Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/25-20 | 305/35-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.81 (655.5) | 28.41 (721.5) | 2.6 (66) 10.1% |
| Width inches (mm) | 11.61 (295) | 12.01 (305) | 0.39 (10) 3.4% |
| Circum. inches (mm) | 81.08 (2059.31) | 89.24 (2266.66) | 8.16 (207.35) 10.1% |
| Sidewall Height inches (mm) | 2.9 (73.75) | 4.2 (106.75) | 1.3 (33) 44.7% |
| Revolutions per mile (km) | 781.5 (485.6) | 710.01 (441.18) | -71.49 (-44.42) -9.1% |
305/35-20 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.01 mph (35.43 km/h) |
| 25 mph (40.23 km/h) | 27.52 mph (44.28 km/h) |
| 30 mph (48.28 km/h) | 33.02 mph (53.14 km/h) |
| 35 mph (56.33 km/h) | 38.52 mph (62 km/h) |
| 40 mph (64.37 km/h) | 44.03 mph (70.86 km/h) |
| 45 mph (72.42 km/h) | 49.53 mph (79.71 km/h) |
| 50 mph (80.47 km/h) | 55.03 mph (88.57 km/h) |
| 55 mph (88.51 km/h) | 60.54 mph (97.43 km/h) |
| 60 mph (96.56 km/h) | 66.04 mph (106.28 km/h) |
| 65 mph (104.61 km/h) | 71.54 mph (115.14 km/h) |
| 70 mph (112.65 km/h) | 77.05 mph (124 km/h) |
| 75 mph (120.7 km/h) | 82.55 mph (132.85 km/h) |
| 80 mph (128.75 km/h) | 88.05 mph (141.71 km/h) |
| 85 mph (136.79 km/h) | 93.56 mph (150.57 km/h) |
| 90 mph (144.84 km/h) | 99.06 mph (159.42 km/h) |
| 95 mph (152.89 km/h) | 104.57 mph (168.28 km/h) |
| 100 mph (160.93 km/h) | 110.07 mph (177.14 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
