Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/90-15 | 235/90-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.57 (624) | 31.65 (804) | 7.09 (180) 28.8% |
| Width inches (mm) | 5.31 (135) | 9.25 (235) | 3.94 (100) 74.1% |
| Circum. inches (mm) | 77.18 (1960.35) | 99.44 (2525.84) | 22.26 (565.49) 28.8% |
| Sidewall Height inches (mm) | 4.78 (121.5) | 8.33 (211.5) | 3.54 (90) 74.1% |
| Revolutions per mile (km) | 820.95 (510.11) | 637.15 (395.91) | -183.79 (-114.2) -22.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.77 mph (41.47 km/h) |
| 25 mph (40.23 km/h) | 32.21 mph (51.84 km/h) |
| 30 mph (48.28 km/h) | 38.65 mph (62.21 km/h) |
| 35 mph (56.33 km/h) | 45.1 mph (72.58 km/h) |
| 40 mph (64.37 km/h) | 51.54 mph (82.94 km/h) |
| 45 mph (72.42 km/h) | 57.98 mph (93.31 km/h) |
| 50 mph (80.47 km/h) | 64.42 mph (103.68 km/h) |
| 55 mph (88.51 km/h) | 70.87 mph (114.05 km/h) |
| 60 mph (96.56 km/h) | 77.31 mph (124.41 km/h) |
| 65 mph (104.61 km/h) | 83.75 mph (134.78 km/h) |
| 70 mph (112.65 km/h) | 90.19 mph (145.15 km/h) |
| 75 mph (120.7 km/h) | 96.63 mph (155.52 km/h) |
| 80 mph (128.75 km/h) | 103.08 mph (165.89 km/h) |
| 85 mph (136.79 km/h) | 109.52 mph (176.25 km/h) |
| 90 mph (144.84 km/h) | 115.96 mph (186.62 km/h) |
| 95 mph (152.89 km/h) | 122.4 mph (196.99 km/h) |
| 100 mph (160.93 km/h) | 128.85 mph (207.36 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1621 | 1884 | 2029 | 2118 | 2215 | 2284 | 2360 | 2449 | 2574 | 2698 | 2836 | 2946 | 3146 | 3367 | 3540 | 3650 | 3712 | 3940 | 4257 | 4947 |
Better Fuel Economy Factory Ratios Increased Power
