Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-15 | 225/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.54 (598) | 25.63 (651) | 2.09 (53) 8.9% |
| Width inches (mm) | 6.1 (155) | 8.86 (225) | 2.76 (70) 45.2% |
| Circum. inches (mm) | 73.96 (1878.67) | 80.52 (2045.18) | 6.56 (166.5) 8.9% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 5.31 (135) | 1.04 (26.5) 24.4% |
| Revolutions per mile (km) | 856.64 (532.29) | 786.9 (488.95) | -69.74 (-43.34) -8.1% |
225/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.77 mph (35.04 km/h) |
| 25 mph (40.23 km/h) | 27.22 mph (43.8 km/h) |
| 30 mph (48.28 km/h) | 32.66 mph (52.56 km/h) |
| 35 mph (56.33 km/h) | 38.1 mph (61.32 km/h) |
| 40 mph (64.37 km/h) | 43.55 mph (70.08 km/h) |
| 45 mph (72.42 km/h) | 48.99 mph (78.84 km/h) |
| 50 mph (80.47 km/h) | 54.43 mph (87.6 km/h) |
| 55 mph (88.51 km/h) | 59.87 mph (96.36 km/h) |
| 60 mph (96.56 km/h) | 65.32 mph (105.12 km/h) |
| 65 mph (104.61 km/h) | 70.76 mph (113.88 km/h) |
| 70 mph (112.65 km/h) | 76.2 mph (122.64 km/h) |
| 75 mph (120.7 km/h) | 81.65 mph (131.4 km/h) |
| 80 mph (128.75 km/h) | 87.09 mph (140.16 km/h) |
| 85 mph (136.79 km/h) | 92.53 mph (148.92 km/h) |
| 90 mph (144.84 km/h) | 97.98 mph (157.68 km/h) |
| 95 mph (152.89 km/h) | 103.42 mph (166.44 km/h) |
| 100 mph (160.93 km/h) | 108.86 mph (175.2 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
