305/30R21 tires
The size 305/30R21 means a tire 305 mm wide, with a sidewall 30% as tall as it is wide (about 92 mm), built for 21-inch wheels. Its overall diameter is about 716 mm (28.2 in). We have 5 305/30R21 tires in stock from 6 models, starting at $382.00 per tire.
5 tires in stock in 305/30R21
$382.00In stock
$575.00In stock
$692.00In stock
$707.00Only 2 left
$878.00In stock
1 more models currently out of stock
Sizes close to 305/30R21
- 265/35R21 719 mm
- 255/35R21 712 mm
- 295/30R21 710 mm
- 315/30R21 722 mm
- 275/35R21 726 mm
- 245/35R21 705 mm
- 325/30R21 728 mm
- 285/30R21 704 mm
Within 3% overall diameter on the same rim. Only change size with a professional’s advice; load index and clearance must still match.
Questions about the 305/30R21
What does the tire size 305/30R21 mean?
The size 305/30R21 means a tire 305 mm wide, with a sidewall 30% as tall as it is wide (about 92 mm), built for 21-inch wheels.
What is the cheapest 305/30R21 tire in stock?
Right now the lowest-priced 305/30R21 tire in stock is the Hankook IW01 at $382.00 per tire. We have 5 305/30R21 tires in stock in total.
Can I use a different size instead of 305/30R21?
Only with professional advice. A replacement size must keep the overall diameter within about 3%, fit your wheel and suspension, and meet or exceed your vehicle’s load index and speed rating.