Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 140/70-14 | 140/50-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.72 (551.6) | 19.51 (495.6) | -2.2 (-56) -10.2% |
| Width inches (mm) | 5.51 (140) | 5.51 (140) | 0 (0) 0% |
| Circum. inches (mm) | 68.22 (1732.9) | 61.3 (1556.97) | -6.93 (-175.93) -10.2% |
| Sidewall Height inches (mm) | 3.86 (98) | 2.76 (70) | -1.1 (-28) -28.6% |
| Revolutions per mile (km) | 928.7 (577.07) | 1033.64 (642.27) | 104.94 (65.21) 11.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.97 mph (28.92 km/h) |
| 25 mph (40.23 km/h) | 22.46 mph (36.15 km/h) |
| 30 mph (48.28 km/h) | 26.95 mph (43.38 km/h) |
| 35 mph (56.33 km/h) | 31.45 mph (50.61 km/h) |
| 40 mph (64.37 km/h) | 35.94 mph (57.84 km/h) |
| 45 mph (72.42 km/h) | 40.43 mph (65.07 km/h) |
| 50 mph (80.47 km/h) | 44.92 mph (72.3 km/h) |
| 55 mph (88.51 km/h) | 49.42 mph (79.53 km/h) |
| 60 mph (96.56 km/h) | 53.91 mph (86.76 km/h) |
| 65 mph (104.61 km/h) | 58.4 mph (93.99 km/h) |
| 70 mph (112.65 km/h) | 62.89 mph (101.22 km/h) |
| 75 mph (120.7 km/h) | 67.39 mph (108.45 km/h) |
| 80 mph (128.75 km/h) | 71.88 mph (115.68 km/h) |
| 85 mph (136.79 km/h) | 76.37 mph (122.91 km/h) |
| 90 mph (144.84 km/h) | 80.86 mph (130.14 km/h) |
| 95 mph (152.89 km/h) | 85.36 mph (137.37 km/h) |
| 100 mph (160.93 km/h) | 89.85 mph (144.6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
