Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/45-15 | 305/45-18 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.45 (646.5) | 28.81 (731.7) | 3.35 (85.2) 13.2% |
| Width inches (mm) | 11.61 (295) | 12.01 (305) | 0.39 (10) 3.4% |
| Circum. inches (mm) | 79.96 (2031.04) | 90.5 (2298.7) | 10.54 (267.66) 13.2% |
| Sidewall Height inches (mm) | 5.23 (132.75) | 5.4 (137.25) | 0.18 (4.5) 3.4% |
| Revolutions per mile (km) | 792.37 (492.36) | 700.11 (435.03) | -92.27 (-57.33) -11.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.64 mph (36.43 km/h) |
| 25 mph (40.23 km/h) | 28.29 mph (45.54 km/h) |
| 30 mph (48.28 km/h) | 33.95 mph (54.64 km/h) |
| 35 mph (56.33 km/h) | 39.61 mph (63.75 km/h) |
| 40 mph (64.37 km/h) | 45.27 mph (72.86 km/h) |
| 45 mph (72.42 km/h) | 50.93 mph (81.96 km/h) |
| 50 mph (80.47 km/h) | 56.59 mph (91.07 km/h) |
| 55 mph (88.51 km/h) | 62.25 mph (100.18 km/h) |
| 60 mph (96.56 km/h) | 67.91 mph (109.29 km/h) |
| 65 mph (104.61 km/h) | 73.57 mph (118.39 km/h) |
| 70 mph (112.65 km/h) | 79.23 mph (127.5 km/h) |
| 75 mph (120.7 km/h) | 84.88 mph (136.61 km/h) |
| 80 mph (128.75 km/h) | 90.54 mph (145.71 km/h) |
| 85 mph (136.79 km/h) | 96.2 mph (154.82 km/h) |
| 90 mph (144.84 km/h) | 101.86 mph (163.93 km/h) |
| 95 mph (152.89 km/h) | 107.52 mph (173.04 km/h) |
| 100 mph (160.93 km/h) | 113.18 mph (182.14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1782 | 2070 | 2229 | 2328 | 2434 | 2509 | 2593 | 2691 | 2828 | 2964 | 3116 | 3237 | 3457 | 3700 | 3889 | 4011 | 4079 | 4329 | 4678 | 5436 |
Better Fuel Economy Factory Ratios Increased Power
