BMW X4

BMW X4: Which Version Should You Buy?

The BMW X4 choice comes down to priorities. For the lowest measured combined fuel consumption, the first-generation 20d 2.0 AT xDrive records 5.2 L/100 km. For the quickest measured acceleration, the restyled second-generation M40i 3.0 AT xDrive (382 hp) reaches 100 km/h in 4.4 seconds.

The BMW X4 choice comes down to priorities. For the lowest measured combined fuel consumption, the first-generation 20d 2.0 AT xDrive records 5.2 L/100 km. For the quickest measured acceleration, the restyled second-generation M40i 3.0 AT xDrive (382 hp) reaches 100 km/h in 4.4 seconds. Drivers seeking a middle ground can compare the restyled 30i 2.0 AT xDrive, with 245 hp, 356 Nm, and 7.5 L/100 km, against the 30d 3.0 AT xDrive, with 286 hp, 650 Nm, and 6.1 L/100 km. Every listed BMW X4 is an SUV 5-doors with AWD, but the engines, performance, economy, weight, and transmissions differ substantially.

BMW X4 generations: what changed?

The first generation ran from June 2014 to January 2019 and contains 9 versions. It offers Gasoline and Diesel engines with 4 or 6 cylinders in an Inline layout. Most versions use an 8-speed Automatic, but the 20d 2.0 MT xDrive combines its Diesel engine with a 6-speed Manual. Its measured outputs extend from 184 hp in the 20i 2.0 AT xDrive to 360 hp in the M40i 3.0 AT xDrive.

The second generation ran from March 2018 to May 2021 and also contains 9 versions, all with an 8-speed Automatic and AWD. Output extends from 184 hp for the 20i 2.0 AT xDrive to 382 hp for the M40i xDrive Steptronic. The generation’s quickest measured version is the M40i 3.0 AT xDrive (360 hp) at 4.8 seconds to 100 km/h; acceleration for the M40i xDrive Steptronic is not measured.

The second-generation restyling began in June 2021 and contains 8 versions. Every version retains the SUV 5-doors body, AWD, Turbo induction, and an 8-speed Automatic. The range spans 184–382 hp and includes 4-cylinder and 6-cylinder Inline Gasoline and Diesel engines. Compared with the pre-restyling M40d 3.0 AT xDrive, the restyled version gains 14 hp and 20 Nm, while both record 6.6 L/100 km combined.

BMW X4 engine options and specs

Repeated names are identified by generation or horsepower because several specifications share the same database name.

Among the Gasoline choices, the restyled M40i 3.0 AT xDrive (382 hp) produces about 127.4 hp per litre, versus about 92.1 hp per litre for the restyled 20i 2.0 AT xDrive. The restyled M40d 3.0 AT xDrive provides the range’s highest torque at 700 Nm, which is 200 Nm more than the restyled M40i 3.0 AT xDrive (382 hp).

BMW X4 performance and fuel economy

The first-generation 20d 2.0 AT xDrive is the economy choice on the supplied measurements. It consumes 0.4 L/100 km less than the first-generation Manual with identical 190 hp, 400 Nm, 8.0-second acceleration, and 212 km/h top speed.

For performance with lower fuel use than the Gasoline M40i alternatives, the restyled M40d 3.0 AT xDrive is particularly strong: it matches the 4.9-second acceleration and 250 km/h top speed of the restyled M40i 3.0 AT xDrive (360 hp), but its combined consumption is 2.1 L/100 km lower.

BMW X4 weight, clearance, tank, and wheel sizes

The first-generation M40i 3.0 AT xDrive has the best calculated weight-to-power figure here at approximately 5.11 kg/hp. The restyled M40i 3.0 AT xDrive (382 hp) follows at approximately 5.23 kg/hp, despite having 22 hp more, because it is 157 kg heavier.

Which BMW X4 version should you choose?

Choose the first-generation 20d 2.0 AT xDrive if measured fuel economy is the deciding factor. Its 5.2 L/100 km combined result is the lowest in the supplied data, and its Automatic version is 75 kg lighter than the otherwise closely matched 20d 2.0 MT xDrive.

Choose the second-generation 30i 2.0 AT xDrive (252 hp) for a balanced Gasoline specification. It reaches 100 km/h in 6.3 seconds, records 240 km/h, and consumes 7.3 L/100 km combined. Against the second-generation 20i 2.0 AT xDrive, it adds 68 hp and 61 Nm, cuts acceleration time by 2.0 seconds, and uses the same 7.3 L/100 km combined.

Choose the restyled 30d 3.0 AT xDrive when strong Diesel torque matters without moving to an M40 version. Its 650 Nm exceeds the restyled 30i 2.0 AT xDrive by 294 Nm, and it reaches 100 km/h 0.7 seconds sooner while using 1.4 L/100 km less in the combined measurement.

Choose the restyled M40d 3.0 AT xDrive for the clearest performance-and-economy compromise. Its 340 hp, 700 Nm, 4.9-second acceleration, 250 km/h top speed, and 6.6 L/100 km combined consumption place it between the regular Diesel versions and the fastest Gasoline model.

Choose the restyled M40i 3.0 AT xDrive (382 hp) if the quickest measured acceleration is the priority. Its 4.4-second result is 0.5 seconds quicker than both restyled 360 hp M40i 3.0 AT xDrive and M40d 3.0 AT xDrive versions. The trade-off visible in the data is 10.2 L/100 km combined consumption, which is 3.6 L/100 km above the M40d.

Prices, listings, oil capacity, coolant specifications, problems, recalls, and reliability measurements are not included in the supplied data and are therefore not measured here.