BMW R18 vs Triumph Thunderbird: specs compared
Side-by-side specs of the BMW R18 (2021-2025) and the Triumph Thunderbird (2019), using the latest model year of each.
Key differences
- Power: BMW R18 91 hp, Triumph Thunderbird 94 hp.
- Torque: BMW R18 158 Nm, Triumph Thunderbird 151 Nm.
Key figures
Power hp
- BMW R18 (2021-2025)91
- Triumph Thunderbird (2019)94 (best)
Torque Nm
- BMW R18 (2021-2025)158 (best)
- Triumph Thunderbird (2019)151
Weight kg
- BMW R18 (2021-2025)427.3
- Triumph Thunderbird (2019)317
Not ranked: these figures mix dry and wet weights, or don't state which.
Full specs
| Specification |  2021-2025 · Transcontinental Remove |  2019 · Commander Remove |
|---|---|---|
| Category | Cruiser | Cruiser |
| Years | 2021-2025 | 2019 |
| Engine | 1802cc air/oil-cooled flat-twin "Big Boxer" | 1699.0 ccm (103.67 cubic inches), Twin, four-stroke, 270º firing interval, Injection. Multipoint sequential electronic fuel injection. progressive linkage on throttle |
| Cylinders | 2 | 2 |
| Displacement | 1,802 cc | 1,699 cc |
| Power | 91 hp @ 4,750 rpm | 94 hp @ 5,400 rpmBest |
| Torque | 158 Nm @ 3,000 rpmBest | 151 Nm @ 3,550 rpm |
| Transmission | 6-speed manual with overdrive top gear, shaft final drive | 6-speed, Wet. multi-plate, Belt (final drive) |
| Final drive | shaft | belt |
| Weight | 427.3 kg (wet) | 317 kg (dry) |
| Seat height | 739 mm | 700 mm |
| Fuel capacity | 23.8 LBest | 22 L |
| Front suspension | 49mm telescopic fork, no rider-adjustable preload or damping by design, 120mm (4.7in) travel | Showa 47mm forks. |
| Rear suspension | Cantilever strut under seat w/ travel-dependent (progressive) damping and automatic load compensation, no rider adjustment | Showa chromed spring twin shocks with 5 position adjustable preload. |
| Brake system | BMW Motorrad Full Integral ABS standard | ABS |
| Front brake | Dual 300mm discs, four-piston fixed calipers | Double disc. Nissin 4-piston fixed calipers. ABS., 310 mm |
| Rear brake | Single 300mm disc, four-piston fixed caliper | Single disc. Brembo 2-piston floating caliper. ABS, 310 mm |
| Front tire | 120/70-19 | 140/75-R17 |
| Rear tire | 180/65-16 | 200/50-R17 |
| Quickshifter | No | Not available |
| Launch price | USD 24,995 (US) | Not available |
- Weight: Not ranked: these figures mix dry and wet weights, or don't state which.