Smoking’s bad news for your health… but did you know it’s terrible for your car too?
Light up in your vehicle and you could be diminishing its sell-on value by thousands of pounds.
We’ve put together the top six ways in which you’re ruining your chances of a fair return on your car in our latest car maintenance – read now, or don’t say you weren’t warned.
What is car depreciation?
Car depreciation refers to the loss of a vehicle's value over time due to various factors, such as age, wear and tear, mileage, impact of the driver, and changes in market demand.
In the majority of examples, as a vehicle gets older, it becomes less valuable and worth less than what it was initially purchased for.
Depreciation typically happens most rapidly within the first few years after purchasing a new car.
However, some cars retain their value better than others. Also, the more miles a car has, the less it's generally worth.
Smoking in your car
A car that has been smoked in on a regular basis can leave behind both a lingering smell and physical damage to the interior, making it difficult to trade in or sell privately.
Cigarette smoke becomes ingrained in the upholstery and trapped in the air conditioning system, which can be incredibly difficult to remove, requiring a professional valet and special equipment to clean.
In the most severe cases, the internal fabric and seat cloth may have to be stripped out too.
This process alone can cost hundreds of pounds.

Cheaper than AA Price Promise^
- Roadside cover from £5.29 a month*
- We get to most breakdowns in 60 mins or less
- Our patrols fix 4/5 breakdowns on the spot
*At least 10% of new customers pay this for single-vehicle Roadside (Basic). ^T&Cs apply.
Skipping regular maintenance
If you neglect your car, you can’t hide it forever.
Regular fluid, filter and belt changes make the engine run smoother, while washing it routinely prevents a build-up of rust.
Regular maintenance is a must, not only for safety and reliability while you’re driving the car but to increase its resale value in the future too.
If you fail to have your car serviced regularly, and never clean it, it will wear out faster.
You should also keep comprehensive records of the car’s service history, including oil and filter changes.
When you come to sell your car, this information helps to show that you’ve taken good care of it.
Written proof of maintenance work increases the value of any used vehicle.
Substandard part replacement
Some amateur mechanics have been known to try their hand at fixing their car themselves, using second-hand or cheaper non-genuine parts instead of brand new ones.
If you’ve ever repaired your car with used parts rather than the manufacturer’s originals, it could devalue its overall price and increase the bill for future repairs as they could wear out in half the time of genuine parts. If you need repairs, then why not consider using an RAC Mobile Mechanic, who will visit you and possibly save you time and money.
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- Pets and breakdowns – what you need to do
Painting it a garish colour
Surprisingly perhaps, a car’s colour can have a big impact on its resale value.
While that bright orange respray might have seemed like a good idea at the time (when you wanted to make a statement), you might end up regretting the decision when you try to sell it.
A flashy colour or one that was never on the model could put off potential buyers.
As a general rule of thumb, it’s best to stick with the original colour if you decide to repaint your vehicle.
Neutral colours such as silver, white or black tend to maintain their value best, while bold colours such as red, yellow and green might not be worth as much since there is a smaller pool of buyers looking for those hues.
Taking your dog out in the car
Like smoke, pet odours often linger and could give the impression to a buyer that you haven’t taken the best care of your vehicle.
If you’ve used the back seat for transporting pets, try to neutralise the smell and remove any visible pet hair.
If there are hairs ingrained in the nooks and crannies that you can’t get out, it’s likely to bring down the value of the vehicle.
That’s unless you can find a buyer that is also a dog owner who plans to use the back seat for their pet too.
Driving when you don’t have to
Do you pop down to the shops in your car when it’s only a 10-minute walk?
Drive to work every day when you could share a lift with a colleague?
Mileage affects resale value, so stop to think before using your car.
Do you really need it for that particular journey?
Walk, bike, take public transport or share rides whenever you can.

Cheaper than AA Price Promise^
- Roadside cover from £5.29 a month*
- We get to most breakdowns in 60 mins or less
- Our patrols fix 4/5 breakdowns on the spot
*At least 10% of new customers pay this for single-vehicle Roadside (Basic). ^T&Cs apply.
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