Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/82-13 | 235/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.01 (584.4) | 25.95 (659.2) | 2.94 (74.8) 12.8% |
| Width inches (mm) | 6.1 (155) | 9.25 (235) | 3.15 (80) 51.6% |
| Circum. inches (mm) | 72.28 (1835.95) | 81.53 (2070.94) | 9.25 (234.99) 12.8% |
| Sidewall Height inches (mm) | 5 (127.1) | 6.48 (164.5) | 1.47 (37.4) 29.4% |
| Revolutions per mile (km) | 876.57 (544.68) | 777.11 (482.87) | -99.47 (-61.8) -11.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.56 mph (36.31 km/h) |
| 25 mph (40.23 km/h) | 28.2 mph (45.38 km/h) |
| 30 mph (48.28 km/h) | 33.84 mph (54.46 km/h) |
| 35 mph (56.33 km/h) | 39.48 mph (63.54 km/h) |
| 40 mph (64.37 km/h) | 45.12 mph (72.61 km/h) |
| 45 mph (72.42 km/h) | 50.76 mph (81.69 km/h) |
| 50 mph (80.47 km/h) | 56.4 mph (90.77 km/h) |
| 55 mph (88.51 km/h) | 62.04 mph (99.84 km/h) |
| 60 mph (96.56 km/h) | 67.68 mph (108.92 km/h) |
| 65 mph (104.61 km/h) | 73.32 mph (118 km/h) |
| 70 mph (112.65 km/h) | 78.96 mph (127.07 km/h) |
| 75 mph (120.7 km/h) | 84.6 mph (136.15 km/h) |
| 80 mph (128.75 km/h) | 90.24 mph (145.23 km/h) |
| 85 mph (136.79 km/h) | 95.88 mph (154.3 km/h) |
| 90 mph (144.84 km/h) | 101.52 mph (163.38 km/h) |
| 95 mph (152.89 km/h) | 107.16 mph (172.46 km/h) |
| 100 mph (160.93 km/h) | 112.8 mph (181.53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1978 | 2297 | 2474 | 2583 | 2701 | 2785 | 2878 | 2987 | 3139 | 3290 | 3459 | 3593 | 3837 | 4107 | 4317 | 4452 | 4527 | 4805 | 5192 | 6034 |
Better Fuel Economy Factory Ratios Increased Power
