Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/75-15 | 27/7.5-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.97 (583.5) | 27.03 (686.6) | 4.06 (103.1) 17.7% |
| Width inches (mm) | 5.31 (135) | 7.52 (191) | 2.2 (56) 41.5% |
| Circum. inches (mm) | 72.17 (1833.12) | 84.92 (2157.02) | 12.75 (323.9) 17.7% |
| Sidewall Height inches (mm) | 3.99 (101.25) | 6.02 (152.8) | 2.03 (51.55) 50.9% |
| Revolutions per mile (km) | 877.93 (545.52) | 746.1 (463.6) | -131.83 (-81.91) -15% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.53 mph (37.87 km/h) |
| 25 mph (40.23 km/h) | 29.42 mph (47.34 km/h) |
| 30 mph (48.28 km/h) | 35.3 mph (56.81 km/h) |
| 35 mph (56.33 km/h) | 41.18 mph (66.28 km/h) |
| 40 mph (64.37 km/h) | 47.07 mph (75.75 km/h) |
| 45 mph (72.42 km/h) | 52.95 mph (85.22 km/h) |
| 50 mph (80.47 km/h) | 58.83 mph (94.69 km/h) |
| 55 mph (88.51 km/h) | 64.72 mph (104.15 km/h) |
| 60 mph (96.56 km/h) | 70.6 mph (113.62 km/h) |
| 65 mph (104.61 km/h) | 76.49 mph (123.09 km/h) |
| 70 mph (112.65 km/h) | 82.37 mph (132.56 km/h) |
| 75 mph (120.7 km/h) | 88.25 mph (142.03 km/h) |
| 80 mph (128.75 km/h) | 94.14 mph (151.5 km/h) |
| 85 mph (136.79 km/h) | 100.02 mph (160.97 km/h) |
| 90 mph (144.84 km/h) | 105.9 mph (170.43 km/h) |
| 95 mph (152.89 km/h) | 111.79 mph (179.9 km/h) |
| 100 mph (160.93 km/h) | 117.67 mph (189.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1899 | 2206 | 2375 | 2480 | 2594 | 2674 | 2763 | 2868 | 3014 | 3159 | 3321 | 3450 | 3684 | 3943 | 4145 | 4274 | 4347 | 4613 | 4985 | 5793 |
Better Fuel Economy Factory Ratios Increased Power
