Engine condition (leaks, noises, smoke)
Transmission operation
Cooling system
Belts, hoses, fluids
Battery and charging system
Brake pads, rotors, calipers
Suspension components (shocks, struts, bushings)
Steering system
Wheel bearings
Accident or frame damage
Rust or corrosion
Paint inconsistencies (signs of repair)
Glass, lights, mirrors
Dashboard warning lights
HVAC (AC & heater)
Infotainment system
Power windows, locks, seats
Airbags (status & recalls)
Tire tread depth and wear pattern
Wheel condition
Alignment indicators
Acceleration and braking
Transmission shifting
Steering feel
Unusual noises or vibrations