Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/35-18 | 275/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.58 (649.7) | 27.99 (711) | 2.41 (61.3) 9.4% |
| Width inches (mm) | 10.83 (275) | 10.83 (275) | 0 (0) 0% |
| Circum. inches (mm) | 80.36 (2041.09) | 87.94 (2233.67) | 7.58 (192.58) 9.4% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 6.5 (165) | 2.71 (68.75) 71.4% |
| Revolutions per mile (km) | 788.47 (489.93) | 720.49 (447.69) | -67.98 (-42.24) -8.6% |
275/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.89 mph (35.22 km/h) |
| 25 mph (40.23 km/h) | 27.36 mph (44.03 km/h) |
| 30 mph (48.28 km/h) | 32.83 mph (52.84 km/h) |
| 35 mph (56.33 km/h) | 38.3 mph (61.64 km/h) |
| 40 mph (64.37 km/h) | 43.77 mph (70.45 km/h) |
| 45 mph (72.42 km/h) | 49.25 mph (79.25 km/h) |
| 50 mph (80.47 km/h) | 54.72 mph (88.06 km/h) |
| 55 mph (88.51 km/h) | 60.19 mph (96.87 km/h) |
| 60 mph (96.56 km/h) | 65.66 mph (105.67 km/h) |
| 65 mph (104.61 km/h) | 71.13 mph (114.48 km/h) |
| 70 mph (112.65 km/h) | 76.6 mph (123.28 km/h) |
| 75 mph (120.7 km/h) | 82.08 mph (132.09 km/h) |
| 80 mph (128.75 km/h) | 87.55 mph (140.9 km/h) |
| 85 mph (136.79 km/h) | 93.02 mph (149.7 km/h) |
| 90 mph (144.84 km/h) | 98.49 mph (158.51 km/h) |
| 95 mph (152.89 km/h) | 103.96 mph (167.31 km/h) |
| 100 mph (160.93 km/h) | 109.44 mph (176.12 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
