Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/30-30 | 265/65-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 37.44 (951) | 35.56 (903.3) | -1.88 (-47.7) -5% |
| Width inches (mm) | 12.4 (315) | 10.43 (265) | -1.97 (-50) -15.9% |
| Circum. inches (mm) | 117.62 (2987.65) | 111.72 (2837.8) | -5.9 (-149.85) -5% |
| Sidewall Height inches (mm) | 3.72 (94.5) | 6.78 (172.25) | 3.06 (77.75) 82.3% |
| Revolutions per mile (km) | 538.66 (334.71) | 567.11 (352.38) | 28.44 (17.67) 5.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19 mph (30.57 km/h) |
| 25 mph (40.23 km/h) | 23.75 mph (38.22 km/h) |
| 30 mph (48.28 km/h) | 28.5 mph (45.86 km/h) |
| 35 mph (56.33 km/h) | 33.24 mph (53.5 km/h) |
| 40 mph (64.37 km/h) | 37.99 mph (61.15 km/h) |
| 45 mph (72.42 km/h) | 42.74 mph (68.79 km/h) |
| 50 mph (80.47 km/h) | 47.49 mph (76.43 km/h) |
| 55 mph (88.51 km/h) | 52.24 mph (84.07 km/h) |
| 60 mph (96.56 km/h) | 56.99 mph (91.72 km/h) |
| 65 mph (104.61 km/h) | 61.74 mph (99.36 km/h) |
| 70 mph (112.65 km/h) | 66.49 mph (107 km/h) |
| 75 mph (120.7 km/h) | 71.24 mph (114.65 km/h) |
| 80 mph (128.75 km/h) | 75.99 mph (122.29 km/h) |
| 85 mph (136.79 km/h) | 80.74 mph (129.93 km/h) |
| 90 mph (144.84 km/h) | 85.49 mph (137.58 km/h) |
| 95 mph (152.89 km/h) | 90.24 mph (145.22 km/h) |
| 100 mph (160.93 km/h) | 94.98 mph (152.86 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1443 | 1677 | 1806 | 1885 | 1971 | 2033 | 2100 | 2180 | 2291 | 2401 | 2524 | 2622 | 2800 | 2997 | 3150 | 3249 | 3304 | 3507 | 3789 | 4403 |
Better Fuel Economy Factory Ratios Increased Power
