The short answer
The BMW 4 Series offers fuel economy, while the Mercedes-Benz CLE excels at power instead. Choose the BMW 4 Series if you prioritize fuel economy in daily driving, or the Mercedes-Benz CLE if power matters more for your needs. Both are covered by real owner reports on CarWizz.
Overall
Sentiment is mixed and heavily dependent on the specific model, engine, and generation. For the F-generation (e.g., 428i, 430i, 435i, 440i), owner feedback is generally positive regarding driving dynamics, styling, and the overall package of technology and comfort. These cars are frequently described as "amazing," "solid," and "great all-rounders" that offer a satisfying blend of performance and luxury features.
Best version to buy
Models equipped with the B58 inline-six turbocharged engine (e.g., 435i, 440i, M440i) receive the most consistent praise for performance, smoothness, and being a "great drivetrain." The M440i with its mild-hybrid system is specifically noted for its refined start-stop and improved low-end response. For the F-generation, the 435i is frequently mentioned as a desirable and reliable powertrain choice.
Known issues
Overall
Sentiment is mixed and highly dependent on the specific powertrain and trim. The CLE 53 AMG receives significant praise for its styling, which is frequently described as "incredible," "aggressive," and a "looker." It is also commended for its powerful and reliable inline-6 engine, comfortable ride, and being a compelling "middle of the road" daily driver that balances performance and comfort. The CLE 450 is noted for its swift acceleration, excellent cornering, and comfortable highway cruising, with interior quality perceived as a step above the C-Class.
Best version to buy
CLE 53 AMG: This trim is overwhelmingly recommended over the non-AMG variants (300/450) for its superior performance, more aggressive styling, and overall driving experience. Owners state they would choose a C or E-Class AMG over a CLE 300/450, emphasizing that the AMG variant justifies the price increment.
Known issues
The verdict
The BMW 4 Series is the better choice for most buyers.
It has better fuel economy on its best-equipped version than the Mercedes-Benz CLE, based on the data above. If power matters more to you than running costs, the Mercedes-Benz CLE is worth a closer look instead.
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Which is more reliable, the BMW 4 Series or the Mercedes-Benz CLE?
Owner reports show similar reliability sentiment for the BMW 4 Series and the Mercedes-Benz CLE. Check the known issues listed above for specific differences between the two.
Which is better for families, the BMW 4 Series or the Mercedes-Benz CLE?
The BMW 4 Series seats more passengers than the Mercedes-Benz CLE on its catalogued best-equipped version. Body type also differs: the BMW 4 Series is classed as a Coupe, the Mercedes-Benz CLE as a Cabriolet.
Which has better fuel economy, the BMW 4 Series or the Mercedes-Benz CLE?
The BMW 4 Series is more fuel-efficient on paper: 7.8-8.3 L/100km combined versus 9.3-9.8 L/100km for the Mercedes-Benz CLE, based on the best-equipped catalogued version of each.
Which is cheaper to maintain, the BMW 4 Series or the Mercedes-Benz CLE?
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the BMW 4 Series than the Mercedes-Benz CLE. See the known issues comparison above.