The short answer
Based on available data, the Audi RS5 comes out ahead of the Mercedes-Benz CLE 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 heavily dependent on the specific generation and powertrain. The naturally aspirated V8 models (B8/B8.5, 2013-2015) are praised for their thrilling, high-revving engine character, exceptional exhaust sound, and perceived build quality, making them desirable for driving enthusiasts. However, they are associated with very high and unpredictable maintenance costs outside of warranty.
Best version to buy
Insufficient owner data available to declare a single "best" version, as preferences are split by generation. Enthusiasts seeking engine character and sound strongly favor the B8/B8.5 generation with the 4.2L FSI V8.
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 Audi RS5 is the better choice for most buyers.
It has more power on its best-equipped version than the Mercedes-Benz CLE, based on the data above. If efficiency matters more to you than outright power, the Mercedes-Benz CLE is worth a closer look instead.
Other comparisons
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Owner reports show similar reliability sentiment for the Audi RS5 and the Mercedes-Benz CLE. Check the known issues listed above for specific differences between the two.
The Audi RS5 seats more passengers than the Mercedes-Benz CLE on its catalogued best-equipped version. Body type also differs: the Audi RS5 is classed as a Fastback, the Mercedes-Benz CLE as a Cabriolet.
Fuel consumption data is limited for one or both models. Check the specs table above for the figures available on each catalogued version.
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the Audi RS5 than the Mercedes-Benz CLE. See the known issues comparison above.