It was Lamborghini machinery at the top of the timesheets as the Barwell Motorsport Lamborghini Huracan GT3 Evo of Alex Martin and Sandy Mitchell set a time of 1m32.403s in wet and windy conditions.
The fastest lap was set on the car's 33rd lap, over three tenths ahead of the second-placed 2 Seas Motorsport Mercedes AMG GT3 Evo of Kevin Tse and Maximilian Gotz. Completing the top three was the Porsche 911 GT3 R (992) of Team Parker Racing's Nick Jones and Sven Muller, a further three tenths behind.
In fourth was Paddock Motorsport's McLaren 720S GT3 Evo, which Mark Smith shares with Martin Plowman, the last car to finish within one second of the quickest time. Rounding off the top five was the Optimum Motorsport McLaren of Morgan Tillbrook and Marvin Kirchhofer.
Under a tenth behind, sixth went to Rob Collard and Hugo Cook's Barwell Motorsport Lamborghini, with Giacomo Petrobelli and Jonny Adam's Blackthorn Aston Martin Vantage AMR GT3 Evo in close succession.
Eighth was the championship-leading 2 Seas Motorsport Mercedes of Charles Dawson and Kiern Jewiss, with Callum Macleod and Mike Price's Optimum McLaren over four tenths behind in ninth. Concluding the top ten was the father-son pairing of Richard and Sam Neary in their Team Abba Racing Mercedes-AMG GT3 Evo.
British GT Championship, Pre-Qualifying, Donington Park
1. Martin/Mitchell, Barwell Motorsport, Lamborghini Huracan GT3 Evo2, 1m32.403s
2. Tse/Gotz, 2 Seas Motorsport, Mercedes-AMG GT3 Evo, +0.314s
3. Jones/Muller, Team Parker Racing, Porsche 911 GT3 R (992), +0.646s
4. Smith/Plowman, Paddock Motorsport, McLaren 720S GT3 Evo, +0.818s
5. Tillbrook, Kirchhofer, Optimum Motorsport, McLaren 720S GT3 Evo, +1.130s
6. Collard/Cook, Barwell Motorsport, Lamborghini Huracan GT3 Evo2, +1.172s
7. Petrobelli/Adam, Blackthorn, Aston Martin Vantage AMR GT3 Evo , +1.264s
8. Dawson/Jewiss, 2 Seas Motorsport, Mercedes-AMG GT3 Evo, +1.295s
9. Price/Macleod, Optimum Motorsport, McLaren 720S GT3 Evo, +1.697s
10. Neary/Neary, Team Abba Racing, Mercedes-AMG GT3 Evo, +2.609s
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