Accepts P-Metric and Inches
| 225/70-15 | 245/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.4 (696) | 26.57 (675) | -0.83 (-21) -3% |
| Width inches (mm) | 8.86 (225) | 9.65 (245) | 0.79 (20) 8.9% |
| Circum. inches (mm) | 86.08 (2186.55) | 83.49 (2120.58) | -2.6 (-65.97) -3% |
| Sidewall Height inches (mm) | 6.2 (157.5) | 5.79 (147) | -0.41 (-10.5) -6.7% |
| Revolutions per mile (km) | 736.02 (457.34) | 758.92 (471.57) | 22.9 (14.23) 3.1% |
245/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.4 mph (31.22 km/h) |
| 25 mph (40.23 km/h) | 24.25 mph (39.02 km/h) |
| 30 mph (48.28 km/h) | 29.09 mph (46.82 km/h) |
| 35 mph (56.33 km/h) | 33.94 mph (54.63 km/h) |
| 40 mph (64.37 km/h) | 38.79 mph (62.43 km/h) |
| 45 mph (72.42 km/h) | 43.64 mph (70.24 km/h) |
| 50 mph (80.47 km/h) | 48.49 mph (78.04 km/h) |
| 55 mph (88.51 km/h) | 53.34 mph (85.84 km/h) |
| 60 mph (96.56 km/h) | 58.19 mph (93.65 km/h) |
| 65 mph (104.61 km/h) | 63.04 mph (101.45 km/h) |
| 70 mph (112.65 km/h) | 67.89 mph (109.26 km/h) |
| 75 mph (120.7 km/h) | 72.74 mph (117.06 km/h) |
| 80 mph (128.75 km/h) | 77.59 mph (124.86 km/h) |
| 85 mph (136.79 km/h) | 82.44 mph (132.67 km/h) |
| 90 mph (144.84 km/h) | 87.28 mph (140.47 km/h) |
| 95 mph (152.89 km/h) | 92.13 mph (148.27 km/h) |
| 100 mph (160.93 km/h) | 96.98 mph (156.08 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1931 | 2244 | 2416 | 2523 | 2638 | 2720 | 2811 | 2918 | 3065 | 3213 | 3378 | 3509 | 3748 | 4011 | 4216 | 4347 | 4421 | 4693 | 5071 | 5893 |
Better Fuel Economy Factory Ratios Increased Power




