Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 190/60-15 | 300/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.98 (609) | 29.17 (741) | 5.2 (132) 21.7% |
| Width inches (mm) | 7.48 (190) | 11.81 (300) | 4.33 (110) 57.9% |
| Circum. inches (mm) | 75.32 (1913.23) | 91.65 (2327.92) | 16.33 (414.69) 21.7% |
| Sidewall Height inches (mm) | 4.49 (114) | 7.09 (180) | 2.6 (66) 57.9% |
| Revolutions per mile (km) | 841.17 (522.68) | 691.32 (429.57) | -149.84 (-93.11) -17.8% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 24.33 mph (39.16 km/h) |
| 25 mph (40.23 km/h) | 30.42 mph (48.95 km/h) |
| 30 mph (48.28 km/h) | 36.5 mph (58.75 km/h) |
| 35 mph (56.33 km/h) | 42.59 mph (68.54 km/h) |
| 40 mph (64.37 km/h) | 48.67 mph (78.33 km/h) |
| 45 mph (72.42 km/h) | 54.75 mph (88.12 km/h) |
| 50 mph (80.47 km/h) | 60.84 mph (97.91 km/h) |
| 55 mph (88.51 km/h) | 66.92 mph (107.7 km/h) |
| 60 mph (96.56 km/h) | 73 mph (117.49 km/h) |
| 65 mph (104.61 km/h) | 79.09 mph (127.28 km/h) |
| 70 mph (112.65 km/h) | 85.17 mph (137.07 km/h) |
| 75 mph (120.7 km/h) | 91.26 mph (146.86 km/h) |
| 80 mph (128.75 km/h) | 97.34 mph (156.65 km/h) |
| 85 mph (136.79 km/h) | 103.42 mph (166.44 km/h) |
| 90 mph (144.84 km/h) | 109.51 mph (176.24 km/h) |
| 95 mph (152.89 km/h) | 115.59 mph (186.03 km/h) |
| 100 mph (160.93 km/h) | 121.67 mph (195.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1759 | 2044 | 2201 | 2298 | 2403 | 2478 | 2560 | 2658 | 2792 | 2927 | 3077 | 3197 | 3414 | 3653 | 3840 | 3960 | 4028 | 4275 | 4619 | 5368 |
Better Fuel Economy Factory Ratios Increased Power
