How is the Deal Score calculated?

The AI estimates the vehicle's true market value for its year, condition and typical mileage, then scores your asking price against it — factoring reliability and projected ownership costs — into a 0-100 score and a BUY, NEGOTIATE or PASS verdict.

Can I analyze both new and used cars?

Yes. Enter any year, make, model and asking price, whether it's a new dealership listing or a used private-party car.

How accurate are the cost projections?

Estimates are AI-generated guidance built from typical maintenance schedules, depreciation patterns and regional cost averages. They inform your decision rather than replace a professional inspection.

Can I cancel my subscription anytime?

Yes — upgrade, downgrade or cancel in one click from your dashboard. Billing is prorated when you switch plans.

Dealer visit checklist

2018 Mazda Mazda3 checklist

Print it or keep it on your phone. Tick each item as you go so nothing gets missed.

This is a year to avoid

• 2.1x more owner complaints than nearby model years

Inspect the car

Check every panel gap and look for mismatched paint (signs of past accident repair)
Look at the tires: even wear, matching brands, at least 4/32" tread
Check under the car and engine bay for oil, coolant or other leaks
Start the engine cold; listen for knocks, ticks or squeals and watch for smoke
Test every window, lock, seat, light, the A/C, heat and infotainment
Test drive on city streets and highway: straight braking, smooth shifts, no pulling
Ask for the service records and a vehicle history report
Have an independent mechanic do a pre-purchase inspection (about $100–$200)

Known 2018 Mazda Mazda3 problems to check

Infotainment commander knob can feel unintuitive and the system lacks Android Auto/Apple CarPlay on lower trims without dealer update
Some owners report premature wear on front brake rotors, especially on the 2.5L Sport trim
Cabin wind noise at highway speeds has been noted on sedan body styles, often traced to door seal degradation
Automatic transmission models may exhibit occasional hesitation or hunting between gears, particularly on the 2.0L base engine
Rear visibility is limited on the sedan due to the sloping roofline, making parking sensor or camera upgrades worthwhile

Ask: have these recalls been fixed?

VISIBILITY:WINDSHIELD WIPER/WASHER: Mazda North American Operations (Mazda) is recalling certain 2016-2018 Mazda3 vehicles.
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM: Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3 vehicles, equipped with an incorrect exhaust valve spring.
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP: Mazda North American Operations (Mazda) is recalling certain 2018 Mazda3, Mazda6, 2019 CX-3, 2018-2019 MX-5, CX-5, CX-9, and 2019-2020 Mazda2 vehicles.
BACK OVER PREVENTION: SENSING SYSTEM: CAMERA: Mazda North American Operations (Mazda) is recalling certain 2014-2018 Mazda3 and 2016-2021 CX-3 vehicles.

Negotiate the price

Know the typical price: about $15,000 for this model year
Negotiate the out-the-door price, not the monthly payment
Get the full price with every fee listed in writing before you sign
Bring your own loan pre-approval so the dealer has a rate to beat
Say no to add-ons you didn't ask for (paint protection, VIN etching, nitrogen tires)
Negotiate your trade-in separately, after the car's price is agreed
Be ready to walk away; another listing is usually a click away

Out-the-door price calculator →2018 Mazda Mazda3 cost guide →2018 Mazda Mazda3 recalls →Check a specific listing's price →