Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 35/12.5-15 | 32/11.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 35.03 (889.8) | 32.01 (813.16) | -3.02 (-76.64) -8.6% |
| Width inches (mm) | 12.52 (318) | 11.5 (292) | -1.02 (-26) -8.2% |
| Circum. inches (mm) | 110.05 (2795.39) | 100.58 (2554.62) | -9.48 (-240.77) -8.6% |
| Sidewall Height inches (mm) | 10.02 (254.4) | 8.51 (216.08) | -1.51 (-38.32) -15.1% |
| Revolutions per mile (km) | 575.71 (357.73) | 629.97 (391.45) | 54.26 (33.72) 9.4% |
32/11.5-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.28 mph (29.41 km/h) |
| 25 mph (40.23 km/h) | 22.85 mph (36.77 km/h) |
| 30 mph (48.28 km/h) | 27.42 mph (44.12 km/h) |
| 35 mph (56.33 km/h) | 31.99 mph (51.48 km/h) |
| 40 mph (64.37 km/h) | 36.55 mph (58.83 km/h) |
| 45 mph (72.42 km/h) | 41.12 mph (66.18 km/h) |
| 50 mph (80.47 km/h) | 45.69 mph (73.54 km/h) |
| 55 mph (88.51 km/h) | 50.26 mph (80.89 km/h) |
| 60 mph (96.56 km/h) | 54.83 mph (88.24 km/h) |
| 65 mph (104.61 km/h) | 59.4 mph (95.6 km/h) |
| 70 mph (112.65 km/h) | 63.97 mph (102.95 km/h) |
| 75 mph (120.7 km/h) | 68.54 mph (110.3 km/h) |
| 80 mph (128.75 km/h) | 73.11 mph (117.66 km/h) |
| 85 mph (136.79 km/h) | 77.68 mph (125.01 km/h) |
| 90 mph (144.84 km/h) | 82.25 mph (132.37 km/h) |
| 95 mph (152.89 km/h) | 86.82 mph (139.72 km/h) |
| 100 mph (160.93 km/h) | 91.39 mph (147.07 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1603 | 1862 | 2006 | 2094 | 2190 | 2258 | 2333 | 2422 | 2545 | 2667 | 2804 | 2913 | 3111 | 3329 | 3500 | 3609 | 3670 | 3895 | 4209 | 4891 |
Better Fuel Economy Factory Ratios Increased Power
