Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-10 | 195/30-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.13 (486) | 19.61 (498) | 0.47 (12) 2.5% |
| Width inches (mm) | 5.71 (145) | 7.68 (195) | 1.97 (50) 34.5% |
| Circum. inches (mm) | 60.11 (1526.81) | 61.6 (1564.51) | 1.48 (37.7) 2.5% |
| Sidewall Height inches (mm) | 4.57 (116) | 2.3 (58.5) | -2.26 (-57.5) -49.6% |
| Revolutions per mile (km) | 1054.05 (654.96) | 1028.65 (639.18) | -25.4 (-15.78) -2.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.49 mph (32.98 km/h) |
| 25 mph (40.23 km/h) | 25.62 mph (41.23 km/h) |
| 30 mph (48.28 km/h) | 30.74 mph (49.47 km/h) |
| 35 mph (56.33 km/h) | 35.86 mph (57.72 km/h) |
| 40 mph (64.37 km/h) | 40.99 mph (65.96 km/h) |
| 45 mph (72.42 km/h) | 46.11 mph (74.21 km/h) |
| 50 mph (80.47 km/h) | 51.23 mph (82.45 km/h) |
| 55 mph (88.51 km/h) | 56.36 mph (90.7 km/h) |
| 60 mph (96.56 km/h) | 61.48 mph (98.95 km/h) |
| 65 mph (104.61 km/h) | 66.6 mph (107.19 km/h) |
| 70 mph (112.65 km/h) | 71.73 mph (115.44 km/h) |
| 75 mph (120.7 km/h) | 76.85 mph (123.68 km/h) |
| 80 mph (128.75 km/h) | 81.98 mph (131.93 km/h) |
| 85 mph (136.79 km/h) | 87.1 mph (140.17 km/h) |
| 90 mph (144.84 km/h) | 92.22 mph (148.42 km/h) |
| 95 mph (152.89 km/h) | 97.35 mph (156.66 km/h) |
| 100 mph (160.93 km/h) | 102.47 mph (164.91 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
