Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 225/55-15 | 275/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.74 (628.5) | 27.99 (711) | 3.25 (82.5) 13.1% |
| Width inches (mm) | 8.86 (225) | 10.83 (275) | 1.97 (50) 22.2% |
| Circum. inches (mm) | 77.74 (1974.49) | 87.94 (2233.67) | 10.2 (259.18) 13.1% |
| Sidewall Height inches (mm) | 4.87 (123.75) | 6.5 (165) | 1.62 (41.25) 33.3% |
| Revolutions per mile (km) | 815.07 (506.46) | 720.49 (447.69) | -94.58 (-58.77) -11.6% |
275/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.63 mph (36.41 km/h) |
| 25 mph (40.23 km/h) | 28.28 mph (45.51 km/h) |
| 30 mph (48.28 km/h) | 33.94 mph (54.62 km/h) |
| 35 mph (56.33 km/h) | 39.59 mph (63.72 km/h) |
| 40 mph (64.37 km/h) | 45.25 mph (72.82 km/h) |
| 45 mph (72.42 km/h) | 50.91 mph (81.93 km/h) |
| 50 mph (80.47 km/h) | 56.56 mph (91.03 km/h) |
| 55 mph (88.51 km/h) | 62.22 mph (100.13 km/h) |
| 60 mph (96.56 km/h) | 67.88 mph (109.24 km/h) |
| 65 mph (104.61 km/h) | 73.53 mph (118.34 km/h) |
| 70 mph (112.65 km/h) | 79.19 mph (127.44 km/h) |
| 75 mph (120.7 km/h) | 84.84 mph (136.54 km/h) |
| 80 mph (128.75 km/h) | 90.5 mph (145.65 km/h) |
| 85 mph (136.79 km/h) | 96.16 mph (154.75 km/h) |
| 90 mph (144.84 km/h) | 101.81 mph (163.85 km/h) |
| 95 mph (152.89 km/h) | 107.47 mph (172.96 km/h) |
| 100 mph (160.93 km/h) | 113.13 mph (182.06 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
