The Driver’s Brief.
Observations from the road, the workshop, the auction floor, and the collector market.
- Current issue
- N° 10
- In print
- 11 pieces
- Updated
- 03 Sep 2026
- Written by
- Ralf G. Bahr · Matthias Hertel
The Driver’s Brief is the journal of RGB Motors: market insights, driving impressions, collector stories, travel notes and occasional essays shaped by decades in the world of exceptional automobiles.
Written without deadlines or algorithms, each piece is published only when there is something genuinely worth sharing.
Written with purpose.
Published when ready.
More from the desk.
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Archive 6 min read
Why the Porsche 993 Cup 3.8 RSR Has Become One of the World’s Most Collectible Porsche Race Cars
Factory provenance, scarcity and analogue usability explain why informed collectors are looking harder at Porsche Motorsport’s final air-cooled customer racer.
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Archive 2 min read
1997 Porsche 911 Cup 3.8 RSR: The Last Great Air-Cooled Factory Race Car
Explore the rare 1997 Porsche 911 Cup 3.8 RSR, one of only 45 built by Porsche Motorsport. Factory racer with documented history, available through RGB Motors.
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Owner’s Guide 5 min read
How to Sell Your Classic Car Without Leaving Your Garage
Why the best offer is rarely the highest one, and how professional representation moves a significant car without moving it at all.
Every piece, still in print.
11 of 11 pieces
- N° 10 Engineering Current When the Spirit of Porsche Motorsport Meets Modern Engineering A one-off 1974 Porsche 911S RSR Turbo Evocation pairs up to 620 hp with a 1,050 kg chassis, specialist engineering and German road registration. 03 Sep 2026 Ralf G. Bahr 5 min
- N° 09 Archive Why the Porsche 993 Cup 3.8 RSR Has Become One of the World’s Most Collectible Porsche Race Cars Factory provenance, scarcity and analogue usability explain why informed collectors are looking harder at Porsche Motorsport’s final air-cooled customer racer. 23 Aug 2026 Ralf G. Bahr 6 min
- N° 08 Archive 1997 Porsche 911 Cup 3.8 RSR: The Last Great Air-Cooled Factory Race Car Explore the rare 1997 Porsche 911 Cup 3.8 RSR, one of only 45 built by Porsche Motorsport. Factory racer with documented history, available through RGB Motors. 09 Aug 2026 Ralf G. Bahr 2 min
- N° 07 Owner’s Guide How to Sell Your Classic Car Without Leaving Your Garage Why the best offer is rarely the highest one, and how professional representation moves a significant car without moving it at all. 24 Jul 2026 Ralf G. Bahr 5 min
- N° 06 Buyer’s Guide Buying the Last Air-Cooled 911 What we tell every client before they buy a 993. The range, the money, the valve guides, and the cars worth waiting for. 20 Jul 2026 Ralf G. Bahr 8 min
- N° 04 Road Report Riding the Dragon Tail Three hundred Porsches. Three days. Three hundred and eighteen curves. A field report from the Rennsport Dragon Rally. 22 Apr 2026 Ralf G. Bahr 7 min
- N° 05 Road Report Featured A Lifelong Connection to the Nürburgring From a 50cc bike soaked in Eifel rain to endurance racing on the Nordschleife — and a practical guide to driving "The Green Hell" yourself. 15 Apr 2026 Ralf G. Bahr 11 min
- N° 04 Archive The Mamerow File How a 993 GT2 found its way from a German privateer paddock to a private collection — and what its second decade has to teach us. 08 Apr 2026 Matthias Hertel 9 min
- N° 03 Buyer’s Guide What We Look For in a 964 RSR A short field guide to the last twin-plug 911 race car. What matters, what does not, and how to read a service log. 14 Mar 2026 Ralf G. Bahr 6 min
- N° 03 Field Notes A Field Note from the 993 Cup Paddock The last air-cooled Cup cars are still racing. We spent a weekend in the paddock with the people keeping them on track. 26 Feb 2026 Matthias Hertel 5 min
- N° 02 Archive The 3.0 RS, Honestly The 1973 Carrera 3.0 RS is one of the most coveted Porsches in the world. It is also routinely misunderstood. A short appraisal. 30 Jan 2026 Ralf G. Bahr 8 min
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