Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/70-15 | 275/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.06 (738) | 27.99 (711) | -1.06 (-27) -3.7% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 91.28 (2318.5) | 87.94 (2233.67) | -3.34 (-84.82) -3.7% |
| Sidewall Height inches (mm) | 7.03 (178.5) | 6.5 (165) | -0.53 (-13.5) -7.6% |
| Revolutions per mile (km) | 694.13 (431.31) | 720.49 (447.69) | 26.36 (16.38) 3.8% |
275/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.27 mph (31.01 km/h) |
| 25 mph (40.23 km/h) | 24.09 mph (38.76 km/h) |
| 30 mph (48.28 km/h) | 28.9 mph (46.51 km/h) |
| 35 mph (56.33 km/h) | 33.72 mph (54.27 km/h) |
| 40 mph (64.37 km/h) | 38.54 mph (62.02 km/h) |
| 45 mph (72.42 km/h) | 43.35 mph (69.77 km/h) |
| 50 mph (80.47 km/h) | 48.17 mph (77.52 km/h) |
| 55 mph (88.51 km/h) | 52.99 mph (85.28 km/h) |
| 60 mph (96.56 km/h) | 57.8 mph (93.03 km/h) |
| 65 mph (104.61 km/h) | 62.62 mph (100.78 km/h) |
| 70 mph (112.65 km/h) | 67.44 mph (108.53 km/h) |
| 75 mph (120.7 km/h) | 72.26 mph (116.29 km/h) |
| 80 mph (128.75 km/h) | 77.07 mph (124.04 km/h) |
| 85 mph (136.79 km/h) | 81.89 mph (131.79 km/h) |
| 90 mph (144.84 km/h) | 86.71 mph (139.54 km/h) |
| 95 mph (152.89 km/h) | 91.52 mph (147.29 km/h) |
| 100 mph (160.93 km/h) | 96.34 mph (155.05 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
