Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 235/65-15 | 235/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.03 (686.5) | 27.95 (710) | 0.93 (23.5) 3.4% |
| Width inches (mm) | 9.25 (235) | 9.25 (235) | 0 (0) 0% |
| Circum. inches (mm) | 84.91 (2156.7) | 87.82 (2230.53) | 2.91 (73.83) 3.4% |
| Sidewall Height inches (mm) | 6.01 (152.75) | 6.48 (164.5) | 0.46 (11.75) 7.7% |
| Revolutions per mile (km) | 746.21 (463.67) | 721.51 (448.32) | -24.7 (-15.35) -3.3% |
235/70-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.68 mph (33.29 km/h) |
| 25 mph (40.23 km/h) | 25.86 mph (41.61 km/h) |
| 30 mph (48.28 km/h) | 31.03 mph (49.93 km/h) |
| 35 mph (56.33 km/h) | 36.2 mph (58.26 km/h) |
| 40 mph (64.37 km/h) | 41.37 mph (66.58 km/h) |
| 45 mph (72.42 km/h) | 46.54 mph (74.9 km/h) |
| 50 mph (80.47 km/h) | 51.71 mph (83.22 km/h) |
| 55 mph (88.51 km/h) | 56.88 mph (91.54 km/h) |
| 60 mph (96.56 km/h) | 62.05 mph (99.87 km/h) |
| 65 mph (104.61 km/h) | 67.23 mph (108.19 km/h) |
| 70 mph (112.65 km/h) | 72.4 mph (116.51 km/h) |
| 75 mph (120.7 km/h) | 77.57 mph (124.83 km/h) |
| 80 mph (128.75 km/h) | 82.74 mph (133.16 km/h) |
| 85 mph (136.79 km/h) | 87.91 mph (141.48 km/h) |
| 90 mph (144.84 km/h) | 93.08 mph (149.8 km/h) |
| 95 mph (152.89 km/h) | 98.25 mph (158.12 km/h) |
| 100 mph (160.93 km/h) | 103.42 mph (166.44 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
