely average when viewed next to the protection provided by its rivals in the luxury segment. Complimentary scheduled maintenance is provided. Not all models in this segment offer this perk, so that's a feather in the X4's cap.
- Limited warranty covers 4 years or 50,000 miles
- Powertrain warranty covers 4 years or 50,000 miles
- Complimentary scheduled maintenance covered for 3 years or 36,000 miles