Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 325/35-22 | 315/30-22 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.96 (786.3) | 29.44 (747.8) | -1.52 (-38.5) -4.9% |
| Width inches (mm) | 12.8 (325) | 12.4 (315) | -0.39 (-10) -3.1% |
| Circum. inches (mm) | 97.25 (2470.23) | 92.49 (2349.28) | -4.76 (-120.95) -4.9% |
| Sidewall Height inches (mm) | 4.48 (113.75) | 3.72 (94.5) | -0.76 (-19.25) -16.9% |
| Revolutions per mile (km) | 651.49 (404.82) | 685.04 (425.66) | 33.54 (20.84) 5.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.02 mph (30.61 km/h) |
| 25 mph (40.23 km/h) | 23.78 mph (38.26 km/h) |
| 30 mph (48.28 km/h) | 28.53 mph (45.92 km/h) |
| 35 mph (56.33 km/h) | 33.29 mph (53.57 km/h) |
| 40 mph (64.37 km/h) | 38.04 mph (61.22 km/h) |
| 45 mph (72.42 km/h) | 42.8 mph (68.87 km/h) |
| 50 mph (80.47 km/h) | 47.55 mph (76.53 km/h) |
| 55 mph (88.51 km/h) | 52.31 mph (84.18 km/h) |
| 60 mph (96.56 km/h) | 57.06 mph (91.83 km/h) |
| 65 mph (104.61 km/h) | 61.82 mph (99.49 km/h) |
| 70 mph (112.65 km/h) | 66.57 mph (107.14 km/h) |
| 75 mph (120.7 km/h) | 71.33 mph (114.79 km/h) |
| 80 mph (128.75 km/h) | 76.08 mph (122.44 km/h) |
| 85 mph (136.79 km/h) | 80.84 mph (130.1 km/h) |
| 90 mph (144.84 km/h) | 85.59 mph (137.75 km/h) |
| 95 mph (152.89 km/h) | 90.35 mph (145.4 km/h) |
| 100 mph (160.93 km/h) | 95.1 mph (153.05 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1743 | 2025 | 2181 | 2277 | 2381 | 2455 | 2537 | 2633 | 2767 | 2901 | 3049 | 3168 | 3383 | 3620 | 3806 | 3924 | 3991 | 4236 | 4577 | 5319 |
Better Fuel Economy Factory Ratios Increased Power
