Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/65-14 | 150/45-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.42 (544.1) | 19.31 (490.6) | -2.11 (-53.5) -9.8% |
| Width inches (mm) | 5.71 (145) | 5.91 (150) | 0.2 (5) 3.4% |
| Circum. inches (mm) | 67.3 (1709.34) | 60.68 (1541.27) | -6.62 (-168.08) -9.8% |
| Sidewall Height inches (mm) | 3.71 (94.25) | 2.66 (67.5) | -1.05 (-26.75) -28.4% |
| Revolutions per mile (km) | 941.5 (585.02) | 1044.17 (648.82) | 102.67 (63.8) 10.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.03 mph (29.02 km/h) |
| 25 mph (40.23 km/h) | 22.54 mph (36.28 km/h) |
| 30 mph (48.28 km/h) | 27.05 mph (43.53 km/h) |
| 35 mph (56.33 km/h) | 31.56 mph (50.79 km/h) |
| 40 mph (64.37 km/h) | 36.07 mph (58.04 km/h) |
| 45 mph (72.42 km/h) | 40.58 mph (65.3 km/h) |
| 50 mph (80.47 km/h) | 45.08 mph (72.56 km/h) |
| 55 mph (88.51 km/h) | 49.59 mph (79.81 km/h) |
| 60 mph (96.56 km/h) | 54.1 mph (87.07 km/h) |
| 65 mph (104.61 km/h) | 58.61 mph (94.32 km/h) |
| 70 mph (112.65 km/h) | 63.12 mph (101.58 km/h) |
| 75 mph (120.7 km/h) | 67.63 mph (108.83 km/h) |
| 80 mph (128.75 km/h) | 72.13 mph (116.09 km/h) |
| 85 mph (136.79 km/h) | 76.64 mph (123.34 km/h) |
| 90 mph (144.84 km/h) | 81.15 mph (130.6 km/h) |
| 95 mph (152.89 km/h) | 85.66 mph (137.85 km/h) |
| 100 mph (160.93 km/h) | 90.17 mph (145.11 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
