Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 335/25-20 | 305/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.59 (675.5) | 28.41 (721.5) | 1.81 (46) 6.8% |
| Width inches (mm) | 13.19 (335) | 12.01 (305) | -1.18 (-30) -9% |
| Circum. inches (mm) | 83.55 (2122.15) | 89.24 (2266.66) | 5.69 (144.51) 6.8% |
| Sidewall Height inches (mm) | 3.3 (83.75) | 4.2 (106.75) | 0.91 (23) 27.5% |
| Revolutions per mile (km) | 758.36 (471.22) | 710.01 (441.18) | -48.35 (-30.04) -6.4% |
305/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.36 mph (34.38 km/h) |
| 25 mph (40.23 km/h) | 26.7 mph (42.97 km/h) |
| 30 mph (48.28 km/h) | 32.04 mph (51.57 km/h) |
| 35 mph (56.33 km/h) | 37.38 mph (60.16 km/h) |
| 40 mph (64.37 km/h) | 42.72 mph (68.76 km/h) |
| 45 mph (72.42 km/h) | 48.06 mph (77.35 km/h) |
| 50 mph (80.47 km/h) | 53.4 mph (85.95 km/h) |
| 55 mph (88.51 km/h) | 58.75 mph (94.54 km/h) |
| 60 mph (96.56 km/h) | 64.09 mph (103.14 km/h) |
| 65 mph (104.61 km/h) | 69.43 mph (111.73 km/h) |
| 70 mph (112.65 km/h) | 74.77 mph (120.33 km/h) |
| 75 mph (120.7 km/h) | 80.11 mph (128.92 km/h) |
| 80 mph (128.75 km/h) | 85.45 mph (137.52 km/h) |
| 85 mph (136.79 km/h) | 90.79 mph (146.11 km/h) |
| 90 mph (144.84 km/h) | 96.13 mph (154.7 km/h) |
| 95 mph (152.89 km/h) | 101.47 mph (163.3 km/h) |
| 100 mph (160.93 km/h) | 106.81 mph (171.89 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1807 | 2099 | 2260 | 2360 | 2468 | 2545 | 2630 | 2729 | 2868 | 3006 | 3160 | 3283 | 3506 | 3752 | 3944 | 4067 | 4136 | 4390 | 4744 | 5513 |
Better Fuel Economy Factory Ratios Increased Power
