Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/90-15 | 250/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.57 (624) | 27.8 (706) | 3.23 (82) 13.1% |
| Width inches (mm) | 5.31 (135) | 9.84 (250) | 4.53 (115) 85.2% |
| Circum. inches (mm) | 77.18 (1960.35) | 87.32 (2217.96) | 10.14 (257.61) 13.1% |
| Sidewall Height inches (mm) | 4.78 (121.5) | 6.4 (162.5) | 1.61 (41) 33.7% |
| Revolutions per mile (km) | 820.95 (510.11) | 725.6 (450.86) | -95.35 (-59.25) -11.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.63 mph (36.42 km/h) |
| 25 mph (40.23 km/h) | 28.29 mph (45.52 km/h) |
| 30 mph (48.28 km/h) | 33.94 mph (54.62 km/h) |
| 35 mph (56.33 km/h) | 39.6 mph (63.73 km/h) |
| 40 mph (64.37 km/h) | 45.26 mph (72.83 km/h) |
| 45 mph (72.42 km/h) | 50.91 mph (81.94 km/h) |
| 50 mph (80.47 km/h) | 56.57 mph (91.04 km/h) |
| 55 mph (88.51 km/h) | 62.23 mph (100.15 km/h) |
| 60 mph (96.56 km/h) | 67.88 mph (109.25 km/h) |
| 65 mph (104.61 km/h) | 73.54 mph (118.35 km/h) |
| 70 mph (112.65 km/h) | 79.2 mph (127.46 km/h) |
| 75 mph (120.7 km/h) | 84.86 mph (136.56 km/h) |
| 80 mph (128.75 km/h) | 90.51 mph (145.67 km/h) |
| 85 mph (136.79 km/h) | 96.17 mph (154.77 km/h) |
| 90 mph (144.84 km/h) | 101.83 mph (163.87 km/h) |
| 95 mph (152.89 km/h) | 107.48 mph (172.98 km/h) |
| 100 mph (160.93 km/h) | 113.14 mph (182.08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1847 | 2145 | 2310 | 2412 | 2522 | 2601 | 2687 | 2789 | 2931 | 3072 | 3229 | 3355 | 3583 | 3834 | 4031 | 4157 | 4227 | 4487 | 4848 | 5634 |
Better Fuel Economy Factory Ratios Increased Power
