Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/45-15 | 225/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.68 (601.5) | 25.63 (651) | 1.95 (49.5) 8.2% |
| Width inches (mm) | 9.65 (245) | 8.86 (225) | -0.79 (-20) -8.2% |
| Circum. inches (mm) | 74.4 (1889.67) | 80.52 (2045.18) | 6.12 (155.51) 8.2% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 5.31 (135) | 0.97 (24.75) 22.4% |
| Revolutions per mile (km) | 851.65 (529.19) | 786.9 (488.95) | -64.76 (-40.24) -7.6% |
225/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.65 mph (34.84 km/h) |
| 25 mph (40.23 km/h) | 27.06 mph (43.54 km/h) |
| 30 mph (48.28 km/h) | 32.47 mph (52.25 km/h) |
| 35 mph (56.33 km/h) | 37.88 mph (60.96 km/h) |
| 40 mph (64.37 km/h) | 43.29 mph (69.67 km/h) |
| 45 mph (72.42 km/h) | 48.7 mph (78.38 km/h) |
| 50 mph (80.47 km/h) | 54.11 mph (87.09 km/h) |
| 55 mph (88.51 km/h) | 59.53 mph (95.8 km/h) |
| 60 mph (96.56 km/h) | 64.94 mph (104.51 km/h) |
| 65 mph (104.61 km/h) | 70.35 mph (113.22 km/h) |
| 70 mph (112.65 km/h) | 75.76 mph (121.93 km/h) |
| 75 mph (120.7 km/h) | 81.17 mph (130.63 km/h) |
| 80 mph (128.75 km/h) | 86.58 mph (139.34 km/h) |
| 85 mph (136.79 km/h) | 92 mph (148.05 km/h) |
| 90 mph (144.84 km/h) | 97.41 mph (156.76 km/h) |
| 95 mph (152.89 km/h) | 102.82 mph (165.47 km/h) |
| 100 mph (160.93 km/h) | 108.23 mph (174.18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2003 | 2326 | 2505 | 2616 | 2735 | 2821 | 2914 | 3025 | 3178 | 3332 | 3502 | 3639 | 3886 | 4158 | 4371 | 4508 | 4584 | 4866 | 5258 | 6110 |
Better Fuel Economy Factory Ratios Increased Power
