Useful answers.
Calculations included.
Route & Fuel guides combine official sources, current fuel prices and clear calculations. Each article starts with the practical answer, then explains the data and assumptions behind it.
Petrol vs electric car cost per mile UK
Compare petrol and EV energy cost per mile using UK MPG, charging efficiency, home charging and public charging assumptions.
How to save money on fuel
Three quick wins: use less fuel, drive more smoothly and check whether the cheaper stop is worth it.
AA and RAC journey planners with fuel stop planning
Use a route planner for directions, then add live prices, MPG, detour cost and station details.
Are fuel prices coming down in the UK?
30-day petrol and diesel movement, fill-up impact and why the line is not a forecast.
How to use a fuel finder app
Five checks for fuel grade, how recently the price changed, station details, detour cost and directions.
Is RON 99 fuel worth it?
See when RON 99 makes sense for performance cars, remapped cars and everyday driving, then compare the extra cost.
What RON petrol does my car need?
Understand RON 95, 97, 98, 99 and 102, plus how E5 and E10 labels fit into the fuel choice.
UK premium petrol: Tesco, Shell, Esso and Texaco
Compare current E5 prices, RON 99 options and Texaco’s site-dependent RON 97+ range.
Can you mix E5 and E10 petrol?
The official UK answer, compatibility check and accidental-fill guidance.
Is the cheapest fuel worth the detour?
A practical framework for price difference, fill size and extra miles.
How to calculate the true fuel saving
The formula behind gross saving, detour fuel and saving after extra driving.
How to find cheaper fuel along your route
Use how far each stop is from your journey, practical detour limits and fill size to compare stops without chasing the lowest headline price.
Motorway fuel prices in the UK
Understand the convenience premium, compare nearby alternatives and decide when leaving the motorway is worthwhile.
Supermarket fuel vs branded fuel
Separate fuel standards from additive claims, then compare the actual price and route.
How Route & Fuel calculates savings
See the inputs, formula and limits behind the app’s calculated saving and assumptions.