Miami
Feb 23, 1992- P4Doc Bundy #10Grid 7 Laps15green highlights
- P5Mike Brockman #11Grid 5 Laps15
- P23Bo Lemler Grid 15 Laps2DNF (accident)
Doc Bundy's Drivers' Championship — the high-water mark of the program.

1992 was the season the X180R reached the top. Racing as the “1992 model X180R,” LotuSport’s Esprits carried Doc Bundy to the IMSA Bridgestone Supercar Drivers’ Championship on 173 points to Hurley Haywood’s 157 — the high-water mark of the entire program, and the last major racing title Lotus would win. Across the eight-round series the team scored three wins (37.5 percent), three pole positions, three fastest laps, and eleven podium finishes over seven of the eight races, with Doc Bundy, Andy Pilgrim, David Murry, Mike Brockman, Bo Lemler, and Scott Lagasse sharing the cars. Backing came from Rexall Drug/Showcase International, Eclipse Mobile Electronics, International Surgical Systems, and Comm/Scope.
The Manufacturers’ Title Lotus Did Not Win | Accounts of this season — including, until recently, this one — have often credited Lotus with the 1992 Manufacturers’ Championship alongside Bundy’s Drivers’ title. The claim does not survive the sources, and the season-ending points table now shows exactly how it failed. Porsche won the 1992 manufacturers’ championship with 149 points. Lotus finished second with 146. Three points, across eight races and some fourteen thousand racing miles, separated the two marques.

That margin is the reason the myth was survivable for thirty years. Lotus lost the constructors’ title by less than the value of a single finishing position, in the same season one of its drivers won the drivers’ crown outright — and a team that close, celebrating that hard, is easily misremembered as having won both.
The primary record was never ambiguous, only quiet. Not one document produced by LotuSport or by Lotus Cars USA claims the manufacturers’ title. The press release Lotus issued on the day Bundy clinched, 11 October 1992, is headed “Lotus Drivers Win Two National Championships” — Bundy’s Supercar title and Tom Langeberg’s Koni Production Car Series in the Netherlands. Two drivers’ championships. A manufacturers’ title would have been the larger corporate boast, and it is absent from the very document written to boast.
What the Lotus documents show instead is a team that went into the following season still chasing it. Asked after the 1993 opener at Miami what the year held, Bundy — the reigning Drivers’ Champion, speaking in Lotus Cars USA’s own newsletter — named the manufacturers’ title not as something to defend, but as something to go and get.
Miami was a shock. We weren’t expecting it, but it gives us a solid base for the rest of the season. Our goal is the manufacturers title.
The same issue of The Lotus Letter advertises exactly one 1992 title, and it is Bundy’s: “Doc Bundy, 1992 Champion in the series.” David Murry’s reaction to winning at Atlanta the following April carries the same implication — “it’s great to add some points for Lotus in the Manufacturers’ Championship” — the register of a challenger, not a titleholder. And the 2020 dealer listing reproduced on the registry page for 52591001 had it right all along: Lotus finished “a close second… to Porsche.” Three points is as close as second gets.

The season ended at Del Mar on October 11, in the way that championships often do — not with a flourish but with a scramble. Doc Bundy started the final round third and finished second, and the title was his. What the results sheet does not record is what was happening to the car in the minutes before the flag.

That was Del Mar where Joe Grassi and myself had to change a fuel pump on the grid right at the start of the race — fun times.
The car went on to finish second, and Bundy left Del Mar as champion.
Doc Bundy — IMSA Bridgestone Supercar Drivers' Champion
Cars entered by LotuSport as the "1992 model X180R".
Also classified — final positions not recorded in the sources
Final points as published by World Sports Racing Prototypes, which lists the top ten only; Mike Brockman, Scott Lagasse and Bo Lemler scored but finished outside it, and their exact positions are not published. The round-by-round columns are blank in the source, so no per-race points breakdown exists in the accessible record.
Porsche took the manufacturers' title by three points. The round-by-round columns are blank in the source for 1992, so only season totals are recorded.