The city number falls between those of the Audi Q5 (23 mpg) and the all-wheel-drive Mercedes-Benz GLC300 (21 mpg), while the BMW’s highway figure tops both competitors’. The M40i starts out with a firmer suspension, and our example added the adaptive dampers (a stand-alone option that’s $1000 on the 30i and $700 on the M40i). As before, the X3 is offered with four or six cylinders under the hood, both engines bolstered by a turbocharger. The net result is that this is a rare modern BMW that doesn’t require you to switch it out of Comfort mode and into Sport the minute you turn it on.
The model has undergone a redesign for 2018, which sees it get slightly larger—not surprising given that the X1 is on hand, soon to be joined by the new X2, for buyers seeking something smaller.
Zero to 100 mph: 11.2-14.4 sec The interior materials convincingly support the notion of the X3 as a premium-brand vehicle, and the front-seat occupants both enjoy standard sport seats with 10-way power adjustment. This engine punches above its weight in other applications (330i, 530i), but here it feels a tad overmatched. We may earn money from the links on this page. Our car experts choose every product we feature. In the lower-spec model, it fails to build effort as you wind on more lock, instead seeming to increase assist; switching to Sport mode increases overall effort, masking this behavior. JOE LORIO. VEHICLE TYPE: front-engine, all-wheel-drive, 5-passenger, 4-door hatchback, BASE PRICES: xDrive30i, $43,445; Top speed: 130-155 mph, EPA FUEL ECONOMY: It is well packaged, with a generous cargo hold (29 cubic feet behind the rear seat, versus 19 in the GLC) and an airy back seat—the latter made to seem more so by the now larger panoramic sunroof. Combined/city/highway: 23-25/20-22/27-29 mpg, Hummer Is Back with a 1000-HP Electric Pickup, Hummer EV Starts at $112K, Cheaper Models to Come, GMC's 2022 Hummer EV's Competitors Are Few, Once Notorious, the Hummer Brand Aims for Glory.
A popular crossover becomes a more convincing BMW. The six-cylinder X3 M40i also manages increases of 1 mpg over its predecessor in both EPA measures, with ratings of 20/27 mpg city/highway. M40i, $55,295, ENGINE TYPES: turbocharged and intercooled DOHC 16-valve 2.0-liter inline-4, 248 hp, 258 lb-ft; turbocharged and intercooled DOHC 24-valve 3.0-liter inline-6, 355 hp, 369 lb-ft, TRANSMISSION: 8-speed automatic with manual shifting mode, DIMENSIONS:Wheelbase: 112.8 inLength: 185.9-186.1 inWidth: 74.4-74.7 in Height: 66.0 inPassenger volume: 99-101 cu ftCargo volume: 29 cu ftCurb weight (C/D est): 4200-4300 lb, PERFORMANCE (C/D EST): We may earn a commission for purchases made through our links. With either engine, the eight-speed automatic, unfortunately, is controlled via BMW’s annoying and unintuitive electronic shifter that is spreading throughout the lineup.
Those who park on the street (or who are just paranoid) might want to know about the Remote 3D view function, in which the X3’s available phalanx of cameras can create a snapshot of the car’s immediate surroundings and send it to your mobile phone.