Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/90-15 | 205/75-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.57 (624) | 27.11 (688.5) | 2.54 (64.5) 10.3% |
| Width inches (mm) | 5.31 (135) | 8.07 (205) | 2.76 (70) 51.9% |
| Circum. inches (mm) | 77.18 (1960.35) | 85.16 (2162.99) | 7.98 (202.63) 10.3% |
| Sidewall Height inches (mm) | 4.78 (121.5) | 6.05 (153.75) | 1.27 (32.25) 26.5% |
| Revolutions per mile (km) | 820.95 (510.11) | 744.04 (462.32) | -76.91 (-47.79) -9.4% |
205/75-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.07 mph (35.51 km/h) |
| 25 mph (40.23 km/h) | 27.58 mph (44.39 km/h) |
| 30 mph (48.28 km/h) | 33.1 mph (53.27 km/h) |
| 35 mph (56.33 km/h) | 38.62 mph (62.15 km/h) |
| 40 mph (64.37 km/h) | 44.13 mph (71.03 km/h) |
| 45 mph (72.42 km/h) | 49.65 mph (79.91 km/h) |
| 50 mph (80.47 km/h) | 55.17 mph (88.78 km/h) |
| 55 mph (88.51 km/h) | 60.69 mph (97.66 km/h) |
| 60 mph (96.56 km/h) | 66.2 mph (106.54 km/h) |
| 65 mph (104.61 km/h) | 71.72 mph (115.42 km/h) |
| 70 mph (112.65 km/h) | 77.24 mph (124.3 km/h) |
| 75 mph (120.7 km/h) | 82.75 mph (133.18 km/h) |
| 80 mph (128.75 km/h) | 88.27 mph (142.06 km/h) |
| 85 mph (136.79 km/h) | 93.79 mph (150.93 km/h) |
| 90 mph (144.84 km/h) | 99.3 mph (159.81 km/h) |
| 95 mph (152.89 km/h) | 104.82 mph (168.69 km/h) |
| 100 mph (160.93 km/h) | 110.34 mph (177.57 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1893 | 2200 | 2369 | 2474 | 2586 | 2667 | 2756 | 2860 | 3005 | 3150 | 3311 | 3440 | 3674 | 3932 | 4133 | 4262 | 4335 | 4601 | 4971 | 5777 |
Better Fuel Economy Factory Ratios Increased Power
