Aston Martin
Vanquish
BMW
Z8
Aston Martin Vanquish vs BMW Z8: 2025 Comparison
The short answer
Based on available data, the Aston Martin Vanquish comes out ahead of the BMW Z8 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.
Specs side by side
What owners say
Vanquish
Overall
Owner sentiment is overwhelmingly positive, centered on the vehicle's exceptional design, naturally aspirated V12 engine character, and grand touring capabilities. The Vanquish is consistently described as one of the most beautiful cars ever produced, with its V12 praised for its raw, deep, and addictive sound and torque delivery, offering a driving experience considered more engaging and visceral than later turbocharged or electronically assisted models. It is noted as a practical and comfortable daily driver with ample room for tall occupants.
Best version to buy
2015+ Model Years: Owners strongly recommend the 2015 and later models due to the significant upgrade from a 6-speed to an 8-speed automatic transmission, which addresses the "lazy" shift character noted in the 2014 model. The naturally aspirated V12 engine in these later models is specifically preferred over the newer turbocharged engines found in models like the DB11 for its sound and character.
Known issues
- ⚠High ownership costs and suspect reliability: Very frequent mentions of expensive repairs, complex issues, and the need for a significant maintenance budget.
- ⚠First-generation automated manual transmission problems: The clutch actuator system in early (2001-2004) Vanquish and Vanquish S models is prone to very expensive failures, with repair costs cited at $40,000-$50,000 for a traditional manua…
- ⚠Electrical issues: Prone to annoying electrical gremlins, especially if the battery is not kept on a maintainer. A specific guide exists for unlocking a 2014 model with a dead battery due to a hidden keyhole. Frequency: recurrent.
Z8
Overall
The sentiment is overwhelmingly positive, with the Z8 consistently described as a special, modern classic, and highly desirable collector's item. It is praised for its unique and futuristic design, hand-built aluminum construction, powerful S62 V8 engine from the E39 M5, and its status as a James Bond hero car. Owners and enthusiasts highlight its excellent driving dynamics, with reports of it outperforming contemporary benchmarks like the Ferrari 360 Modena in acceleration, handling, and braking.
Best version to buy
Insufficient owner data available to distinguish between model years or trims. The vehicle is discussed monolithically as a singular, limited-production model.
Known issues
- ⚠Neon tail light failure: Replacement units are described as costing "friggin' thousands." Frequency: isolated.
- ⚠Cooling system hose failures: A common early-2000s BMW issue; noted that by now this has likely been addressed on most examples. Frequency: isolated.
- ⚠Intermittent engine misfire: One report of an intermittent misfire on a low-mileage example. Frequency: isolated.
The verdict
The Aston Martin Vanquish is the better choice for most buyers.
It has better fuel economy on its best-equipped version than the BMW Z8, based on the data above. If power matters more to you than running costs, the BMW Z8 is worth a closer look instead.
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Frequently asked questions
Which is more reliable, the Aston Martin Vanquish or the BMW Z8?
Owner reports show similar reliability sentiment for the Aston Martin Vanquish and the BMW Z8. Check the known issues listed above for specific differences between the two.
Which is better for families, the Aston Martin Vanquish or the BMW Z8?
Both seat a similar number of passengers based on our data. The Aston Martin Vanquish is classed as a Coupe, the BMW Z8 as a Cabriolet, which affects cargo space and ride height for family use.
Which has better fuel economy, the Aston Martin Vanquish or the BMW Z8?
The Aston Martin Vanquish is more fuel-efficient on paper: 13.7 L/100km combined versus 14.5 L/100km for the BMW Z8, based on the best-equipped catalogued version of each.
Which is cheaper to maintain, the Aston Martin Vanquish or the BMW Z8?
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the Aston Martin Vanquish than the BMW Z8. See the known issues comparison above.