Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/75-15 | 235/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.47 (748.5) | 27.95 (710) | -1.52 (-38.5) -5.1% |
| Width inches (mm) | 9.65 (245) | 9.25 (235) | -0.39 (-10) -4.1% |
| Circum. inches (mm) | 92.58 (2351.48) | 87.82 (2230.53) | -4.76 (-120.95) -5.1% |
| Sidewall Height inches (mm) | 7.23 (183.75) | 6.48 (164.5) | -0.76 (-19.25) -10.5% |
| Revolutions per mile (km) | 684.4 (425.26) | 721.51 (448.32) | 37.11 (23.06) 5.4% |
235/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.97 mph (30.53 km/h) |
| 25 mph (40.23 km/h) | 23.71 mph (38.16 km/h) |
| 30 mph (48.28 km/h) | 28.46 mph (45.8 km/h) |
| 35 mph (56.33 km/h) | 33.2 mph (53.43 km/h) |
| 40 mph (64.37 km/h) | 37.94 mph (61.06 km/h) |
| 45 mph (72.42 km/h) | 42.69 mph (68.7 km/h) |
| 50 mph (80.47 km/h) | 47.43 mph (76.33 km/h) |
| 55 mph (88.51 km/h) | 52.17 mph (83.96 km/h) |
| 60 mph (96.56 km/h) | 56.91 mph (91.59 km/h) |
| 65 mph (104.61 km/h) | 61.66 mph (99.23 km/h) |
| 70 mph (112.65 km/h) | 66.4 mph (106.86 km/h) |
| 75 mph (120.7 km/h) | 71.14 mph (114.49 km/h) |
| 80 mph (128.75 km/h) | 75.89 mph (122.13 km/h) |
| 85 mph (136.79 km/h) | 80.63 mph (129.76 km/h) |
| 90 mph (144.84 km/h) | 85.37 mph (137.39 km/h) |
| 95 mph (152.89 km/h) | 90.11 mph (145.02 km/h) |
| 100 mph (160.93 km/h) | 94.86 mph (152.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1836 | 2133 | 2297 | 2399 | 2508 | 2586 | 2672 | 2774 | 2914 | 3055 | 3211 | 3336 | 3563 | 3813 | 4008 | 4133 | 4203 | 4461 | 4821 | 5602 |
Better Fuel Economy Factory Ratios Increased Power
