The short answer
Based on available data, the Tesla Model S comes out ahead of the Jaguar XJ 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 deeply divided and heavily dependent on the specific generation and powertrain. For the classic X300/X308 (mid-1990s to early 2000s) and the Ford-era X350/X358 (2003-2009), long-term owner feedback is mixed, with strong praise for their distinctive styling, luxurious interiors, and driving experience, but severe criticism for reliability, aging poorly after high mileage, and costly repairs. The aluminum-bodied X350/X358 generation, in particular, is noted for its rust-free construction and more reliable naturally-aspirated 4.2L V8, with some owners reporting affordable maintenance using common Ford/Lincoln parts.
Best version to buy
For the X350/X358 generation (2003-2009), the 2006-2009 model years with the naturally-aspirated 4.2L V8 are recommended to avoid early issues present in 2004-2005 models. The Super V8 (SV8) trim is highlighted as a particularly good example.
Known issues
Overall
Sentiment is mixed and varies significantly by vehicle generation. Long-term owners of older models (specifically pre-2021, with mentions of a 2015 model) report severe dissatisfaction with long-term reliability and ownership costs, describing the vehicle as poorly designed for longevity with frequent, expensive failures. In contrast, discussions of newer models (post-2021) are more focused on competitive positioning, with feedback indicating they are perceived as technologically capable but lagging in interior luxury, build quality, and overall refinement compared to newer premium electric vehicles.
Best version to buy
Insufficient owner data available to designate a specific model year or trim (e.g., Long Range vs. Plaid) as the "best" among community discussions.
Known issues
The verdict
The Tesla Model S is the better choice for most buyers.
It has more power on its best-equipped version than the Jaguar XJ, based on the data above. If efficiency matters more to you than outright power, the Jaguar XJ is worth a closer look instead.
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Which is more reliable, the Jaguar XJ or the Tesla Model S?
Owner reports show similar reliability sentiment for the Jaguar XJ and the Tesla Model S. Check the known issues listed above for specific differences between the two.
Which is better for families, the Jaguar XJ or the Tesla Model S?
Both seat a similar number of passengers based on our data. The Jaguar XJ is classed as a Sedan, the Tesla Model S as a Liftback, which affects cargo space and ride height for family use.
Which has better fuel economy, the Jaguar XJ or the Tesla Model S?
Fuel consumption data is limited for one or both models. Check the specs table above for the figures available on each catalogued version.
Which is cheaper to maintain, the Jaguar XJ or the Tesla Model S?
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the Jaguar XJ than the Tesla Model S. See the known issues comparison above.