Petrol and diesel fuel costs have increased in recent months (Image: Getty)
and prices have crept up for the third successive month with road users to use the roads.
New analysis from found petrol costs averaged 136.9p per litre at the end of December.
Meanwhile, diesel fees are up by two-thirds of a pence (0.67p) in December you reach 142.9p per litre.
Back in October, diesel fees were just 139.5p per litre showing off a slight but noticeable increase.
Despite the rise, the RAC accepts fuel costs are still with similar prices last recorded back in 2019.
Diesel prices are up by 3p per litre since October (Image: Getty)
RAC head of policy Simon Williams stressed costs had dropped by up to 16p per litre since the Spring.
He said: “Even though fuel prices have crept up slightly over the last three months, 2024 was a better year at the pumps, with prices coming down by 14p for petrol and 16p for diesel from the high points seen at the end of April.
“Looking back, it’s quite clear that 2024 was a year of two halves for fuel, with the second proving far better as the lower cost of oil translated to cheaper prices on the forecourt.”
According to the RAC, unleaded petrol has now been just over the 136p mark since late November compared to 150p per litre in April.
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It means road users were saving around £7.70 to fill up a 55-litre family car fuel tank.
Diesel is now around 16p cheaper than the highs of 158.7p recorded at the end of April.
It means motorists regularly filling up their vehicles are saving £8.80 off a complete 55-litre fill-up.
However, the RAC warned motorists with experts claiming that retailer margins are stll believed to be a cause for concern.
Simon Willians added: “Unfortunately, RAC Fuel Watch data shows average retailer margins are still well above the long-term figures.
“This is something the Competition and Markets Authority acknowledged in its November interim report, adding that it remains concerned about the lack of competition between retailers.”