Excess Mileage

Every lease and PCP contract sets an annual mileage cap -- commonly between 5,000 and 25,000 miles a year -- because the funder has priced the car's residual value around an expected total mileage at hand-back. Drive further than that and you have used up value the funder hasn't been paid for. The excess mileage clause recovers that shortfall as a pence-per-mile (ppm) surcharge on every mile above the cap.

What it means

Excess mileage is the contractual rate, expressed in pence per mile (or pence per kilometre on some European agreements), charged when the odometer reading at return exceeds the total miles allowed under the agreement. Total miles allowed is the annual allowance multiplied by the contract length -- so a three-year contract at 10,000 miles a year allows 30,000 miles in total. The ppm rate is disclosed in the lease agreement itself, usually in the same schedule that shows the monthly rental and contracted mileage. Rates vary considerably by funder and by vehicle value: small volume cars can be as low as around 3-6p per mile, mainstream family cars often sit in the 6-15p range, and premium or luxury marques on manufacturer finance can reach 20-30p per mile or more. There is no industry-wide cap -- the BVRLA does not set the rate, only the fair wear and tear standards that sit alongside it.

Why it matters

• It's a pure arithmetic recharge: Unlike fair wear and tear -- which is subjective and negotiable -- excess mileage is calculated straight from the odometer. Miles over allowance multiplied by the contract ppm rate. There is nothing to dispute once the rate and the return mileage are confirmed.
• It stacks on top of damage charges: A car returned 8,000 miles over allowance at 15p per mile carries a £1,200 excess mileage bill before any fair wear and tear devaluation for chips, dents or interior wear is added.
• Premium cars bite hardest: BMW Financial Services, Volkswagen Financial Services, Mercedes-Benz Finance and similar captive lenders typically quote higher ppm rates than volume leasing companies, and they apply them to cars that were already driven harder and more miles.
• Early warning matters: Most funders let you revise the annual allowance mid-contract (for a higher monthly rental) at a lower cost than paying the excess at the end -- but only if you flag it before you're already over.

Working out your exposure

The maths is simple enough to do on the back of a fuel receipt, and worth doing well before the contract ends. Take your contracted annual allowance, multiply by the number of years on the agreement, and that is your total mileage budget. A three-year contract at 8,000 miles a year gives you 24,000 miles to play with. Now divide that budget by the number of months you have had the car and compare it to your actual odometer reading: that tells you whether you are running ahead or behind pace.

Say you are eighteen months into that 24,000-mile contract. Half the term has gone, so you should be around 12,000 miles if you want to land on target. If the odometer reads 16,000, you are 4,000 miles ahead of pace; project that forward and you will hand back at roughly 32,000 miles, or 8,000 over. At 15p per mile that is a £1,200 bill waiting at the end. Catching it at the halfway point gives you eighteen months to either ease off the driving or arrange a higher allowance, both of which cost less than the surcharge.

What drives the pence-per-mile rate

The ppm figure is not plucked from the air; it tracks how quickly a given car loses value per mile. Three things push it up. The first is the car's value: a £60,000 executive saloon depreciates more in absolute pounds over a given distance than a £15,000 hatchback, so its excess rate is higher. The second is desirability on the used market; a model that holds its value well can carry a gentler rate because the funder recovers more at auction. The third is the funder itself. Captive manufacturer lenders such as BMW Financial Services or Mercedes-Benz Finance tend to set firmer rates than independent leasing brokers competing for volume business, and they apply VAT on top where the agreement is a contract-hire product. Always read the rate as ex-VAT or inc-VAT before you budget for it.

Paying upfront for more miles

If you already know you drive a lot, the cheapest mileage is the mileage you buy at the start. Adding an extra 5,000 miles a year to the contract raises the monthly rental, but the per-mile cost of that pre-agreed mileage is almost always lower than the excess rate you would pay for the same distance at the end. The reason is that the funder prices a known, planned mileage into the residual confidently, whereas the end-of-contract surcharge has to cover the uncertainty and the cost of an unexpectedly hammered car.

The trap is over-buying. If you load the contract with miles you never use, you have simply paid for headroom you did not need, and -- as covered below -- you will not get that money back. The honest approach is to look at your real annual driving from the last two or three years, add a modest buffer for the unexpected, and set the allowance there. Revising mid-contract is also an option with most funders, and it is still cheaper than the excess rate as long as you do it before you are already over the line.

The under-mileage myth

Drivers often assume the mileage cap works both ways: drive less and you should get something back. In nearly all UK leasing and PCP agreements you do not. The allowance is a ceiling, not a two-way meter. Hand back a 30,000-mile contract at 22,000 miles and the 8,000 unused miles simply vanish; there is no refund, no credit, and they do not roll into a subsequent deal with the same funder. A small number of contracts include a clause that refunds a fraction of unused mileage, but they are the exception and the per-mile refund rate, where it exists, is far lower than the excess charge. Treat any unused allowance as money already spent.

Managing mileage during the lease

The practical defence against an excess bill is a quarterly glance at the odometer rather than a panic in the final month. Note the reading every few months against your projected pace; the moment you see yourself drifting consistently ahead, you have real choices while they are still cheap. You can plan longer journeys in a second household car, revise the allowance with the funder, or in some cases swap into a new agreement early. Leave it until the last quarter and all the affordable levers have gone; the only thing left is to pay the surcharge as it falls.

Where you will see it

You'll see the term on the lease agreement schedule ("contracted mileage" plus "excess mileage rate"), on the end-of-contract return pack, on the inspection report and on the final invoice. Typical wording includes "excess mileage charge -- 12.5p per mile over contract", "returned at 42,318 miles, contracted 30,000, 12,318 miles excess" or "mileage recharge applied in accordance with agreement clause X.Y". On the invoice it usually appears as a separate line from any fair wear and tear charges.

Context

Excess mileage sits alongside fair wear and tear as the two main financial hits at the end of a lease. Fair wear and tear is assessed against BVRLA standards at the lease return inspection and is open to challenge. Excess mileage is pure contract maths and isn't. Both are then presented as a recharge on your final statement. There is a connection between the two that catches people out: a high-mileage car has usually also picked up more stone chips, more interior wear and more tired paint than a low-mileage one, so the driver facing a big excess mileage bill is frequently the same driver facing the heaviest fair wear and tear assessment. We see exactly that pattern in the workshop. The cars that come to us for end-of-lease tidying with 40,000-plus miles on a three-year contract almost always need the most attention to the front bumper, the leading edge of the bonnet and the driver's seat bolster, because high miles and motorway driving go together. The excess mileage itself we can do nothing about; it is fixed contract maths. But the wear-and-tear side that rides alongside it -- chips, scuffs, a tired-looking cabin -- is exactly what a smart repair and a thorough valet can bring back under the BVRLA threshold before the inspector arrives.

Common mistakes

• Assuming the excess mileage rate is negotiable at hand-back -- it isn't; it was set when you signed the agreement.
• Ignoring the monthly mileage pace until the last few months of the contract, by which point a revised allowance costs more than simply paying the excess.
• Confusing excess mileage charges with fair wear and tear charges and trying to dispute both under BVRLA standards -- only the wear and tear side is assessed against BVRLA guidelines.
• Expecting under-mileage miles to offset over-mileage in a subsequent contract; UK leasing agreements rarely carry miles over between deals.

Authored by Danny Argent. Reviewed by Gary Wray. Last updated 10 June 2026.