Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/80-15 | 235/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 25.39 (645) | 26.1 (663) | 0.71 (18) 2.8% |
| Width inches (mm) | 6.5 (165) | 9.25 (235) | 2.76 (70) 42.4% |
| Circum. inches (mm) | 79.78 (2026.33) | 82 (2082.88) | 2.23 (56.55) 2.8% |
| Sidewall Height inches (mm) | 5.2 (132) | 5.55 (141) | 0.35 (9) 6.8% |
| Revolutions per mile (km) | 794.22 (493.5) | 772.65 (480.1) | -21.56 (-13.4) -2.7% |
235/60-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.56 mph (33.09 km/h) |
| 25 mph (40.23 km/h) | 25.7 mph (41.36 km/h) |
| 30 mph (48.28 km/h) | 30.84 mph (49.63 km/h) |
| 35 mph (56.33 km/h) | 35.98 mph (57.9 km/h) |
| 40 mph (64.37 km/h) | 41.12 mph (66.17 km/h) |
| 45 mph (72.42 km/h) | 46.26 mph (74.44 km/h) |
| 50 mph (80.47 km/h) | 51.4 mph (82.71 km/h) |
| 55 mph (88.51 km/h) | 56.53 mph (90.98 km/h) |
| 60 mph (96.56 km/h) | 61.67 mph (99.26 km/h) |
| 65 mph (104.61 km/h) | 66.81 mph (107.53 km/h) |
| 70 mph (112.65 km/h) | 71.95 mph (115.8 km/h) |
| 75 mph (120.7 km/h) | 77.09 mph (124.07 km/h) |
| 80 mph (128.75 km/h) | 82.23 mph (132.34 km/h) |
| 85 mph (136.79 km/h) | 87.37 mph (140.61 km/h) |
| 90 mph (144.84 km/h) | 92.51 mph (148.88 km/h) |
| 95 mph (152.89 km/h) | 97.65 mph (157.15 km/h) |
| 100 mph (160.93 km/h) | 102.79 mph (165.43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1966 | 2284 | 2460 | 2569 | 2686 | 2769 | 2862 | 2970 | 3121 | 3272 | 3439 | 3573 | 3815 | 4083 | 4292 | 4426 | 4501 | 4778 | 5162 | 5999 |
Better Fuel Economy Factory Ratios Increased Power
