Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 285/70-15 | 275/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.71 (780) | 27.99 (711) | -2.72 (-69) -8.8% |
| Width inches (mm) | 11.22 (285) | 10.83 (275) | -0.39 (-10) -3.5% |
| Circum. inches (mm) | 96.47 (2450.44) | 87.94 (2233.67) | -8.53 (-216.77) -8.8% |
| Sidewall Height inches (mm) | 7.85 (199.5) | 6.5 (165) | -1.36 (-34.5) -17.3% |
| Revolutions per mile (km) | 656.76 (408.09) | 720.49 (447.69) | 63.74 (39.6) 9.7% |
275/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.23 mph (29.34 km/h) |
| 25 mph (40.23 km/h) | 22.79 mph (36.67 km/h) |
| 30 mph (48.28 km/h) | 27.35 mph (44.01 km/h) |
| 35 mph (56.33 km/h) | 31.9 mph (51.34 km/h) |
| 40 mph (64.37 km/h) | 36.46 mph (58.68 km/h) |
| 45 mph (72.42 km/h) | 41.02 mph (66.01 km/h) |
| 50 mph (80.47 km/h) | 45.58 mph (73.35 km/h) |
| 55 mph (88.51 km/h) | 50.13 mph (80.68 km/h) |
| 60 mph (96.56 km/h) | 54.69 mph (88.02 km/h) |
| 65 mph (104.61 km/h) | 59.25 mph (95.35 km/h) |
| 70 mph (112.65 km/h) | 63.81 mph (102.69 km/h) |
| 75 mph (120.7 km/h) | 68.37 mph (110.02 km/h) |
| 80 mph (128.75 km/h) | 72.92 mph (117.36 km/h) |
| 85 mph (136.79 km/h) | 77.48 mph (124.69 km/h) |
| 90 mph (144.84 km/h) | 82.04 mph (132.03 km/h) |
| 95 mph (152.89 km/h) | 86.6 mph (139.36 km/h) |
| 100 mph (160.93 km/h) | 91.15 mph (146.7 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
