Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-22 | 275/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.61 (802.8) | 27.99 (711) | -3.61 (-91.8) -11.4% |
| Width inches (mm) | 12.01 (305) | 10.83 (275) | -1.18 (-30) -9.8% |
| Circum. inches (mm) | 99.29 (2522.07) | 87.94 (2233.67) | -11.35 (-288.4) -11.4% |
| Sidewall Height inches (mm) | 4.8 (122) | 6.5 (165) | 1.69 (43) 35.2% |
| Revolutions per mile (km) | 638.1 (396.5) | 720.49 (447.69) | 82.39 (51.19) 12.9% |
275/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 17.71 mph (28.51 km/h) |
| 25 mph (40.23 km/h) | 22.14 mph (35.63 km/h) |
| 30 mph (48.28 km/h) | 26.57 mph (42.76 km/h) |
| 35 mph (56.33 km/h) | 31 mph (49.89 km/h) |
| 40 mph (64.37 km/h) | 35.43 mph (57.01 km/h) |
| 45 mph (72.42 km/h) | 39.85 mph (64.14 km/h) |
| 50 mph (80.47 km/h) | 44.28 mph (71.27 km/h) |
| 55 mph (88.51 km/h) | 48.71 mph (78.39 km/h) |
| 60 mph (96.56 km/h) | 53.14 mph (85.52 km/h) |
| 65 mph (104.61 km/h) | 57.57 mph (92.65 km/h) |
| 70 mph (112.65 km/h) | 62 mph (99.77 km/h) |
| 75 mph (120.7 km/h) | 66.42 mph (106.9 km/h) |
| 80 mph (128.75 km/h) | 70.85 mph (114.03 km/h) |
| 85 mph (136.79 km/h) | 75.28 mph (121.15 km/h) |
| 90 mph (144.84 km/h) | 79.71 mph (128.28 km/h) |
| 95 mph (152.89 km/h) | 84.14 mph (135.41 km/h) |
| 100 mph (160.93 km/h) | 88.57 mph (142.53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1834 | 2130 | 2294 | 2395 | 2505 | 2583 | 2668 | 2770 | 2910 | 3051 | 3207 | 3332 | 3558 | 3807 | 4003 | 4127 | 4198 | 4455 | 4814 | 5594 |
Better Fuel Economy Factory Ratios Increased Power
