Park a 2000 model next to its 2026 successor and the difference is hard to miss. We measured it: averaging the specifications of every trim in our database from 2000 through 2026 — more than 20,000 vehicles — the average new vehicle has grown about 4 inches wider, gained 786 pounds, and picked up 80% more horsepower.
Width: 4 inches in 26 years
Average overall width climbed from 71.3 inches in 2000 to 75.4 inches in 2026. That sounds small until you apply it to the road: lanes didn't get wider, and neither did most garages or parking spaces.
Average overall width (inches), all trims per model year, 2000–2026.
Weight: flat for a decade, then a sharp climb
Weight tells a more interesting story than a straight line. It rose through the 2000s, then actually flattened and dipped between 2010 and 2015 — the era of aluminum bodies and aggressive downsizing. Since 2019 it has climbed faster than at any point in the data, from 4,017 lb to 4,454 lb in seven years. Electrification is a big part of that: battery packs are heavy, and EVs and plug-in hybrids are an increasing share of new trims.
Average curb weight (lb), all trims per model year, 2000–2026.
Today's compact is yesterday's mid-size
Fleet averages can be skewed by what people buy, so here is the cleaner test: the same nameplate, then and now.
| Nameplate | Then | Now (2026) | Change |
|---|---|---|---|
| Honda Civic | 1992: 66.9" wide, 2,303 lb, 110 hp | 70.9" wide, 3,072 lb, 216 hp | +769 lb |
| Toyota Corolla | 2000: 66.7" wide, 2,443 lb, 125 hp | 70.1" wide, 3,003 lb, 154 hp | +560 lb |
| Honda Accord | 1990: 69.1" wide, 2,763 lb, 132 hp | 73.3" wide, 3,270 lb, 192 hp | +507 lb |
| Toyota Camry | 2000: 70.1" wide, 3,130 lb, 153 hp | 72.4" wide, 3,515 lb, 229 hp | +385 lb |
| Toyota RAV4 | 2000: 66.7" wide, 2,680 lb, 127 hp | 73.0" wide, 3,897 lb, 254 hp | +1,217 lb |
| Honda CR-V | 1997: 68.9" wide, 3,115 lb, 126 hp | 73.0" wide, 3,639 lb, 197 hp | +524 lb |
| Ford F-150 | 1992: 79.0" wide, 4,200 lb, 180 hp | 80.6" wide, 5,052 lb, 392 hp | +852 lb |
The pattern that jumps out: a 2026 Civic is wider and heavier than a 1990 Accord. A 2026 Corolla is exactly as wide as a 2000 Camry, to the tenth of an inch. The names stayed in place; the cars moved up a full size class underneath them.
It isn't just the SUV shift
An easy objection is that the average moved because buyers switched from sedans to SUVs. The mix did shift — but each class also grew on its own:
| Class | 2000 avg | 2026 avg | Weight change |
|---|---|---|---|
| Mid-size sedan | 68.9" / 3,073 lb / 166 hp | 72.0" / 3,550 lb / 264 hp | +477 lb |
| Small SUV | 69.1" / 3,127 lb / 152 hp | 73.0" / 3,917 lb / 256 hp | +790 lb |
| Mid-size SUV | 71.1" / 4,101 lb / 192 hp | 77.3" / 4,788 lb / 350 hp | +687 lb |
Meanwhile, the small car is disappearing
In 2000 our database lists 23 small-sedan trims on sale. For 2026 it lists 5. The segment that used to anchor the bottom of the market has nearly emptied out — which itself pushes every fleet-wide average up.
Horsepower: +80%, without the fuel-economy penalty
Average output rose from 206 hp in 2000 to 370 hp in 2026. What makes that remarkable is that fuel economy improved over the same stretch — turbocharging, hybridization, and electrification broke the old horsepower-versus-economy trade-off.
Methodology & citing this data
Figures are unweighted averages across every trim in the AutoRooster specification database for each model year (20,000+ trims, 2000–2026), using manufacturer overall width and curb weight. They describe what was offered for sale, not sales-weighted fleet composition. Nameplate rows average all trims of that model for the years shown. Feel free to cite or reference these figures with a link to this page; for per-model data, every vehicle's full specifications and true-to-scale 3D size comparison are free on AutoRooster.