You can still get the R on lease for under £250 a month.
Depends on what you constitute a "monthly" cost. For me, having an R which costs you £250 a month after a whopping initial rental is a false figure. Total duration cost over number of months gives a fair comparison.
The R could've been had for as little as £268pm (manual, TR, no extras) all in once upon a time. A while back I saw a "£10pm" deal on a C1, but you had to put £1200 down for a 1 year term, making a mockery of the headlining monthly cost.
Right now with CVL, a 3 door manual R is £355 inc VAT per month over 24 months + £2315 down/fees.