Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-16 | 155/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.5 (622.4) | 25.76 (654.4) | 1.26 (32) 5.1% |
| Width inches (mm) | 5.31 (135) | 6.1 (155) | 0.79 (20) 14.8% |
| Circum. inches (mm) | 76.98 (1955.33) | 80.94 (2055.86) | 3.96 (100.53) 5.1% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.88 (124) | 0.63 (16) 14.8% |
| Revolutions per mile (km) | 823.06 (511.42) | 782.81 (486.41) | -40.25 (-25.01) -4.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.03 mph (33.84 km/h) |
| 25 mph (40.23 km/h) | 26.29 mph (42.3 km/h) |
| 30 mph (48.28 km/h) | 31.54 mph (50.76 km/h) |
| 35 mph (56.33 km/h) | 36.8 mph (59.22 km/h) |
| 40 mph (64.37 km/h) | 42.06 mph (67.68 km/h) |
| 45 mph (72.42 km/h) | 47.31 mph (76.14 km/h) |
| 50 mph (80.47 km/h) | 52.57 mph (84.6 km/h) |
| 55 mph (88.51 km/h) | 57.83 mph (93.06 km/h) |
| 60 mph (96.56 km/h) | 63.08 mph (101.53 km/h) |
| 65 mph (104.61 km/h) | 68.34 mph (109.99 km/h) |
| 70 mph (112.65 km/h) | 73.6 mph (118.45 km/h) |
| 75 mph (120.7 km/h) | 78.86 mph (126.91 km/h) |
| 80 mph (128.75 km/h) | 84.11 mph (135.37 km/h) |
| 85 mph (136.79 km/h) | 89.37 mph (143.83 km/h) |
| 90 mph (144.84 km/h) | 94.63 mph (152.29 km/h) |
| 95 mph (152.89 km/h) | 99.88 mph (160.75 km/h) |
| 100 mph (160.93 km/h) | 105.14 mph (169.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1992 | 2314 | 2492 | 2602 | 2721 | 2806 | 2899 | 3009 | 3162 | 3315 | 3484 | 3620 | 3866 | 4137 | 4349 | 4484 | 4561 | 4840 | 5230 | 6078 |
Better Fuel Economy Factory Ratios Increased Power
