Altima vs Sonata: The Sonata Wins by $659 Over 5 Years

Our calculator puts the five-year cost of a 2020 Nissan Altima at $25,901, or $432 a month. The 2020 Hyundai Sonata comes in at $25,242, or $421 a month. That is $659 less for the Sonata.

The Sonata wins, and it does so even though it costs more to buy: $11,800 against $11,100 for the Altima, both our estimates for this model year. The Sonata makes up the $700 sticker gap by spending less on fuel, repairs, and maintenance. Insurance is the only category where it loses.

The Sonata's higher price tag does not last

A $700 head start sounds like a lot. It is not, because the Altima gives it back quickly and then keeps going.

Depreciation, the value a car loses while you own it, is almost a tie. The Altima loses $3,129 over five years and the Sonata loses $3,100. That is a $29 difference, which is noise. Neither car is saving you money by holding its value better.

The real gap is in the running costs. Over five years the Altima costs $300 more in fuel, $173 more in repairs, and $264 more in maintenance. Add those up and you get $737 of extra spending on the Altima. Insurance claws back $107 in the Altima's favor, which is how you land at $659.

So the story is not one big thing. It is three small things all pointing the same direction. Nobody should pick the Sonata because of one line item. They should pick it because it is a little cheaper almost everywhere you spend money after the purchase.

Registration is identical at $255 for both.

Year by year: the Altima never catches up

Here are the yearly totals from our calculator.

The Altima: $4,759, $4,972, $5,854, $5,360, $4,956.

The Sonata: $4,663, $4,854, $5,670, $5,212, $4,843.

The Sonata is cheaper in every single year. There is no crossover point where the Altima pulls ahead. The gap is $96 in year one, $118 in year two, $184 in year three, $148 in year four, and $113 in year five.

Year three is the one to watch for both cars. Our maintenance figures jump to $1,458 for the Altima and $1,350 for the Sonata that year. That is where the big scheduled work tends to land at this mileage: things like tires, brakes, and fluid services. Budget for it. If you buy either car and spend $5,800 or so in year three, that is normal, not a sign something is wrong.

The Altima's year-three spike is also where the gap between the cars is widest, at $184.

After year three, both cars calm down. Maintenance drops to $880 and $815 in year four, then to $324 and $300 in year five. But repairs go the other way.

Repairs climb on both cars, faster on the Altima

Unscheduled repairs are the part of ownership that wrecks a monthly budget. Our calculator has the Altima's repair costs rising from $300 in year one to $850 in year five. The Sonata goes from $281 to $796.

That is a steady climb for both. Neither car is a time bomb, but neither stays cheap to fix as it ages. Over five years the Altima totals $2,700 in repairs and the Sonata totals $2,527.

For outside context, check RepairPal, which publishes reliability ratings and average annual repair costs for each model. Look up both cars there and read the numbers on how often owners end up in the shop for unplanned work, and how severe those visits tend to be. Our figures are a model, not a promise about any single car. RepairPal data helps you see how each model has behaved across many owners.

Our read: the Altima is the one more likely to hand you a bigger bill. The gap is $173 over five years, which is not dramatic. But when two cars are this close, the one with the higher repair line in every year is the one I would worry about. The Altima's year-five repair estimate of $850 is also the single highest repair number for either car.

The Altima's CVT (a type of automatic transmission with no fixed gears) is the part many used buyers worry about on Nissans from this period. Have any used Altima inspected by an independent mechanic before you buy, and ask for service records. A Sonata deserves an inspection too, but that one question is less urgent.

Fuel: about $5 a month, and it adds up

Our calculator has the Altima at $155 a month for fuel, averaged over five years. The Sonata is $150. The difference is $5 a month.

That sounds like nothing. Over five years it is $300, and it is the biggest single reason the Sonata comes out ahead. The Altima's fuel costs run from $1,788 in year one to $1,935 in year five. The Sonata's run from $1,730 to $1,873. The Sonata is cheaper to fuel every year.

If you want the official MPG ratings, look up the 2020 Nissan Altima and the 2020 Hyundai Sonata on fueleconomy.gov. Pick the exact engine and trim, because ratings differ between versions of the same car. Our dollar figures are what matter for your budget. They already assume typical driving.

Insurance is the Altima's one win

Insurance is the only category where the Altima is cheaper. Our estimate is $6,949 over five years for the Altima and $7,056 for the Sonata. That is $107 in the Altima's favor.

Treat that number carefully. These are our estimates based on the car's value and class, not quotes. Your own premium depends on your age, ZIP code, driving record, and insurer, and it could easily flip the order. Get real quotes for both cars on the specific VINs you are considering before you decide. A $107 gap over five years is smaller than the variation you will see between two insurers.

Who should buy the Altima

Buy the Altima if the lower price is what makes the purchase possible. At $11,100 it asks for $700 less up front, and if your budget is tight on the day you sign, that matters more than a $659 saving spread over five years.

It also suits someone who finds a clean, well-documented example, with service records and a clear transmission history, and who gets a noticeably lower insurance quote. If your quote for the Altima beats the Sonata by a few hundred dollars a year, the cost gap shrinks fast.

Be honest with yourself, though. You are picking the car that costs more to run in most categories.

Who should buy the Sonata

Buy the Sonata if you plan to keep the car for the full five years and want the lowest total cost. It is cheaper in every year of our model, cheaper on fuel, cheaper on repairs, and cheaper on maintenance.

It is also the better pick for anyone who hates surprise bills. Its repair costs are lower at every point, and its year-five repair estimate of $796 stays below the Altima's $850. If you can afford the extra $700 up front, the numbers say it pays for itself and then some.

The Sonata is the better buy. The Altima's only real argument is the lower price on day one, and our calculator shows that edge does not survive five years of ownership.