---
title: "Double-decker bus vs semi truck — size, weight and speed compa"
description: "Semi truck is somewhat greater than double-decker bus on weight — about 1.2×. Compared on 4 measured properties, with the full range and a source for each."
url: https://atoneplace.net/vs/double-decker-bus-vs-semi-truck/
site: "At One Place"
---

# Double-decker bus vs Semi truck

**Double-decker bus vs semi truck: Semi truck is larger on weight**

Semi truck is somewhat greater than double-decker bus on weight — about 1.2×.

A double-decker bus and a semi truck can be compared on 4 measures. The figures below are typical adult or full-size values, with the larger of the two in bold.

## Side by side

*Larger value in bold. Ranges reflect genuine variation, not uncertainty.*

|  | Double-decker bus | Semi truck |
| --- | --- | --- |
| Weight | 12.65 t | 12,000–36,290 kg |
| Height | 4.39 m | 390–430 cm |
| Length | 8.4–12 m | 1,600–2,525 cm |
| Width | 2.52 m | 260 cm |

## What the numbers say

- Semi truck is somewhat greater than double-decker bus on weight — about 1.2×.
- Double-decker bus and semi truck are near enough identical on height.
- Semi truck is 2× double-decker bus on length.
- Double-decker bus and semi truck are near enough identical on width.

*Weight compared.*

- Semi truck: 12,000–36,290 kg
- Double-decker bus: 12.65 t

## Double-decker bus

A London double-decker in the class of the New Routemaster; the classic 1954 Routemaster was slightly shorter.

## Semi truck

A tractor unit coupled to a semi-trailer through a fifth wheel, the standard long-haul road freight vehicle.

> This is a comparison of published measurements, nothing more. It describes how two things differ on measures that have been recorded; it does not predict how they would fare against each other in any situation.

## Common questions

### Which is bigger, double-decker bus or semi truck?

Semi truck is somewhat greater than double-decker bus on weight — about 1.2×. Both figures are typical values; the full range for each is in the table above.

### How do double-decker buses and semi trucks compare on height?

Double-decker bus: 4.39 m. Semi truck: 390–430 cm. Double-decker bus and semi truck are near enough identical on height.

### How do double-decker buses and semi trucks compare on length?

Double-decker bus: 8.4–12 m. Semi truck: 1,600–2,525 cm. Semi truck is 2× double-decker bus on length.

## Related pages

- [Fire truck vs semi truck](https://atoneplace.net/vs/fire-truck-vs-semi-truck/)
- [City bus vs semi truck](https://atoneplace.net/vs/city-bus-vs-semi-truck/)
- [School bus vs semi truck](https://atoneplace.net/vs/school-bus-vs-semi-truck/)
- [Double-decker bus vs school bus](https://atoneplace.net/vs/double-decker-bus-vs-school-bus/)
- [Garbage truck vs semi truck](https://atoneplace.net/vs/garbage-truck-vs-semi-truck/)

## Sources

- Typical range compiled from manufacturer specifications — At One Place (/about/)