Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/70-17 | 235/45-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 31.61 (802.8) | 25.33 (643.3) | -6.28 (-159.5) -19.9% |
| Width inches (mm) | 10.43 (265) | 9.25 (235) | -1.18 (-30) -11.3% |
| Circum. inches (mm) | 99.29 (2522.07) | 79.57 (2020.99) | -19.73 (-501.08) -19.9% |
| Sidewall Height inches (mm) | 7.3 (185.5) | 4.16 (105.75) | -3.14 (-79.75) -43% |
| Revolutions per mile (km) | 638.1 (396.5) | 796.32 (494.81) | 158.21 (98.31) 24.8% |
235/45-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.03 mph (25.79 km/h) |
| 25 mph (40.23 km/h) | 20.03 mph (32.24 km/h) |
| 30 mph (48.28 km/h) | 24.04 mph (38.69 km/h) |
| 35 mph (56.33 km/h) | 28.05 mph (45.14 km/h) |
| 40 mph (64.37 km/h) | 32.05 mph (51.58 km/h) |
| 45 mph (72.42 km/h) | 36.06 mph (58.03 km/h) |
| 50 mph (80.47 km/h) | 40.07 mph (64.48 km/h) |
| 55 mph (88.51 km/h) | 44.07 mph (70.93 km/h) |
| 60 mph (96.56 km/h) | 48.08 mph (77.38 km/h) |
| 65 mph (104.61 km/h) | 52.09 mph (83.82 km/h) |
| 70 mph (112.65 km/h) | 56.09 mph (90.27 km/h) |
| 75 mph (120.7 km/h) | 60.1 mph (96.72 km/h) |
| 80 mph (128.75 km/h) | 64.11 mph (103.17 km/h) |
| 85 mph (136.79 km/h) | 68.11 mph (109.62 km/h) |
| 90 mph (144.84 km/h) | 72.12 mph (116.06 km/h) |
| 95 mph (152.89 km/h) | 76.13 mph (122.51 km/h) |
| 100 mph (160.93 km/h) | 80.13 mph (128.96 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 2354 | 2535 | 2647 | 2768 | 2854 | 2949 | 3061 | 3216 | 3372 | 3544 | 3682 | 3932 | 4208 | 4424 | 4562 | 4639 | 4924 | 5321 | 6183 |
Better Fuel Economy Factory Ratios Increased Power
