The short answer
Based on available data, the Bugatti Chiron comes out ahead of the Bugatti Veyron 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
Extremely positive sentiment overall, with the vehicle universally praised as a monumental engineering achievement. It is described as the perfect evolution of its predecessor, offering a 300+ mph (483+ km/h) top speed capability, immense high-speed stability, and significant dynamic improvements over earlier models. The Chiron is celebrated for being both an incredibly fast hypercar and a comfortable, luxurious grand tourer, capable of being driven by anyone.
Best version to buy
Chiron Super Sport 300+ is specifically highlighted for its top speed credentials and performance figures. The Chiron Sport and Chiron Pur Sport are also mentioned in comparative lists, but insufficient data exists to declare a consensus "best" version.
Known issues
Overall
The sentiment from owner discussions is overwhelmingly positive, characterized by profound respect for its engineering achievement and historical significance. The Veyron is consistently described as a groundbreaking hypercar that redefined performance benchmarks, being the first road-legal production car with over 1,000 horsepower and a top speed exceeding 400 km/h (250 mph). It is praised for its ability to combine immense straight-line speed with luxury and comfort.
Best version to buy
Veyron Super Sport. This variant is specifically highlighted as a "decent improvement" over the standard Veyron, offering enhanced driving dynamics and performance.
Known issues
The verdict
The Bugatti Chiron is the better choice for most buyers.
It has better fuel economy on its best-equipped version than the Bugatti Veyron, based on the data above. If power matters more to you than running costs, the Bugatti Veyron is worth a closer look instead.
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Which is more reliable, the Bugatti Chiron or the Bugatti Veyron?
Owner reports show similar reliability sentiment for the Bugatti Chiron and the Bugatti Veyron. Check the known issues listed above for specific differences between the two.
Which is better for families, the Bugatti Chiron or the Bugatti Veyron?
Both seat a similar number of passengers based on our data. The Bugatti Chiron is classed as a Coupe, the Bugatti Veyron as a Targa, which affects cargo space and ride height for family use.
Which has better fuel economy, the Bugatti Chiron or the Bugatti Veyron?
The Bugatti Chiron is more fuel-efficient on paper: 21.5 L/100km combined versus 23.1 L/100km for the Bugatti Veyron, based on the best-equipped catalogued version of each.
Which is cheaper to maintain, the Bugatti Chiron or the Bugatti Veyron?
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the Bugatti Veyron than the Bugatti Chiron. See the known issues comparison above.