Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 315/35-17 | 275/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.68 (652.3) | 27.99 (711) | 2.31 (58.7) 9% |
| Width inches (mm) | 12.4 (315) | 10.83 (275) | -1.57 (-40) -12.7% |
| Circum. inches (mm) | 80.68 (2049.26) | 87.94 (2233.67) | 7.26 (184.41) 9% |
| Sidewall Height inches (mm) | 4.34 (110.25) | 6.5 (165) | 2.16 (54.75) 49.7% |
| Revolutions per mile (km) | 785.33 (487.98) | 720.49 (447.69) | -64.84 (-40.29) -8.3% |
275/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.8 mph (35.08 km/h) |
| 25 mph (40.23 km/h) | 27.25 mph (43.85 km/h) |
| 30 mph (48.28 km/h) | 32.7 mph (52.63 km/h) |
| 35 mph (56.33 km/h) | 38.15 mph (61.4 km/h) |
| 40 mph (64.37 km/h) | 43.6 mph (70.17 km/h) |
| 45 mph (72.42 km/h) | 49.05 mph (78.94 km/h) |
| 50 mph (80.47 km/h) | 54.5 mph (87.71 km/h) |
| 55 mph (88.51 km/h) | 59.95 mph (96.48 km/h) |
| 60 mph (96.56 km/h) | 65.4 mph (105.25 km/h) |
| 65 mph (104.61 km/h) | 70.85 mph (114.02 km/h) |
| 70 mph (112.65 km/h) | 76.3 mph (122.79 km/h) |
| 75 mph (120.7 km/h) | 81.75 mph (131.56 km/h) |
| 80 mph (128.75 km/h) | 87.2 mph (140.33 km/h) |
| 85 mph (136.79 km/h) | 92.65 mph (149.1 km/h) |
| 90 mph (144.84 km/h) | 98.1 mph (157.88 km/h) |
| 95 mph (152.89 km/h) | 103.55 mph (166.65 km/h) |
| 100 mph (160.93 km/h) | 109 mph (175.42 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
