Porsche and BMW have voiced concerns over the reliability of the high-voltage element of the one-make LMDh hybrid system going into this weekend’s Daytona 24 Hours. Their apprehension follows a spate of issues that have afflicted LMDh machinery and forced parts to be changed over the course of the pre-event Roar test last weekend and the opening two days of the IMSA SportsCar Championship curtain-raiser at Daytona this week.

The No. 24 BMW M Team RLL BMW M Hybrid V8 will start on the pole position for the 24-endurance race that opens the IMSA WeatherTech SportsCar championship season. This is BMW’s first pole position in Grand Touring Prototype, which is entering its third season as the premier class in IMSA.

The race got underway again 10 minutes into the hour after the FCY called for the Inter Europol ORECA stopping and it was another frantic restart with Mathieu Jaminet leading the train across the line in the No.

The report suggests Porsche won’t relocate existing production, but together with Audi will instead use the US as a base for the production of larger SUVs. We know Porsche is working on a flagship K1 SUV using the VW Group’s new Scalable Systems Platform (SSP) and Audi is sure to get a version of it.

BMW’s M5 has entered its hybrid era and now faces a new breed of rivals. How does it compare with another tech-packed German, Porsche’s Panamera Turbo E‑Hybrid?

Rolex 24 at Daytona International Speedway wrapped up Sunday, and Felipe Nasr and the No. 7 Penske Porsche repeated as champions.

The simple plug-and-play kit costs about $8700 and was created with input from the 993's designer, Tony Hatter.

Porsche, Cadillac, and BMW have all led the race for stretches, but the story of the first twelve hours is the heavy top-class attrition.

GTD: The No. 13 Corvette, with Matthew Bell aboard, leads, with a variety of makes behind him: Mercedes-AMG, Porsche 911, BMW M4, Aston Martin, Lamborghini, and Ferrari. Laurens Vanthoor in the No ...

Chevrolet joins SRO Motorsports Group’s global customer-driven manufacturer ranking, which features revised points

In the year that will mark six decades since Dan Gurney and AJ Foyt won the race in a GT40 Mk. IV, Ford is headed back to the world's greatest sports car race. Not just with a GT car, but with an LMDh-spec prototype, competing in the top class for the overall win.

Nasr outdueled Porsche Penske Motorsport teammate Matt Campbell to take the checkered flag in the No. 7 Porsche 963 for the second consecutive year. The Brazlilian won by 1.335 seconds over Tom Blomqvist. Campbell finished third as the last Grand Touring Prototype driver on the lead lap.