I bought my 2012 plate Aygo in 2014 for £5,450 I crashed it last year in 2023 and while I was waiting for repairs and the decision from the insurance company I decided to checkout the prices and all the models the same as mine was still selling for £5,000! How can a car have only lost £450 in 9 years!? I do think this was around the time of the car price bubble though. You may think I'm crazy but I really didn't want the insurance company to write my car off! I love my Aygo. I do wonder if the £0 road tax or the cheaper tax in general has held up the prices for older cars?
I bought it with 10,000 miles on the clock and it's now got 120,000 miles on it and still feels nice to drive and runs great. My partner owns a Skoda Octavia and I swear the Toyota Aygo is more comfortable for long distance trips (other than the lack of luggage space if you're going away). The main reason is that you can steer the Aygo using your pinky finger, the steering is light and doesn't tire you out trying to keep the car in a straight line as I find in the Octavia. I seem to think the Aygo has quite a neutral toe angle which means you can almost set the steering to the correct angle to go around a corner and take your hands off the wheel and the steering will maintain the same steering angle, the steering wheel never fights you while you're steering around a bend.
Cons - the car is cheap
Pros - the car is cheap (servicing, parts, repairs and great fuel economy) you probably won't believe me but fuel economy often ranges between 70-80mpg with eco driving techniques, the best ever tank was this year at 81.1mpg (591 miles on 33.11L of fuel!)
If you ever need to replace the battery check if you can fit an 063 (check if the battery tray is wider than the battery, the 063 is wider slightly shorter but has the same depth as a 202). I know my version of the Aygo has a larger battery tray (which was universal for the diesel, petrol and cold weather models). The original 202 battery size is a rarer battery size which often means 063 batteries are cheaper and they're slightly higher capacity and CCA ratings. You can also fit an 075 to mine but they was more expensive when I replaced mine. I managed to get a Varta Silver 063 for £45 and then got £10 in scrap value from my old battery.
202 L=175mm W=175mm H= 190mm
063 L=207mm W=175mm H=175mm
075 L=242mm W=175mm H= 175mm
picking it up either Thursday or Friday, ended up spending a little more than 10k and getting a 71 plate Aygo with just under 11k on the clock & in absolutely perfect condition inside and out, on the test drive it didn't feel any slower than my old Fiesta which was also slow 
I also manage to sell the Fiesta privately & lost just 700 quid on it from when i originally bought it back in 2017.
