Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 100/80-17 | 140/70-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.3 (591.8) | 24.72 (627.8) | 1.42 (36) 6.1% |
| Width inches (mm) | 3.94 (100) | 5.51 (140) | 1.57 (40) 40% |
| Circum. inches (mm) | 73.2 (1859.19) | 77.65 (1972.29) | 4.45 (113.1) 6.1% |
| Sidewall Height inches (mm) | 3.15 (80) | 3.86 (98) | 0.71 (18) 22.5% |
| Revolutions per mile (km) | 865.61 (537.87) | 815.98 (507.02) | -49.64 (-30.84) -5.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.22 mph (34.14 km/h) |
| 25 mph (40.23 km/h) | 26.52 mph (42.68 km/h) |
| 30 mph (48.28 km/h) | 31.82 mph (51.22 km/h) |
| 35 mph (56.33 km/h) | 37.13 mph (59.75 km/h) |
| 40 mph (64.37 km/h) | 42.43 mph (68.29 km/h) |
| 45 mph (72.42 km/h) | 47.74 mph (76.83 km/h) |
| 50 mph (80.47 km/h) | 53.04 mph (85.36 km/h) |
| 55 mph (88.51 km/h) | 58.35 mph (93.9 km/h) |
| 60 mph (96.56 km/h) | 63.65 mph (102.43 km/h) |
| 65 mph (104.61 km/h) | 68.95 mph (110.97 km/h) |
| 70 mph (112.65 km/h) | 74.26 mph (119.51 km/h) |
| 75 mph (120.7 km/h) | 79.56 mph (128.04 km/h) |
| 80 mph (128.75 km/h) | 84.87 mph (136.58 km/h) |
| 85 mph (136.79 km/h) | 90.17 mph (145.12 km/h) |
| 90 mph (144.84 km/h) | 95.47 mph (153.65 km/h) |
| 95 mph (152.89 km/h) | 100.78 mph (162.19 km/h) |
| 100 mph (160.93 km/h) | 106.08 mph (170.72 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2077 | 2412 | 2598 | 2713 | 2836 | 2925 | 3022 | 3137 | 3296 | 3455 | 3632 | 3773 | 4029 | 4312 | 4533 | 4674 | 4754 | 5045 | 5452 | 6336 |
Better Fuel Economy Factory Ratios Increased Power
