Well where I live they don't cell the new Suzuki Celerio or the Suzuki S-Presso and neither have they offered an AGS gearbox - So I won't write this down as an Answer, but I'm happy to tell what I think about Suzuki S-Pressos and Celerio models with the manual.
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The old Celerio and Alto were great little city cars. The Celerio can fit within the wheelbase of an F-150 SuperCab with room to spare, and it has a tiny turning circle of 9 meters - It's a very reliable, incredibly cheap, well-though out city car, the ±2015 era ones easily lasted over 150k miles (With good maintenance I'd say it's possible to even go 210k-230k miles - at least on the old ones with the manual).
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But I wouldn't buy one and wouldn't ever recommend one, their safety is questionable at best (European versions had 3/5 stars), and I don't think they make any sense in general.
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For those that are planing to use a lot - It's really not worth the savings, 50 mpg is good but not great and frankly It's just too small and too dangerous.
For those that plan to drive them for 3k-10k miles a year like many owners do - there are so many cars that are so much more enjoyable at that size like the Toyota AYGO Sky (a tiny Toyota convertible), Opel Adam Rocks (an absolutely tiny tough looking SUV-like micro coupe - It's genuinely commutable and is just great although it's not reliable at all from what I've been seeing), and many others that may be less efficient, less reliable, but when you drive it so little it usually doesn't even really matter.
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They were good car for those that are looking for an efficient, smallest, cheapest, reliable car - in the UK they're like £8,000 - that's less than half the price of a base model Ford Fiesta / Hyundai i20 and it's probably going to be way cheaper longterm when considering the repair costs when the Ford/Hyundai will begin to fall apart...