The short answer
Based on available data, the McLaren 620R comes out ahead of the Acura NSX 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
Overwhelmingly positive sentiment approaching legendary reverence for first-generation model, widely regarded as revolutionary supercar redefining exotic car reliability, usability, and everyday drivability. Praised extensively for exceptional Honda build quality enabling routine 200,000-300,000+ mile operation without major mechanical failures, precise handling dynamics teaching Ferrari and Porsche lessons in chassis balance, comfortable ergonomics allowing daily driving unlike temperamental Italian competitors, and timeless aluminum body construction preventing rust. The naturally-aspirated 3.0L V6 producing 270-274 hp delivers linear, predictable power delivery with intoxicating VTEC engagement at 5,800 RPM and 8,000 RPM redline.
Best version to buy
3.0L Manual Transmission (1991-1997, pre-facelift) The 1991-1997 pre-facelift models with 5-speed manual transmission represent purest NSX expression - lightweight aluminum construction (approximately 3,000 lbs / 1,361 kg), naturally-aspirated 3.0L C30A V6 producing 270-274 hp, fixed headlights (1991-1993 pop-ups add 60 lbs / 27 kg), manual steering maintaining ultimate feedback. The 1995+ NSX-T targa variant adds removable roof panel but 100+ lbs (45+ kg) weight penalty and reduced chassis rigidity.
Known issues
Overall
Owner sentiment is extremely limited and fragmented, with no substantive discussion of long-term ownership experiences, driving dynamics, or daily usability. The model is mentioned only in passing within broader discussions about the McLaren brand's reliability, model proliferation, and racing programs. The few direct references characterize it as a "race car for the road" and a more advanced version of the 570S, but no first-hand ownership impressions are present.
Best version to buy
Insufficient owner data available.
Known issues
The verdict
The McLaren 620R is the better choice for most buyers.
It has more power on its best-equipped version than the Acura NSX, based on the data above. If efficiency matters more to you than outright power, the Acura NSX is worth a closer look instead.
Other comparisons
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Which is more reliable, the Acura NSX or the McLaren 620R?
Owner reports show similar reliability sentiment for the Acura NSX and the McLaren 620R. Check the known issues listed above for specific differences between the two.
Which is better for families, the Acura NSX or the McLaren 620R?
Data on family-specific factors like cargo space is limited for one or both models, but based on available reports, both are positioned as practical daily drivers. Check the specs table above for seating and body type.
Which has better fuel economy, the Acura NSX or the McLaren 620R?
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 Acura NSX or the McLaren 620R?
Exact maintenance costs aren't in our data, but owner reports mention cost-related concerns more often for the Acura NSX than the McLaren 620R. See the known issues comparison above.