Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 180/60-18 | 195/60-19 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.5 (673.2) | 28.21 (716.6) | 1.71 (43.4) 6.4% |
| Width inches (mm) | 7.09 (180) | 7.68 (195) | 0.59 (15) 8.3% |
| Circum. inches (mm) | 83.26 (2114.92) | 88.63 (2251.27) | 5.37 (136.35) 6.4% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.61 (117) | 0.35 (9) 8.3% |
| Revolutions per mile (km) | 760.95 (472.83) | 714.86 (444.19) | -46.09 (-28.64) -6.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.29 mph (34.26 km/h) |
| 25 mph (40.23 km/h) | 26.61 mph (42.83 km/h) |
| 30 mph (48.28 km/h) | 31.93 mph (51.39 km/h) |
| 35 mph (56.33 km/h) | 37.26 mph (59.96 km/h) |
| 40 mph (64.37 km/h) | 42.58 mph (68.52 km/h) |
| 45 mph (72.42 km/h) | 47.9 mph (77.09 km/h) |
| 50 mph (80.47 km/h) | 53.22 mph (85.65 km/h) |
| 55 mph (88.51 km/h) | 58.55 mph (94.22 km/h) |
| 60 mph (96.56 km/h) | 63.87 mph (102.79 km/h) |
| 65 mph (104.61 km/h) | 69.19 mph (111.35 km/h) |
| 70 mph (112.65 km/h) | 74.51 mph (119.92 km/h) |
| 75 mph (120.7 km/h) | 79.84 mph (128.48 km/h) |
| 80 mph (128.75 km/h) | 85.16 mph (137.05 km/h) |
| 85 mph (136.79 km/h) | 90.48 mph (145.61 km/h) |
| 90 mph (144.84 km/h) | 95.8 mph (154.18 km/h) |
| 95 mph (152.89 km/h) | 101.12 mph (162.74 km/h) |
| 100 mph (160.93 km/h) | 106.45 mph (171.31 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1819 | 2113 | 2276 | 2377 | 2485 | 2562 | 2647 | 2748 | 2887 | 3027 | 3182 | 3306 | 3530 | 3778 | 3971 | 4095 | 4165 | 4420 | 4776 | 5550 |
Better Fuel Economy Factory Ratios Increased Power
