The short answer
Based on available data, the BMW X3 comes out ahead of the BMW X2 on power. Check the specs table and owner sentiment below for the full comparison before deciding between the two. Both are covered by real owner reports on CarWizz.
Overall
Sentiment is mixed and varies significantly by model year and powertrain. The first-generation X2 (pre-2024) is generally viewed as a competent, fun-to-drive compact crossover, particularly in the M35i performance variant, which is praised for its handling and power. It is often described as a good entry-level BMW with decent fuel economy and practicality for its size.
Best version to buy
X2 M35i. This performance variant is specifically highlighted for being "fun to drive," handling well when pushed, and offering a good balance of power and fuel economy.
Known issues
Overall
Sentiment is sharply divided and heavily dependent on model year, powertrain, and ownership phase. For newer models (approximately 2018-2024), owner feedback is generally positive, praising the X3 as a well-rounded, sporty luxury SUV with excellent driving dynamics, comfortable seats, good fuel economy for its class (low 30s MPG for the turbo 4-cylinder), and a high-quality, quiet interior. The B58 inline-six engine (in M40i models) is frequently highlighted as a standout for its power and reliability.
Best version to buy
The X3 M40i with the B58 turbocharged inline-six engine is the most recommended version for those seeking performance and reliability. For the four-cylinder models, the xDrive30i (all-wheel drive) is preferred over the sDrive (rear-wheel drive) for its all-weather capability and resale value.
Known issues
The verdict
The BMW X3 is the better choice for most buyers.
It has more power on its best-equipped version than the BMW X2, based on the data above. If efficiency matters more to you than outright power, the BMW X2 is worth a closer look instead.
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Owner reports show similar reliability sentiment for the BMW X2 and the BMW X3. Check the known issues listed above for specific differences between the two.
Both seat a similar number of passengers based on our data. The BMW X2 is classed as a SAC, the BMW X3 as a SAV, which affects cargo space and ride height for family use.
The EPA rates the 2027 BMW X2 at 26–28 mpg combined and the 2026 BMW X3 at 27–29 mpg, depending on the version.
Exact maintenance costs aren't in our data, but reliability signals above are the closest proxy: fewer reported issues generally means lower repair costs over time.