The short answer
Based on available data, the Ford Mustang comes out ahead of the Infiniti G 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 highly fragmented and generation-dependent. Long-term owner reports for older generations (e.g., SN95/New Edge, S197) often express strong satisfaction with reliability, simplicity, and the ownership experience, with some owners reporting trouble-free operation well past 100,000 miles. For the S550 generation (2015-2023), feedback is mixed.
Best version to buy
Insufficient owner data available to declare a consensus "best" version. Isolated positive remarks exist for the S550 Mach 1 for its balance of performance and reliability compared to the GT350, and for the 2013+ S197 GT500 for its historical impact.
Known issues
Overall
Owner sentiment is strongly positive, with the G35 and G37 consistently praised as high-value, reliable, and fun-to-drive sports sedans and coupes. The VQ-series engines (VQ35DE, VQ35HR, VQ37VHR) are highlighted for their robust power, smoothness, and durability, with many reports of them lasting well beyond 200,000 miles with proper maintenance. The driving experience is described as engaging, with good handling that feels planted and confident at speed.
Best version to buy
G37 Coupe (specifically the VQ37VHR engine): The G37 is consistently favored over the G35 for its more refined VQ37VHR engine, which is described as having a better torque curve, a higher 7500 RPM redline, and being "leaps and bounds better." The coupe body style is often discussed in the context of sportiness and styling. For all-wheel-drive models, the 'x' trim (G37x) is noted for its capability in colder climates.
Known issues
The verdict
The Infiniti G is the better choice for most buyers.
It has stronger reliability sentiment in owner reports than the Ford Mustang, based on the data above. If the specific known issues on the Infiniti G are a dealbreaker, the Ford Mustang is worth a closer look instead.
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Which is more reliable, the Ford Mustang or the Infiniti G?
Owner reports lean more positive on reliability for the Infiniti G than the Ford Mustang. See the known issues comparison above for the specific concerns owners report on each.
Which is better for families, the Ford Mustang or the Infiniti G?
The Infiniti G seats more passengers than the Ford Mustang on its catalogued best-equipped version. Body type also differs: the Ford Mustang is classed as a Fastback, the Infiniti G as a Sedan.
Which has better fuel economy, the Ford Mustang or the Infiniti G?
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 Ford Mustang or the Infiniti G?
Exact maintenance costs aren't in our data, but reliability signals above are the closest proxy: fewer reported issues generally means lower repair costs over time.