Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/85-16 | 155/80-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.37 (644.4) | 25.76 (654.4) | 0.39 (10) 1.6% |
| Width inches (mm) | 5.51 (140) | 6.1 (155) | 0.59 (15) 10.7% |
| Circum. inches (mm) | 79.7 (2024.44) | 80.94 (2055.86) | 1.24 (31.42) 1.6% |
| Sidewall Height inches (mm) | 4.69 (119) | 4.88 (124) | 0.2 (5) 4.2% |
| Revolutions per mile (km) | 794.96 (493.96) | 782.81 (486.41) | -12.15 (-7.55) -1.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.31 mph (32.69 km/h) |
| 25 mph (40.23 km/h) | 25.39 mph (40.86 km/h) |
| 30 mph (48.28 km/h) | 30.47 mph (49.03 km/h) |
| 35 mph (56.33 km/h) | 35.54 mph (57.2 km/h) |
| 40 mph (64.37 km/h) | 40.62 mph (65.37 km/h) |
| 45 mph (72.42 km/h) | 45.7 mph (73.54 km/h) |
| 50 mph (80.47 km/h) | 50.78 mph (81.72 km/h) |
| 55 mph (88.51 km/h) | 55.85 mph (89.89 km/h) |
| 60 mph (96.56 km/h) | 60.93 mph (98.06 km/h) |
| 65 mph (104.61 km/h) | 66.01 mph (106.23 km/h) |
| 70 mph (112.65 km/h) | 71.09 mph (114.4 km/h) |
| 75 mph (120.7 km/h) | 76.16 mph (122.57 km/h) |
| 80 mph (128.75 km/h) | 81.24 mph (130.75 km/h) |
| 85 mph (136.79 km/h) | 86.32 mph (138.92 km/h) |
| 90 mph (144.84 km/h) | 91.4 mph (147.09 km/h) |
| 95 mph (152.89 km/h) | 96.47 mph (155.26 km/h) |
| 100 mph (160.93 km/h) | 101.55 mph (163.43 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
