Most people don’t usually start car shopping with an exact number. Instead, they start with a general range. Then, as they look around, that range starts to shift.
That’s when the popular question comes up: How much car can I afford?
Having a number in mind early on makes the whole process feel a lot more manageable. It gives you a lane to stay in, so you’re not bouncing between options that don’t line up with your budget.
Figuring out how much car you can afford can help connect the dots between your income, expenses, and loan details, so you’re working with a range that reflects your actual budget.
In this guide, we’ll walk through how to figure out that number, what to factor in beyond the sticker price, and how to land on a number that works for your day-to-day.
A monthly payment is the first number people look at when car shopping, and it makes sense. It’s something to compare against, and it tells you what you’ll owe each month.
But it doesn’t always tell the whole story.
A lower payment can look appealing, but it might come at the cost of stretching the loan over a longer period. More time means more interest, which can increase the total amount you pay over the life of the loan (even if the monthly number feels comfortable!).
It’s also possible for two cars to have similar monthly payments but different total costs, depending on the price, interest rate, and loan term behind them.
Looking at the bigger picture, like price, interest rate, loan term, and total cost over time, gives you a better answer to “How much car can I afford?”
Figuring out your number doesn’t have to be complicated. Here’s how you can get started.
Focus on what hits your bank account each month, rather than your salary before taxes. This is the number your car payment (and everything else!) will come out of.
If your income varies, look at an average over the past few months to get a realistic baseline. The goal here is to land on a number that reflects your everyday cash flow.
Think through your typical monthly costs: housing, utilities, groceries, subscriptions, and any existing debt. These are the non-negotiables that take up space in your budget.
After subtracting those, you’ll have a picture of what’s left. That remaining amount is what your car-related costs need to fit within, without making things too tight.
The payment is only part of it. It also helps to account for:
— Insurance
— Gas
— Maintenance
— Registration and fees
Even if these numbers are estimates, including them now helps you avoid surprises later. For example, insurance can vary widely depending on the car you choose, and maintenance costs can differ between new and used vehicles.
Once you have your numbers, you can calculate a range that works for your day-to-day life.
This gives you flexibility, as it leaves room for unexpected expenses and makes your car payment manageable month after month.
A great way to think about car affordability is the 20/4/10 rule. It’s a guideline that helps you set boundaries before you shop, so you don’t end up accidentally stretching your budget. Here’s how it works.
Putting money down upfront lowers how much you need to finance. It can also lower your monthly payment and the total interest you pay over time. Even if 20% isn’t realistic, getting as close as you can is worth trying.
Shorter loan terms can mean higher monthly payments, but less interest overall. Longer terms can lower the monthly payment, but increase the total cost of the car. Keeping the loan around four years strikes a balance.
This includes your car payment and related costs. Staying around this range keeps your car from taking up too much of your budget.
The 20/4/10 rule isn’t something you have to follow exactly, but it gives you a helpful starting point. It’s especially useful when you’re trying to answer “How much car can I afford?” without overcomplicating things.
Even with a budget in mind, plenty of people end up spending more than planned. These common habits can slowly push the total cost higher (much to your surprise!).
Monthly payments are helpful, but they don’t show all of the essential details. Stretching a loan over more years can lower the payment while increasing the total cost. Two options might look similar month to month but end up costing different amounts over time.
Going into the process without a solid number makes it easier to adjust on the fly. That usually leads to spending based on what’s available instead of what fits your finances.
Approval amounts can be higher than what’s smart month to month. Just because you qualify for a certain number doesn’t always mean it fits your overall budget.
Interest adds up over time, especially with longer loan terms. Looking at the full cost (not just the sticker price or monthly payment) gives a clearer answer to “How much car can I afford?”
Walking into a dealership without pre-approval can make it tougher to compare financing options. Having that piece in place keeps the focus on what works for you.
Now that you’ve got a better sense of your budget, the next step is putting it into action. You can focus on the options that fit and skip the ones that don’t.
This is where financing plays a big role. Our auto loans are built to keep things straightforward, whether you’re buying new or used.
And here’s an easy win: when you’re at the dealership, mention you want your loan to close with Red Rocks Credit Union during your purchase. That’s it. You’ll earn $100* for doing something that was already on your to-do list.
If you want a second opinion on your numbers or help getting started, reach out anytime. We’re here to make the process easy for you!
*Terms and conditions apply. Membership eligibility required. Incentive will be paid within 30 days of car purchase. Contact credit union for complete details.