Pneumatic tire

A pneumatic tire having a tread portion, wherein

• at least one of the rubber layers forming the tread portion contains a rubber component containing isoprene-based rubber, styrene-butadiene rubber and butadiene rubber, and more than 10 parts by mass and 25 parts by mass or less of carbon black with respect to 100 parts by mass of the rubber component;
• when the cross-sectional width of the tire is Wt (mm), the outer diameter is Dt (mm), and the volume of the space occupied by the tire is the virtual volume V (mm3), and when the tire is installed on a standardized rim and the internal pressure is 250 kPa, the tire satisfies (formula 1), (formula 3) and (formula 4):
• 1700≤(Dt2 ×π/4)/Wt≤2827.4 (formula 1)
• [(V+2.0×107)/Wt]≤2.44×105 (formula 3)
• [(V+2.5×107)/Wt]≤2.88×105 (formula 4);
• the cross-sectional width Wt (mm) is 176 mm or more;
• and
• when the cross-sectional height of the tire is Ht (mm), when the tire is installed on a standardized rim and the internal pressure is 250 kPa, (Dt−2×Ht) is 470 (mm) or more;
• and
• wherein the aspect ratio is 50% or more.