Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/40-14 | 155/70-14 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.14 (511.6) | 22.54 (572.6) | 2.4 (61) 11.9% |
| Width inches (mm) | 7.68 (195) | 6.1 (155) | -1.57 (-40) -20.5% |
| Circum. inches (mm) | 63.28 (1607.24) | 70.82 (1798.88) | 7.54 (191.64) 11.9% |
| Sidewall Height inches (mm) | 3.07 (78) | 4.27 (108.5) | 1.2 (30.5) 39.1% |
| Revolutions per mile (km) | 1001.31 (622.18) | 894.64 (555.9) | -106.67 (-66.28) -10.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.38 mph (36.02 km/h) |
| 25 mph (40.23 km/h) | 27.98 mph (45.03 km/h) |
| 30 mph (48.28 km/h) | 33.58 mph (54.04 km/h) |
| 35 mph (56.33 km/h) | 39.17 mph (63.04 km/h) |
| 40 mph (64.37 km/h) | 44.77 mph (72.05 km/h) |
| 45 mph (72.42 km/h) | 50.37 mph (81.06 km/h) |
| 50 mph (80.47 km/h) | 55.96 mph (90.06 km/h) |
| 55 mph (88.51 km/h) | 61.56 mph (99.07 km/h) |
| 60 mph (96.56 km/h) | 67.15 mph (108.07 km/h) |
| 65 mph (104.61 km/h) | 72.75 mph (117.08 km/h) |
| 70 mph (112.65 km/h) | 78.35 mph (126.09 km/h) |
| 75 mph (120.7 km/h) | 83.94 mph (135.09 km/h) |
| 80 mph (128.75 km/h) | 89.54 mph (144.1 km/h) |
| 85 mph (136.79 km/h) | 95.13 mph (153.11 km/h) |
| 90 mph (144.84 km/h) | 100.73 mph (162.11 km/h) |
| 95 mph (152.89 km/h) | 106.33 mph (171.12 km/h) |
| 100 mph (160.93 km/h) | 111.92 mph (180.12 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2277 | 2645 | 2848 | 2974 | 3110 | 3207 | 3313 | 3439 | 3614 | 3788 | 3982 | 4137 | 4418 | 4728 | 4970 | 5125 | 5212 | 5532 | 5978 | 6946 |
Better Fuel Economy Factory Ratios Increased Power
