Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/82-15 | 225/100-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.65 (651.6) | 32.72 (831) | 7.06 (179.4) 27.5% |
| Width inches (mm) | 6.5 (165) | 8.86 (225) | 2.36 (60) 36.4% |
| Circum. inches (mm) | 80.59 (2047.06) | 102.78 (2610.66) | 22.19 (563.6) 27.5% |
| Sidewall Height inches (mm) | 5.33 (135.3) | 8.86 (225) | 3.53 (89.7) 66.3% |
| Revolutions per mile (km) | 786.17 (488.5) | 616.45 (383.04) | -169.72 (-105.46) -21.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.51 mph (41.05 km/h) |
| 25 mph (40.23 km/h) | 31.88 mph (51.31 km/h) |
| 30 mph (48.28 km/h) | 38.26 mph (61.57 km/h) |
| 35 mph (56.33 km/h) | 44.64 mph (71.84 km/h) |
| 40 mph (64.37 km/h) | 51.01 mph (82.1 km/h) |
| 45 mph (72.42 km/h) | 57.39 mph (92.36 km/h) |
| 50 mph (80.47 km/h) | 63.77 mph (102.62 km/h) |
| 55 mph (88.51 km/h) | 70.14 mph (112.88 km/h) |
| 60 mph (96.56 km/h) | 76.52 mph (123.15 km/h) |
| 65 mph (104.61 km/h) | 82.9 mph (133.41 km/h) |
| 70 mph (112.65 km/h) | 89.27 mph (143.67 km/h) |
| 75 mph (120.7 km/h) | 95.65 mph (153.93 km/h) |
| 80 mph (128.75 km/h) | 102.03 mph (164.19 km/h) |
| 85 mph (136.79 km/h) | 108.4 mph (174.46 km/h) |
| 90 mph (144.84 km/h) | 114.78 mph (184.72 km/h) |
| 95 mph (152.89 km/h) | 121.16 mph (194.98 km/h) |
| 100 mph (160.93 km/h) | 127.53 mph (205.24 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1569 | 1822 | 1963 | 2049 | 2143 | 2210 | 2283 | 2370 | 2490 | 2610 | 2744 | 2850 | 3044 | 3258 | 3425 | 3531 | 3591 | 3812 | 4119 | 4786 |
Better Fuel Economy Factory Ratios Increased Power
