Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/75-15 | 29/9.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.88 (733.5) | 29.04 (737.68) | 0.16 (4.18) 0.6% |
| Width inches (mm) | 9.25 (235) | 9.49 (241) | 0.24 (6) 2.6% |
| Circum. inches (mm) | 90.72 (2304.36) | 91.24 (2317.49) | 0.52 (13.13) 0.6% |
| Sidewall Height inches (mm) | 6.94 (176.25) | 7.02 (178.34) | 0.08 (2.09) 1.2% |
| Revolutions per mile (km) | 698.39 (433.96) | 694.43 (431.5) | -3.96 (-2.46) -0.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.11 mph (32.37 km/h) |
| 25 mph (40.23 km/h) | 25.14 mph (40.46 km/h) |
| 30 mph (48.28 km/h) | 30.17 mph (48.56 km/h) |
| 35 mph (56.33 km/h) | 35.2 mph (56.65 km/h) |
| 40 mph (64.37 km/h) | 40.23 mph (64.74 km/h) |
| 45 mph (72.42 km/h) | 45.26 mph (72.83 km/h) |
| 50 mph (80.47 km/h) | 50.28 mph (80.93 km/h) |
| 55 mph (88.51 km/h) | 55.31 mph (89.02 km/h) |
| 60 mph (96.56 km/h) | 60.34 mph (97.11 km/h) |
| 65 mph (104.61 km/h) | 65.37 mph (105.2 km/h) |
| 70 mph (112.65 km/h) | 70.4 mph (113.3 km/h) |
| 75 mph (120.7 km/h) | 75.43 mph (121.39 km/h) |
| 80 mph (128.75 km/h) | 80.46 mph (129.48 km/h) |
| 85 mph (136.79 km/h) | 85.48 mph (137.57 km/h) |
| 90 mph (144.84 km/h) | 90.51 mph (145.67 km/h) |
| 95 mph (152.89 km/h) | 95.54 mph (153.76 km/h) |
| 100 mph (160.93 km/h) | 100.57 mph (161.85 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1767 | 2053 | 2211 | 2309 | 2414 | 2489 | 2572 | 2670 | 2805 | 2940 | 3091 | 3211 | 3429 | 3670 | 3858 | 3978 | 4046 | 4294 | 4640 | 5392 |
Better Fuel Economy Factory Ratios Increased Power
