The average new car grew from 4,296 mm long in the 1980–89 to 4,594 mm in the 2020–29 — 7% longer. Measured across 101,691 model variants.
Cars keep getting bigger: the average is 7% longer than in the 1980–89.
| Period | Length (mm) | Sample |
|---|---|---|
| 1980–89 | 4,296 | 6,232 |
| 1990–99 | 4,374 | 12,713 |
| 2000–09 | 4,413 | 29,621 |
| 2010–19 | 4,566 | 40,970 |
| 2020–29 | 4,594 | 12,155 |
Average manufacturer-quoted overall length (mm), grouped by decade of first model year. Values outside 2,500–6,000 mm are dropped as data errors. One row per variant.