Classes 168, 170, 171 and 172 are all developments of the BR Class 165 and 166 DMUs and were built for privatised operators by Bombardier in Derby from the late 1990s. Many are used on longer distance services such as Marylebone - Birmingham, Nottingham - Cardiff or Glasgow - Inverness.
- Class 458
- Class 444, 450
- Class 800 - 810
- Class 701
- Class 158, 159
- Class 455, 456
- Class 165, 166
- Class 220, 221, 222
- Class 491 4TC
- Class 345
- Class 390
- Class 397
- Class 375, 377, 379, 387
- Class 319, 769
- Class 185
- Class 325
- Class 350
- Class 150
- Class 707
- Class 180
- Class 156
- Class 423 4-VEP
- Class 442
- Class 421 4-CIG
- Class 320, 321, 322