Two old cars for 350€ a year: a forum user’s thesis

Owning two old cars costs 350€ a year and multiplies utility

A premium car from twenty years ago, dented everywhere, with less than 100,000 kilometers and an acquisition price of zero euros. This is the starting point of 'bicochismo': keeping a devalued second vehicle for uses the main car does not cover well —long trips, transporting bulky items, entering restricted zones— and splitting mileage between the two. The declared cost of the setup is around 350€ annually: 250€ for third-party insurance, 50€ for oil changed at home, and the rest between circulation tax and vehicle inspection.

The premise is simple. If a single car must serve everything, one ends up buying an all-purpose car that does not exist: too large for the city, too thirsty for the highway. Splitting 12,000 kilometers per year —9,000 with the gasoline car, 3,000 with the diesel— extends the life of both and adds a reliability policy: if one fails, the other remains.

The calculation: why an extra liter costs 300€ a year

The economic argument relies on the consumption differential. A five-cylinder automatic sedan consumes between 8 and 9 liters per 100 kilometers, compared to 5 for a four-cylinder manual diesel. Each additional liter per 100 kilometers translates, according to the owner's calculation, into 300€ per year with that mileage. If the second car is only used for what it offers an advantage, the math works.

Utility is distributed across scenarios: to carry two two-meter mattresses, use the estate; for a night alucinación, use the premium with better headlights; in cold weather, use the one with four-season tires; in rain, use the one with better wet grip; to enter Madrid, use the one with the B label. Some add a recreational component, the pleasure of alternating steering wheels and not wearing out a single vehicle.

Is an SUV as a single car or two specialized vehicles better?

Here the diagnosis is blunt. A true SUV —chassis and reducer— used for everything is, it is argued, a technical aberration: going to the supermarket in a Land Cruiser because it is needed for the countryside means dragging weight, consumption, and handling without necessity. The logical alternative is two: the SUV for its purpose and a sedan for the tarmac. The same applies to those who enter the city daily with a large SUV or cross Europe in a small utility car.

Keeping the second-line car that was once an estate is, in this logic, a value in itself: its history and maintenance are known, something that does not happen with a used car bought from third parties. 'Old cars' are discarded out of negligence or boredom, not because they are worn out.

The fine print: the 0€ car that demands 600€ for an airbag

Skepticism arrives quickly. The central objection is not utility, but arithmetic: the premise that having another car costs only 350€ more per year does not hold in the medium term, and in many cases not even in the short term. Maintenance doubles and things break in both vehicles. Each breakdown is a bill that a single car would not have incurred.

The own story confirms this. The gifted premium cost 1,200€ to bring it up to date —a broken shock tower and the change of fluid in an automatic transmission that had not been touched for 18 years—. Later, the airbag pilot requires a repair of 600€ in a car that, on paper, is worth nothing. With the inspection expired, the vehicle is immobilized and the owner becomes dependent on the other. Resilience works, but it is paid for.

There is another underlying criticism: the mere passage of time degrades seals, plastics, coolant, and tires even if the car drives little. Wear is not measured only in kilometers. And some place any used or old vehicle at 500-600€ per year minimum between insurance, taxes, maintenance, and breakdowns.

The real case that fits best: 2,800€ for a Fiesta and seven years of use

Against theory is the accounting of those who have lived it. A 2004 Ford Fiesta bought in 2015 with 140,000 kilometers for 2,800€ has reached 207,000. It consumes 4.3 liters per 100 and exceeds 800 kilometers of autonomy. In seven years, it has incurred two breakdowns: 425€ for injection and 375€ for transmission and seals.

The owner's calculation, assuming the car is driven into a ditch, comes to 514€ per year; with a residual value of 1,000€, it drops to 371€. This demonstrates that the second old car rarely comes for free, but it does not ruin either: the trick is the split kilometer.

From car to motorcycle: the tandem expands

The logic is not limited to four wheels. A 125cc scooter that consumes 2.5 liters per 100 kilometers is presented as the perfect partner for the car: it covers daily commutes for very little and leaves the large vehicle for what really matters. Moving to a 400cc increases the cost and consumes around 4 liters, although it gains in comfort and load capacity. Some also add a van or a third armored vehicle because they feel like it.

The pattern repeats in other domestic spheres: double possession applied to dishwashers has its own efficiency logic. But with cars, the knot is always the same: utility and versatility are real; fixed cost is low; and unexpected expense is the variable that drives everything.

The car that was supposed to demonstrate savings ended up immobilized by an airbag breakdown, and its owner, stranded, resolved by the other. The second car functioned just when the first failed.

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Analysis elaborated from the debate 'advantages of having 2 cars'.