Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/30-21 | 355/30-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.26 (692.4) | 27.39 (695.6) | 0.13 (3.2) 0.5% |
| Width inches (mm) | 10.43 (265) | 13.98 (355) | 3.54 (90) 34% |
| Circum. inches (mm) | 85.64 (2175.24) | 86.04 (2185.29) | 0.4 (10.05) 0.5% |
| Sidewall Height inches (mm) | 3.13 (79.5) | 4.19 (106.5) | 1.06 (27) 34% |
| Revolutions per mile (km) | 739.85 (459.72) | 736.44 (457.6) | -3.4 (-2.11) -0.5% |
355/30-19 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.09 mph (32.34 km/h) |
| 25 mph (40.23 km/h) | 25.12 mph (40.42 km/h) |
| 30 mph (48.28 km/h) | 30.14 mph (48.5 km/h) |
| 35 mph (56.33 km/h) | 35.16 mph (56.59 km/h) |
| 40 mph (64.37 km/h) | 40.18 mph (64.67 km/h) |
| 45 mph (72.42 km/h) | 45.21 mph (72.76 km/h) |
| 50 mph (80.47 km/h) | 50.23 mph (80.84 km/h) |
| 55 mph (88.51 km/h) | 55.25 mph (88.92 km/h) |
| 60 mph (96.56 km/h) | 60.28 mph (97.01 km/h) |
| 65 mph (104.61 km/h) | 65.3 mph (105.09 km/h) |
| 70 mph (112.65 km/h) | 70.32 mph (113.17 km/h) |
| 75 mph (120.7 km/h) | 75.35 mph (121.26 km/h) |
| 80 mph (128.75 km/h) | 80.37 mph (129.34 km/h) |
| 85 mph (136.79 km/h) | 85.39 mph (137.43 km/h) |
| 90 mph (144.84 km/h) | 90.42 mph (145.51 km/h) |
| 95 mph (152.89 km/h) | 95.44 mph (153.59 km/h) |
| 100 mph (160.93 km/h) | 100.46 mph (161.68 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1874 | 2177 | 2345 | 2448 | 2560 | 2640 | 2727 | 2831 | 2975 | 3118 | 3278 | 3405 | 3637 | 3892 | 4091 | 4219 | 4291 | 4554 | 4921 | 5718 |
Better Fuel Economy Factory Ratios Increased Power
