How to Test Drive a Car: A 30-Minute Plan

A test drive has two jobs. For any car, it answers "can I live with this every day?" For a used car, it also answers "is something wrong with this one?" Both need more than a loop around the block with the salesperson talking. Ask for 30 minutes, plan the route yourself, and follow the same order every time so you can compare cars fairly.

Set it up

Book an appointment and be specific. A message you can copy:

"I'd like to test drive the [year, model, trim], stock number [number], on [day] at [time]. I'll need about 30 minutes and would like to include some highway driving. For a used car: please don't start or warm it up before I arrive. I'm not buying that day."

Bring:

• Your driver's license and proof of insurance. Dealers commonly ask for both.
• Anyone who will drive or ride in the car regularly.
• The things the car has to fit: child seats, a stroller, golf clubs, the dog crate, your tallest family member.
• Your phone and charging cable.
• A note of the exact trim you intend to buy. Driving a top trim tells you little about the base engine, seats or wheels. See how to choose a trim level.

Try to drive your shortlisted cars on the same day, over the same route. Memory is a poor measuring tool.

The 30-minute plan

Minutes 0 to 10: before you move

• Get in and out a few times, front and back. Is the door opening awkward? Do you hit your head?
• Set the seat, wheel and mirrors. Can you get properly comfortable, with thigh support and a clear view of the gauges?
• Check visibility: front pillars, over the shoulder, out the back window.
• Sit behind your own driving position. Is there knee room?
• Fit the child seat. Find the anchors and see how hard they are to reach.
• Load the cargo you brought. Fold the seats. Check the lift-over height.
• Pair your phone. Try a call, navigation and music. Is the screen quick or laggy?
• Operate the climate controls and wipers without looking. Buttons or buried menus?
• Find the USB ports, cupholders and a place for your phone.

This is where most long-term annoyances are found, and it costs no fuel.

Minutes 10 to 15: low speed

• Pull away gently. Is the throttle smooth or jumpy?
• Turn the wheel lock to lock. Is steering light enough, with no groans or clunks?
• Make a U-turn. How tight is the turning circle?
• Reverse into a space using the camera and sensors, then again using only mirrors.
• Brake gently several times. The pedal should feel firm and consistent.
• In a hybrid or EV, feel the transition between regenerative and friction braking, and try the one-pedal mode if it has one.

Minutes 15 to 20: rough road

Turn the audio off and close the windows.

• Does the car absorb bumps or crash over them? Bigger wheels on higher trims often ride harder.
• Listen for rattles from the dashboard, doors and cargo area.
• Drive over a speed bump at an angle. Clunks or creaks from the suspension are worth noting on any car and are a fault on a used one.

Minutes 20 to 27: highway

• Accelerate briskly up the on-ramp to merge. Is there enough power with your usual load of passengers?
• At a steady cruise, judge wind, tire and engine noise. Can you talk normally?
• On a straight, level stretch, relax your grip briefly. The car should track straight.
• Any vibration through the wheel or seat at speed?
• Change lanes. Check the blind spots and the blind-spot warning.
• Try adaptive cruise and lane-keeping if fitted. Do you find them helpful or irritating? You will live with that behavior.
• Pass someone. Does the transmission kick down promptly?

Minutes 27 to 30: hill, stop and park

• Climb a hill or accelerate from a stop on an incline. Any hesitation or slipping?
• On a clear, empty stretch, brake firmly from moderate speed. The car should stop straight with no pulsing or pulling.
• Park, leave it idling, and walk around it. Look and listen.

Extra checks for a used car

Do the walk-around in the used car inspection checklist first, then add these to the drive:

• Cold start. Feel the hood before starting; it should be cool. The engine should fire promptly and settle to a smooth idle.
• Warning lights. All should light at key-on and go out once running.
• Exhaust. A brief puff of vapor on a cold day is normal. Persistent blue or white smoke is not.
• Transmission. Shifts should be smooth both up and down, with no flare in revs, harsh bangs or delay going into drive or reverse.
• Steering wheel. Centered when driving straight. Off-center suggests alignment or past damage.
• Brakes. No grinding, squeal, pulsing pedal or pull to one side.
• Noises. A hum that changes with speed, a click on tight turns, a clunk over bumps. Note when each occurs.
• Temperature gauge. Rises to the middle and stays there, including while idling at the end.
• Air conditioning and heat. Both, at full and low fan.
• After the drive. Look under the car for fresh drips and sniff for burning oil or coolant.

A good test drive does not replace a mechanic. If the car still appeals, the next step is a pre-purchase inspection.

Extra checks for a new car

• Confirm the car you drove has the same engine, wheels and seats as the one you would buy.
• If you will take a different car from stock, inspect that exact vehicle at delivery: paint, glass, wheels, mileage on the odometer.
• Ask which features need a paid subscription after a trial period.
• For an EV, ask to see the charging port and cable, and check the estimated range shown at the current charge. See EV range and charging basics.

Questions to ask afterward

Any car

• "Can you email me the out-the-door price for this exact vehicle?"
• "Which accessories or add-ons are already installed on it, and what do they cost?"
• "Is this one available now, or is there a deposit or wait?"

Used car

• "Do you have the service records and the history report?"
• "What reconditioning did you do when it came in?"
• "How many keys come with it?"
• "Can I take it to my mechanic for an inspection?"

After the drive

Before you talk to anyone, sit in your own car for five minutes and write down three things you liked, three you did not, and anything that felt wrong. Score seat comfort, visibility, noise, ride and power out of five so you can compare cars later.

Then leave. It is normal to be asked to "sit down and run some numbers." A polite reply:

"Thanks, I enjoyed it. I'm driving two other cars before I decide. Please email me your out-the-door price and I'll be in touch."

Pricing is better handled in writing, where you can compare offers calmly: see how to negotiate car price by email and out-the-door price.