840d xDrive Convertible
340 hp, 5,1 s 0-100 : among the 35 limousines 2019–2023, the 840d xDrive Convertible ranks 23th of 35 in 0–100 km/h, 24th of 35 in Top speed, 35th of 35 in Power-to-weight. Here is what the Caralogy simulations say.
Power
340hp
700 Nm
0 → 100 km/h
5.1s
VMax 250 km/h
Cons.
6.0L
/100 km
Tank
66L
Sur cette page
Technical identity card
Full specifications BMW 840d xDrive Convertible
Manufacturer data and values calibrated by the Caralogy simulation engine.
Powertrain
| Architecture | Unknown · 6 cyl. |
| Displacement | 2,993 cm\u00b3 |
| Power | 340 hp |
| Couple | 700 Nm |
| Gearbox | Torque Converter 8 rapports Automatic |
| Transmission | AWD |
Consumption
| Cons. WLTP | 6,0 L/100km |
| Tank | 66 L |
Performance
| 0 → 100 km/h | 5,1 s |
| VMax | 250 km/h |
Dimensions and environment
| Length | 4,843 mm |
| Wheelbase | 2,822 mm |
| Width | 1,902 mm |
| Height | 1,339 mm |
| Boot | 350 L |
| Kerb weight | 2,030 kg |
| Cd | 0.3 |
| CO₂ WLTP | 159 g/km |
Caralogy Methodology
Motorway and performance values calibrated by the Caralogy physics simulation engine (SCx, Crr, real torque curves).
See full methodology →Manufacturer data · motorway values calibrated by the Caralogy engine
Among the 35 limousines, the 840d xDrive Convertible ranks (mid-table) in acceleration. Caralogy simulates its real-world performance: motorway simulation, performance simulation and consumption simulation.
Caralogy Analysis · tailored to this vehicle
Acceleration: 5.1 s 0-100 (23th of 35 in 0–100 km/h)
In pure acceleration, the 840d xDrive Convertible ranks 23th of 35 in 0–100 km/h, 2.1 s off the reference Porsche Panamera Turbo S Sport Turismo (3.0 s).
Top speed: 250 km/h (24th of 35 in Top speed)
Top speed of 250 km/h. The segment reference reaches 315 km/h.
Go beyond this analysis
Recalculate everything for your own profile with the three physics simulators that power this page.
Running cost for your profile
Adjust mileage, driving mix and charging type to estimate your annual energy budget.
Launch simulator →Long-distance trip
Simulate any motorway trip: time, charging stops, total cost.
Simulate a trip →Chronos & accélération
0-100, 0-200, courbe de vitesse, positionnement segment.
Voir la performance →Duel against a rival
Calibrated drag race, speed stages, comparative technical analysis.
Start a duel →Segment positioning
Where the 840d xDrive Convertible stands against limousines
Comparison across 35 limousines marketed between 2019–2023.
0–100 km/h
23eout of 35
Top speed
24eout of 35
Power-to-weight
35eout of 35
Direct rivals (same segment, same energy)
A8 L 55 TFSI quattro tiptronic 250 kW MHEV
340 hp · 0-100 5.7 s
A8 55 TFSI quattro tiptronic 250 kW MHEV
340 hp · 0-100 5.6 s
Panamera
335 hp · 0-100 5.3 s
Panamera 4 Sport Turismo
330 hp · 0-100 5.1 s
Cross-energy alternatives
Same needs, different powertrain.
840i xDrive Convertible
333 hp · 0-100 5.2 s
S 450 e Limousine mit EQ Hybrid Technologie Langversion
435 hp · 0-100 5.7 s
S 350 d 4MATIC Limousine Langversion
313 hp · 0-100 5.4 s
S 450 d 4MATIC Limousine Langversion
367 hp · 0-100 5.1 s
S 500 4MATIC Saloon, long version
449 hp · 0-100 4.5 s
S 450 e Saloon
435 hp · 0-100 5.7 s
Model family
The full BMW 8 Series G15 range
Generation G15 launched in 2019. Available versions sorted by energy.
Other versions of the G15
Compare
Popular duels involving the 840d xDrive Convertible
Take the next step
Find a 840d xDrive Convertible or value yours
Caralogy receives no commission on these external links.
Frequently asked questions
BMW 840d xDrive Convertible: what you need to know
Well-argued answers to the most asked questions about this model, based on Caralogy data and simulations.
Among the 35 limousines 2019–2023, the 840d xDrive Convertible ranks 23th of 35 in 0–100 km/h (5.1 s, behind the Porsche Panamera Turbo S Sport Turismo), 24th of 35 in Top speed (250 km/h, behind the Porsche Panamera Turbo S Executive), 35th of 35 in Power-to-weight (167 hp/t, behind the Bmw M8 Competition Gran Coupe).
Running costs depend on your profile (mileage, charging type, city/highway mix). Use the Caralogy consumption simulator for a personalised estimate.
The Porsche Panamera Turbo S Sport Turismo leads in 0–100 km/h (3.0 s vs 5.1 s). The choice depends on your priorities: check the 840d xDrive Convertible vs Porsche Panamera Turbo S Sport Turismo duel for a detailed comparison.
Caralogy does not reproduce manufacturer figures: we recalculate every number through physics simulation, starting from SCx, mass and the power curve. This is why our figures at 130 km/h differ from WLTP. Full methodology on the dedicated page.