Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/65-17 | 35/12.5-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.61 (828.3) | 35.03 (889.72) | 2.42 (61.42) 7.4% |
| Width inches (mm) | 12.01 (305) | 12.52 (318) | 0.51 (13) 4.3% |
| Circum. inches (mm) | 102.45 (2602.18) | 110.04 (2795.14) | 7.6 (192.96) 7.4% |
| Sidewall Height inches (mm) | 7.81 (198.25) | 9.01 (228.96) | 1.21 (30.71) 15.5% |
| Revolutions per mile (km) | 618.46 (384.29) | 575.77 (357.76) | -42.69 (-26.53) -6.9% |
35/12.5-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.48 mph (34.57 km/h) |
| 25 mph (40.23 km/h) | 26.85 mph (43.22 km/h) |
| 30 mph (48.28 km/h) | 32.22 mph (51.86 km/h) |
| 35 mph (56.33 km/h) | 37.6 mph (60.5 km/h) |
| 40 mph (64.37 km/h) | 42.97 mph (69.15 km/h) |
| 45 mph (72.42 km/h) | 48.34 mph (77.79 km/h) |
| 50 mph (80.47 km/h) | 53.71 mph (86.43 km/h) |
| 55 mph (88.51 km/h) | 59.08 mph (95.08 km/h) |
| 60 mph (96.56 km/h) | 64.45 mph (103.72 km/h) |
| 65 mph (104.61 km/h) | 69.82 mph (112.36 km/h) |
| 70 mph (112.65 km/h) | 75.19 mph (121.01 km/h) |
| 75 mph (120.7 km/h) | 80.56 mph (129.65 km/h) |
| 80 mph (128.75 km/h) | 85.93 mph (138.29 km/h) |
| 85 mph (136.79 km/h) | 91.3 mph (146.94 km/h) |
| 90 mph (144.84 km/h) | 96.67 mph (155.58 km/h) |
| 95 mph (152.89 km/h) | 102.04 mph (164.22 km/h) |
| 100 mph (160.93 km/h) | 107.42 mph (172.87 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1465 | 1702 | 1833 | 1914 | 2001 | 2064 | 2132 | 2213 | 2326 | 2438 | 2563 | 2662 | 2843 | 3043 | 3199 | 3298 | 3354 | 3560 | 3847 | 4470 |
Better Fuel Economy Factory Ratios Increased Power
