What is the 20 rule for buying a car?

Asked by: Prof. Elenora Swift DVM  |  Last update: December 28, 2025
Score: 4.2/5 (22 votes)

The main goal is to determine the down payment, monthly car payments time frames, and transportation costs to optimize them. The rule recommends making a 20% down payment on the car, taking four years to return the money to the lender, and keeping transportation costs at no more than 10% of your monthly income.

What is the 20% rule when buying a car?

20% down — be able to pay 20% or more of the total purchase price up front. 4-year loan — be able to pay off the balance in 48 months or fewer. 10% of your income — your total monthly auto costs (including insurance, gas, maintenance, and car payments) should be 10% or less of your monthly income.

Can I afford a 40k car if I make 60k a year?

A person making $60,000 per year can afford about a $40,000 car based on calculating 15% of their monthly take-home pay and a 20% down payment on the car of $7,900. However, every person's finances are different and you might find that a car payment of approximately $600 per month is not affordable for you.

What is the 50/30/20 rule for car payments?

Set your car payment budget

50% for needs such as housing, food and transportation — which, in this case, is your monthly car payment and related auto expenses. 30% for wants such as entertainment, travel and other nonessential items. 20% for savings, paying off credit cards and meeting long-range financial goals.

How much can you afford the 20/10 rule?

The 20/10 rule is a financial strategy to help you avoid dangerous levels of debt. Simply put, the 20/10 rule advises that you should avoid accumulating long-term debt that exceeds 20% of your annual income, and you should avoid debt payments of more than 10% of your monthly income.

How to Buy a Car the RIGHT Way! (20/3/8 Rule)

18 related questions found

What's a good down payment on a 30k car?

It's good practice to make a down payment of at least 20% on a new car (10% for used). A larger down payment can also help you nab a better interest rate. But how much a down payment should be for a car isn't black and white. If you can't afford 10% or 20%, the best down payment is the one you can afford.

What does the 20 10 rule not apply to?

The 20/10 rule excludes debts like mortgages or rent, focusing only on consumer debt like credit cards and personal loans. This limits its effectiveness for those with diverse debts, such as student loans and car payments.

What is the car finance golden rule?

The 20/4/10 Rule

This rule recommends making a downpayment of no more than 20% of the vehicle's cost, not taking a loan with a longer term than four years, and not allowing the monthly payment to exceed 10% of gross monthly income, said Peter C.

What is a good car payment per month?

A good rule of thumb is to spend no more than 10% of your take-home pay on a car loan payment when possible.

What is the Ford rule of 10?

20/4/10 Rule: This rule suggests leaving a 20% down payment, limiting your loan term to four years or less, and ensuring your car payments take up no more than ten percent of your income.

What car can I afford with a 30k salary in the UK?

£30,000 per year

Upping the budget naturally opens up your options on the car front too – family SUVs like the Nissan Qashqai and Kia Sportage fall into this price bracket, while electric vehicles such as the MG 4 are now available for around £250 per month, too.

How much is too much for a car?

To get an idea of how much car you can afford, a good rule of thumb is to pay no more than 35% of your annual pre-tax income. So, if you make $50,000 before taxes per year, your car purchase price should not exceed $17,500.

What are 5 questions you should ask the dealer before you buy a car?

Just the List for the TLDR Crowd:
  • When may I test drive the car, preferably by myself?
  • May I have my mechanic inspect the car?
  • May I see a CURRENT car history report, such as Carfax? ...
  • Has a qualified mechanic inspected the car, and may I see that report?

What is the 20 8 3 car buying rule?

The 20/3/8 car buying rule says you should put 20% down, pay off your car loan in three years (36 months), and spend no more than 8% of your pretax income on car payments. As we go into depth to determine how realistic this rule is, you may consider whether it can actually help you budget for your next car.

What is the 10 second rule cars?

To give yourself time to react, avoid last minute moves and hazards, always keep your eyes moving and scan the road at least 10 seconds ahead of your vehicle.

Is 500 a month too much for a car payment?

It depends on how much income you have after your bills and expenses. But as a rule of thumb, your car payment should not exceed 15% of your post-tax monthly pay. For example, if after taxes, you make the U.S. median income of $37,773, you could shop for a car that costs up to $472 per month.

Is having no debt good?

There's no doubt that not having any debt can give you a certain sense of freedom. When you don't owe anything to anybody, the money you have is yours to do with as you wish—a great retirement dream scenario.

Can you finance a 10 year old car?

Many 'reputable' financial institutions will not finance car loans for vehicles older than 10 years.

What is the 20 4 10 rule of car buying?

To apply this rule of thumb, budget for the following: 20% down payment: Aim to make a 20% down payment on your new car. 4-year repayment term: Choose a repayment term of four years or less on your auto loan. 10% transportation costs: Spend less than 10% of your total monthly income on transportation costs.

What is the rule of 69 in finance?

The Rule of 69 is a simple calculation to estimate the time needed for an investment to double if you know the interest rate and if the interest is compounded. For example, if a real estate investor earns twenty percent on an investment, they divide 69 by the 20 percent return and add 0.35 to the result.

What is the money guy rule for buying a car?

The 20/3/8 rule stands for:

20% down. Finance no longer than 3 years. Total car payment is no more than 8% of gross income.

What is the 40 30 30 rule?

The most common way to use the 40-30-20-10 rule is to assign 40% of your income — after taxes — to necessities such as food and housing, 30% to discretionary spending, 20% to savings or paying off debt and 10% to charitable giving or meeting financial goals.

What is the 70 20 10 rule?

The 70-20-10 budget formula divides your after-tax income into three buckets: 70% for living expenses, 20% for savings and debt, and 10% for additional savings and donations. By allocating your available income into these three distinct categories, you can better manage your money on a daily basis.

What are the four C's of credit?

Character, capital, capacity, and collateral – purpose isn't tied entirely to any one of the four Cs of credit worthiness. If your business is lacking in one of the Cs, it doesn't mean it has a weak purpose, and vice versa.