Used 2021 BMW 1 Series 128ti for sale nationwide
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The CarGurus Editorial Team
BMW 1 Series vs BMW 3 Series: Which is better?
The BMW 1 Series and BMW 3 Series are both hugely popular. But how do they compare? From practicality to driving impressions, we examine both to help you decide which might be a better fit.
The CarGurus Editorial Team
BMW 1 Series vs Audi A3: Which is better?
In this comparison of the BMW 1 Series and Audi A3 we evaluate practicality, driving dynamics, technology and running costs, and offer an overall verdict as to which is the best buy.
CarGurus Editorial Team
BMW 1 Series vs Mercedes-Benz A-Class: Which is better?
The BMW 1 Series and Mercedes-Benz A-Class add a prestige image to the family hatchback class. Find out how they compare.
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![2022 BMW 1 Series 118i [136] M Sport 5dr Step Auto [lcp]](https://static-eu.cargurus.com/images/forsale/2026/05/23/14/41/2022_bmw_1_series-pic-2413736905572850518-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
![2023 BMW 1 Series 118i [136] M Sport 5dr [live Cockpit Professional]](https://static-eu.cargurus.com/images/forsale/2026/06/17/08/06/2023_bmw_1_series-pic-2222461961852889944-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
![2019 BMW 1 Series 118i [1.5] Sport 5dr [nav/servotronic]](https://static-eu.cargurus.com/images/forsale/2026/06/15/00/15/2019_bmw_1_series-pic-76957643952022765-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
![2022 BMW 1 Series 118i [136] M Sport 5dr Step Auto [lcp]](https://static-eu.cargurus.com/images/forsale/2026/03/08/12/15/2022_bmw_1_series-pic-6898248181765772502-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
![2024 BMW 1 Series 118i [136] M Sport 5dr Step Auto [lcp]](https://static-eu.cargurus.com/images/forsale/2026/07/02/14/33/2024_bmw_1_series-pic-2256793817187156682-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
![2023 BMW 1 Series 118i [136] Sport 5dr Step Auto [live Cockpit Pro]](https://static-eu.cargurus.com/images/forsale/2025/12/21/15/23/2023_bmw_1_series-pic-6012379420496313929-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
![2021 BMW 1 Series 118i [136] M Sport 5dr Step Auto](https://static-eu.cargurus.com/images/forsale/2026/06/12/14/34/2021_bmw_1_series-pic-5323464149296482048-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
![2024 BMW 1 Series 118i [136] M Sport 5dr Step Auto [lcp]](https://static-eu.cargurus.com/images/forsale/2026/05/23/07/47/2024_bmw_1_series-pic-1850737950001342636-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
![2024 BMW 1 Series 118i [136] M Sport 5dr Step Auto [lcp]](https://static-eu.cargurus.com/images/forsale/2026/05/28/07/48/2024_bmw_1_series-pic-7380212618017588800-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
![2024 BMW 1 Series 118i [136] M Sport 5dr Step Auto [lcp]](https://static-assets.cargurus.com/images/site-cars/no-image-placeholder_c80f77463a1c0559e4735b57ed1d96ec8ff77ec6bce5b247bb733c96e18316b7.svg_09568b15a17955ae746cd5eecca394230418525f04876ca54ce21146bea353e9.svg)