ProInvaluable when used with a performance car
ConsPricier ... but that's why I use AA petrol watch!
ProIncreased performance(esp mid range) and economy, ...
ConsCost 89.9p per litre eye-wateringly expensive (at ...
ProShell get much richer !!!!
ConsI get much poorer !!!
ProGives more power, smoother drive.
ConsPrice premium, availability.
ProHigher performance, cleans fuel system as you driv...
ConsNone if you dont mind paying a little extra
ProWill make a marked improvement on your car.
ConsWon't happen overnight. More expensive.
ProCleaner full better for car
ProFuel Economy, Overall Engine Performance
ConsEstra Cost over standard unleaded
ProIncreased MPG, better economy, improved performanc...
ConsNone that come to mind
Prosmoother engine & more power for some
Cons..but not all, cost.
ProBetter fuel economy, increased performance, longer...
ConsThe PRICE! the fact that there aren't shell garag...
ProHigh Octane, Cleans Engine & Injection
ConsNothing, you get what you pay for
ProSMOOTHER RUNNING AND PERFORMANCE