The short answer
Based on available data, the BMW X1 comes out ahead of the Infiniti QX30 on fuel economy and 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 sharply divided and heavily dependent on the specific generation and market context. For the current U11 generation (2023+), feedback is mixed with significant criticism focused on reliability, build quality, and driving experience. Multiple owners report serious safety and quality defects, including brake and transmission recalls, interior trim peeling, and sudden system failures.
Best version to buy
Insufficient owner data available to declare a consensus "best version." For the F48 generation, diesel variants (e.g., sDrive18d) are mentioned favorably for their fuel economy and adequate power. For the newer models, there is no trim or powertrain singled out for recommendation; instead, warnings are given regarding specific model years.
Known issues
Overall
Mixed to negative sentiment overall. The vehicle is praised by some owners for its attractive design, sporty driving dynamics, good fuel economy from the turbocharged four-cylinder engine, and high-quality interior materials, especially when purchased as a used value proposition. However, a very strong and recurrent theme across owner discussions is significant concern over electrical and software glitches, which manifest in numerous, often dangerous, ways.
Best version to buy
Insufficient owner data available to designate a specific trim or model year as "best." Owner discussions reference various model years (2017-2019) and trims (Sport, AWD) without a clear consensus on a preferred version. The fundamental platform and powertrain are consistent across the model run.
Known issues
The verdict
The BMW X1 is the better choice for most buyers.
It has better fuel economy on its best-equipped version than the Infiniti QX30, based on the data above. If power matters more to you than running costs, the Infiniti QX30 is worth a closer look instead.
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Which is more reliable, the BMW X1 or the Infiniti QX30?
Owner reports show similar reliability sentiment for the BMW X1 and the Infiniti QX30. Check the known issues listed above for specific differences between the two.
Which is better for families, the BMW X1 or the Infiniti QX30?
Both seat a similar number of passengers based on our data. The BMW X1 is classed as a SAV, the Infiniti QX30 as a Hatchback, which affects cargo space and ride height for family use.
Which has better fuel economy, the BMW X1 or the Infiniti QX30?
The BMW X1 is more fuel-efficient on paper: 0.7-1.1 L/100km combined versus 6.7 L/100km for the Infiniti QX30, based on the best-equipped catalogued version of each.
Which is cheaper to maintain, the BMW X1 or the Infiniti QX30?
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the Infiniti QX30 than the BMW X1. See the known issues comparison above.