Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/60-17 | 275/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.05 (737.8) | 27.99 (711) | -1.06 (-26.8) -3.6% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 91.25 (2317.87) | 87.94 (2233.67) | -3.31 (-84.19) -3.6% |
| Sidewall Height inches (mm) | 6.02 (153) | 6.5 (165) | 0.47 (12) 7.8% |
| Revolutions per mile (km) | 694.32 (431.43) | 720.49 (447.69) | 26.17 (16.26) 3.8% |
275/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.27 mph (31.02 km/h) |
| 25 mph (40.23 km/h) | 24.09 mph (38.77 km/h) |
| 30 mph (48.28 km/h) | 28.91 mph (46.53 km/h) |
| 35 mph (56.33 km/h) | 33.73 mph (54.28 km/h) |
| 40 mph (64.37 km/h) | 38.55 mph (62.04 km/h) |
| 45 mph (72.42 km/h) | 43.37 mph (69.79 km/h) |
| 50 mph (80.47 km/h) | 48.18 mph (77.54 km/h) |
| 55 mph (88.51 km/h) | 53 mph (85.3 km/h) |
| 60 mph (96.56 km/h) | 57.82 mph (93.05 km/h) |
| 65 mph (104.61 km/h) | 62.64 mph (100.81 km/h) |
| 70 mph (112.65 km/h) | 67.46 mph (108.56 km/h) |
| 75 mph (120.7 km/h) | 72.28 mph (116.32 km/h) |
| 80 mph (128.75 km/h) | 77.09 mph (124.07 km/h) |
| 85 mph (136.79 km/h) | 81.91 mph (131.83 km/h) |
| 90 mph (144.84 km/h) | 86.73 mph (139.58 km/h) |
| 95 mph (152.89 km/h) | 91.55 mph (147.33 km/h) |
| 100 mph (160.93 km/h) | 96.37 mph (155.09 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
