Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 335/30-20 | 315/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.91 (709) | 28.68 (728.5) | 0.77 (19.5) 2.8% |
| Width inches (mm) | 13.19 (335) | 12.4 (315) | -0.79 (-20) -6% |
| Circum. inches (mm) | 87.69 (2227.39) | 90.1 (2288.65) | 2.41 (61.26) 2.8% |
| Sidewall Height inches (mm) | 3.96 (100.5) | 4.34 (110.25) | 0.38 (9.75) 9.7% |
| Revolutions per mile (km) | 722.52 (448.96) | 703.18 (436.94) | -19.34 (-12.02) -2.7% |
315/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.55 mph (33.07 km/h) |
| 25 mph (40.23 km/h) | 25.69 mph (41.34 km/h) |
| 30 mph (48.28 km/h) | 30.83 mph (49.61 km/h) |
| 35 mph (56.33 km/h) | 35.96 mph (57.88 km/h) |
| 40 mph (64.37 km/h) | 41.1 mph (66.14 km/h) |
| 45 mph (72.42 km/h) | 46.24 mph (74.41 km/h) |
| 50 mph (80.47 km/h) | 51.38 mph (82.68 km/h) |
| 55 mph (88.51 km/h) | 56.51 mph (90.95 km/h) |
| 60 mph (96.56 km/h) | 61.65 mph (99.22 km/h) |
| 65 mph (104.61 km/h) | 66.79 mph (107.48 km/h) |
| 70 mph (112.65 km/h) | 71.93 mph (115.75 km/h) |
| 75 mph (120.7 km/h) | 77.06 mph (124.02 km/h) |
| 80 mph (128.75 km/h) | 82.2 mph (132.29 km/h) |
| 85 mph (136.79 km/h) | 87.34 mph (140.56 km/h) |
| 90 mph (144.84 km/h) | 92.48 mph (148.82 km/h) |
| 95 mph (152.89 km/h) | 97.61 mph (157.09 km/h) |
| 100 mph (160.93 km/h) | 102.75 mph (165.36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1789 | 2079 | 2239 | 2338 | 2444 | 2520 | 2604 | 2703 | 2840 | 2977 | 3130 | 3252 | 3472 | 3716 | 3906 | 4028 | 4097 | 4348 | 4698 | 5460 |
Better Fuel Economy Factory Ratios Increased Power
