1975 BMW R 75-6

Specifications
- Category
- Classic
- Displacement
- 745.0 ccm (45.46 cubic inches)
- Displacement (cc)
- 745.00
- Engine details
- Two cylinder boxer, four-stroke
- Power
- 50.0 HP (36.5 kW) @ 6200 RPM
- Top speed
- 181.0 km/h (112.5 mph)
- Compression
- 9.0:1
- Bore × stroke
- 82.0 x 70.6 mm (3.2 x 2.8 inches)
- Valves/cyl
- 2.0
- Fuel control
- Overhead Valves (OHV)
- Cooling
- Air
- Gearbox
- 5-speed
- Transmission
- Shaft drive (cardan) (final drive)
- Front tyre
- 3.25-19
- Rear tyre
- 4.00-18
- Front brakes
- Single disc
- Rear brakes
- Expanding brake
- Wet weight
- 227.0 kg (500.4 pounds)
- Fuel capacity
- 18.00 litres (4.76 US gallons)
The 1975 BMW R 75-6
1975 BMW R 75-6 sits in the middle of BMW's airhead lineup from the period, a mid-displacement shaft-drive twin built for riders who wanted real touring range without the bulk of the bigger boxers. This is a bike that rewards steady-state riding: long highway stretches, mountain passes taken at a relaxed pace, gear loaded on the back for a week away from home. The shaft drive means no chain to adjust or lube on the road, and the boxer engine's low center of gravity makes the bike feel more settled than its weight suggests once you're moving. It's not a bike built for aggressive cornering, but it holds a line confidently and shrugs off rough pavement better than most of its contemporaries. The 1975 model carried over without significant mechanical changes from the prior year — buyers comparing it to a 1974 example should focus on mileage, service history, and condition rather than spec differences. Today's buyer is typically someone with prior riding experience looking for a mechanically simple, air-cooled classic to maintain and ride regularly rather than store. Collector interest remains moderate, so a clean 1975 BMW R 75-6 tends to attract riders first, investors second.
Auction history
| Date | Listing | Price | Mileage | Source |
|---|---|---|---|---|
| Jul 19, 2026 | 1976 BMW R75/6 | $3,476 | — | Bring a Trailer |
| Nov 29, 2025 | Modified 1976 BMW R75/6 | $6,500 | — | Bring a Trailer |
| Aug 4, 2025 | 1976 BMW R75/6 | $4,100 | — | Bring a Trailer |
| Jul 28, 2025 | 1975 BMW R75/6 Cafe Racer | $4,850 | — | Bring a Trailer |
| Jul 24, 2025 | 1976 BMW R75/6 | $3,415 | — | Bring a Trailer |
| Jun 29, 2025 | 1975 BMW R75/6 | $5,618 | — | Bring a Trailer |
| May 24, 2025 | 1976 BMW R75/6 | $3,500 | — | Bring a Trailer |
| May 12, 2025 | 1975 BMW R75/6 | $6,000 | — | Bring a Trailer |
| Oct 17, 2024 | 1976 BMW R75/6 | $2,700 | — | Bring a Trailer |
| Sep 10, 2024 | 1976 BMW R75/6 | $6,000 | — | Bring a Trailer |
| Jul 30, 2024 | 1975 BMW R75/6 w/Pop Dreyer Sidecar | $5,100 | — | Bring a Trailer |
| Jun 19, 2024 | 1976 BMW R75/6 | $5,750 | — | Bring a Trailer |
| Nov 10, 2023 | 1976 BMW R75/6 | $6,850 | — | Bring a Trailer |
| Nov 9, 2023 | 1975 BMW R75/6 Cafe Racer | $7,800 | — | Bring a Trailer |
| Sep 6, 2023 | Original-Owner 1975 BMW R75/6 | $4,600 | — | Bring a Trailer |
| Sep 4, 2023 | 1975 BMW R75/6 Cafe Racer | $7,300 | — | Bring a Trailer |
| Nov 29, 2022 | 1975 BMW R75/6 | $7,700 | — | Bring a Trailer |
| Mar 24, 2022 | 1975 BMW R75/6 | $8,000 | — | Bring a Trailer |
| Mar 17, 2022 | 1975 BMW R75/6 | $6,200 | — | Bring a Trailer |
| Jan 6, 2022 | 1976 BMW R75/6 | $7,500 | — | Bring a Trailer |
| Dec 15, 2021 | Modified 1976 BMW R75/6 | $6,500 | — | Bring a Trailer |
| Oct 27, 2021 | 1975 BMW R75/6 | $6,200 | — | Bring a Trailer |
| Jun 16, 2021 | 1975 BMW R75/6 | $5,322 | — | Bring a Trailer |
| Nov 20, 2020 | 1976 BMW R75/6 | $6,851 | — | Bring a Trailer |
| Mar 25, 2020 | 1976 BMW R75/6 | $12,250 | — | Bring a Trailer |
| Oct 31, 2019 | 1975 BMW R75/6 | $3,900 | — | Bring a Trailer |
| May 26, 2017 | 1975 BMW R75/6 | $4,900 | — | Bring a Trailer |

