
BMW 8 Series Convertible (G14)
Car comparison
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparison
BMW 8 Series Convertible (G14)

BMW 8 Series Convertible (G14)

BMW 8 Series Convertible (G14)

BMW 8 Series Convertible (G14)
Use the estimates as comparison hints and verify exact figures before making decisions.
| Model | BMW8 Series Convertible (G14)M850i (Stage 3)795 hp | BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | BMW8 Series Convertible (G14)M850i530 hp |
|---|---|---|---|---|
| Power | 795hp593kW+265 hp | 689hp514kW+159 hp | 625hp466kW+95 hp | 530hp395kW |
| Torque | 1,163Nm857lb-ft+413 Nm | 1,013Nm747lb-ft+263 Nm | 915Nm675lb-ft+165 Nm | 750Nm553lb-ft |
| Curb weight | 2,015kg4,442lb | 2,015kg4,442lb | 2,015kg4,442lb | 2,015kg4,442lb |
| Gross weight | 2,515kg5,545lb | 2,515kg5,545lb | 2,515kg5,545lb | 2,515kg5,545lb |
| Top speed | 292 km/h 181 mph | Unrestricted 290 km/h180 mph Restricted 280 km/h174 mph Calculated | 273 km/h 170 mph | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Calculated |
| To 99% top speed | 37.7s99% target: 289 km/h / 180 mph-12.6 s Calculated | 44.1s99% target: 287 km/h / 178 mph-6.2 s Calculated | 45.3s99% target: 270 km/h / 168 mph-5.1 s Calculated | 50.3s99% target: 257 km/h / 160 mph Calculated |
| 0-100 km/h | 3.0s-0.9 s | 3.3s-0.6 s | 3.5s-0.4 s | 3.9s |
| 0-200 km/h | 8.8s-4.9 s Calculated | 10.0s-3.7 s Calculated | 11.4s-2.3 s Calculated | 13.7s Calculated |
| 0-60 mph | 2.9s-0.8 s Calculated | 3.2s-0.5 s Calculated | 3.4s-0.4 s Calculated | 3.7s Calculated |
| Fuel consumption | 10L/100 km23.5mpg US28.2mpg UK | 10L/100 km23.5mpg US28.2mpg UK | 10L/100 km23.5mpg US28.2mpg UK | 10L/100 km23.5mpg US28.2mpg UK |
| Fuel consumption city | 13.6L/100 km17.3mpg US20.8mpg UK | 13.6L/100 km17.3mpg US20.8mpg UK | 13.6L/100 km17.3mpg US20.8mpg UK | 13.6L/100 km17.3mpg US20.8mpg UK |
| Fuel consumption highway | 8L/100 km29.4mpg US35.3mpg UK | 8L/100 km29.4mpg US35.3mpg UK | 8L/100 km29.4mpg US35.3mpg UK | 8L/100 km29.4mpg US35.3mpg UK |
| Quarter mile | 10.6s-1.4 s Calculated | 11.0s-0.9 s Calculated | 11.4s-0.6 s Calculated | 12.0s Calculated |
| Power-to-weight | 395hp/t294kW/t179hp/1000 lb Calculated | 342hp/t255kW/t155hp/1000 lb Calculated | 310hp/t231kW/t141hp/1000 lb Calculated | 263hp/t196kW/t119hp/1000 lb Calculated |
| Torque-to-weight | 577Nm/t386lb-ft/ton Calculated | 502Nm/t336lb-ft/ton Calculated | 454Nm/t304lb-ft/ton Calculated | 372Nm/t249lb-ft/ton Calculated |
| Estimated range | 680km423mi Calculated | 680km423mi Calculated | 680km423mi Calculated | 680km423mi Calculated |
| Displacement | 4,395cc268cu in | 4,395cc268cu in | 4,395cc268cu in | 4,395cc268cu in |
| Length | 4,851mm191in | 4,851mm191in | 4,851mm191in | 4,851mm191in |
| Width | 1,902mm75in | 1,902mm75in | 1,902mm75in | 1,902mm75in |
| Height | 1,345mm53in | 1,345mm53in | 1,345mm53in | 1,345mm53in |
| Wheelbase | 2,822mm111in | 2,822mm111in | 2,822mm111in | 2,822mm111in |
| Front track | 1,627mm64in | 1,627mm64in | 1,627mm64in | 1,627mm64in |
| Rear track | 1,642mm65in | 1,642mm65in | 1,642mm65in | 1,642mm65in |
| Ground clearance | 125mm5in | 125mm5in | 125mm5in | 125mm5in |
| Trunk volume | 350L | 350L | 350L | 350L |
| Doors | 2 | 2 | 2 | 2 |
| Seats | 4 | 4 | 4 | 4 |
| Fuel tank | 68L | 68L | 68L | 68L |
| CO2 emissions | 229g/km | 229g/km | 229g/km | 229g/km |
Use the estimates as comparison hints and verify exact figures before making decisions.
Estimated stock-style power and torque curves by engine speed.
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| BMW8 Series Convertible (G14)M850i (Stage 3)795 hp | 5,500-6,000 rpm | 1,800-4,600 rpm | 6,250 rpm |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 5,500-6,000 rpm | 1,800-4,600 rpm | 6,250 rpm |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 5,500-6,000 rpm | 1,800-4,600 rpm | 6,250 rpm |
| BMW8 Series Convertible (G14)M850i530 hp | 5,500-6,000 rpm | 1,800-4,600 rpm | 6,250 rpm |
Estimated speed over time for selected vehicles.
| Metric | BMW8 Series Convertible (G14)M850i (Stage 3)795 hp | BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | BMW8 Series Convertible (G14)M850i530 hp |
|---|---|---|---|---|
| Acceleration checkpoints | ||||
0-60 mph 0-97 km/h | 2.9 s | 3.2 s | 3.4 s | 3.7 s |
0-100 km/h 0-62 mph | 3.0 s | 3.3 s | 3.5 s | 3.9 s |
0-200 km/h 0-124 mph | 8.8 s | 10.0 s | 11.4 s | 13.7 s |
| Top speed | 292 km/h 181 mph | Unrestricted 290 km/h180 mph Restricted 280 km/h174 mph Likely limited | 273 km/h 170 mph | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph Likely limited |
| Drag race simulation | ||||
60 ft 18 m | 1.8 s | 1.9 s | 1.9 s | 2.0 s |
330 ft 101 m | 4.7 s | 4.8 s | 5.0 s | 5.2 s |
1/8 mile 201 m | 7.0 s | 7.2 s | 7.5 s | 7.8 s |
1000 ft 305 m | 8.9 s | 9.3 s | 9.6 s | 10.1 s |
1/4 mile 402 m | 10.6 s | 11.0 s | 11.4 s | 12.0 s |
Trap speed 1/4 mile 402 m | 219 km/h 136 mph | 210 km/h 130 mph | 200 km/h 124 mph | 189 km/h 118 mph |
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| BMW8 Series Convertible (G14)M850i (Stage 3)795 hp | 795 hp 593 kW |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 689 hp 514 kW |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 625 hp 466 kW |
| BMW8 Series Convertible (G14)M850i530 hp | 530 hp 395 kW |
BMW 8 Series Convertible (G14) M850i (Stage 3) 795 hp has 265 hp more than BMW 8 Series Convertible (G14) M850i 530 hp.
The biggest power difference is between BMW 8 Series Convertible (G14) M850i 530 hp and BMW 8 Series Convertible (G14) M850i (Stage 3) 795 hp: 265 hp (198 kW).
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| BMW8 Series Convertible (G14)M850i (Stage 3)795 hp | 1,163 Nm 857 lb-ft |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 1,013 Nm 747 lb-ft |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 915 Nm 675 lb-ft |
| BMW8 Series Convertible (G14)M850i530 hp | 750 Nm 553 lb-ft |
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| BMW8 Series Convertible (G14)M850i (Stage 3)795 hp | 2,015 kg 4,442 lb |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 2,015 kg 4,442 lb |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 2,015 kg 4,442 lb |
| BMW8 Series Convertible (G14)M850i530 hp | 2,015 kg 4,442 lb |
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| BMW8 Series Convertible (G14)M850i (Stage 3)795 hp | 292 km/h 181 mph |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | Unrestricted 290 km/h180 mph Restricted 280 km/h174 mph |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 273 km/h 170 mph |
| BMW8 Series Convertible (G14)M850i530 hp | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph |
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| BMW8 Series Convertible (G14)M850i (Stage 3)795 hp | 3.0 s |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 3.3 s |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 3.5 s |
| BMW8 Series Convertible (G14)M850i530 hp | 3.9 s |
The biggest 0-100 km/h difference is between BMW 8 Series Convertible (G14) M850i (Stage 3) 795 hp and BMW 8 Series Convertible (G14) M850i 530 hp: 0.9 s.
The closest cars by acceleration are BMW 8 Series Convertible (G14) M850i (Stage 2) 689 hp and BMW 8 Series Convertible (G14) M850i (Stage 1) 625 hp, separated by only 0.2 s.
Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK
| Vehicle | Value |
|---|---|
| BMW8 Series Convertible (G14)M850i (Stage 3)795 hp | 10.0 L/100 km 23.5 mpg US 28.2 mpg UK |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 10.0 L/100 km 23.5 mpg US 28.2 mpg UK |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 10.0 L/100 km 23.5 mpg US 28.2 mpg UK |
| BMW8 Series Convertible (G14)M850i530 hp | 10.0 L/100 km 23.5 mpg US 28.2 mpg UK |
Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t
| Vehicle | Value |
|---|---|
| BMW8 Series Convertible (G14)M850i (Stage 3)795 hp | 395 hp/t 294 kW/t 2.5 kg/hp |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 342 hp/t 255 kW/t 2.9 kg/hp |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 310 hp/t 231 kW/t 3.2 kg/hp |
| BMW8 Series Convertible (G14)M850i530 hp | 263 hp/t 196 kW/t 3.8 kg/hp |
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| BMW8 Series Convertible (G14)M850i (Stage 3)795 hp | 680 km 423 mi |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 680 km 423 mi |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 680 km 423 mi |
| BMW8 Series Convertible (G14)M850i530 hp | 680 km 423 mi |
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| BMW8 Series Convertible (G14)M850i (Stage 3)795 hp | 795 hp 593 kW | 3.0 s | 292 km/h 181 mph |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 689 hp 514 kW | 3.3 s | Unrestricted 290 km/h180 mph Restricted 280 km/h174 mph |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 625 hp 466 kW | 3.5 s | 273 km/h 170 mph |
| BMW8 Series Convertible (G14)M850i530 hp | 530 hp 395 kW | 3.9 s | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph |
Scatter chart with performance score on the X axis and practicality score on the Y axis.
| Vehicle | Performance score | Practicality score | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BMW8 Series Convertible (G14)M850i (Stage 3)795 hp |
|
| ||||||||||||||
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp |
|
| ||||||||||||||
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp |
|
| ||||||||||||||
| BMW8 Series Convertible (G14)M850i530 hp |
|
| ||||||||||||||
Cars closer to the top-right corner combine stronger performance with better fuel economy scores.
| Vehicle | Performance score | Fuel economy score | ||||||
|---|---|---|---|---|---|---|---|---|
| BMW8 Series Convertible (G14)M850i (Stage 3)795 hp |
| 10.0 L/100 km 23.5 mpg US 28.2 mpg UK | ||||||
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp |
| 10.0 L/100 km 23.5 mpg US 28.2 mpg UK | ||||||
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp |
| 10.0 L/100 km 23.5 mpg US 28.2 mpg UK | ||||||
| BMW8 Series Convertible (G14)M850i530 hp |
| 10.0 L/100 km 23.5 mpg US 28.2 mpg UK | ||||||
BMW 8 Series Convertible (G14) M850i (Stage 3) 795 hp is closest to the top-right balance target for performance and fuel economy.
Cars closer to the lower-left corner offer a better mix of quick acceleration and low fuel consumption.
| Vehicle | Fuel consumption, L/100 km | 0-100 km/h, s |
|---|---|---|
| BMW8 Series Convertible (G14)M850i (Stage 3)795 hp | 10.0 L/100 km 23.5 mpg US 28.2 mpg UK | 3.0 s |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 10.0 L/100 km 23.5 mpg US 28.2 mpg UK | 3.3 s |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 10.0 L/100 km 23.5 mpg US 28.2 mpg UK | 3.5 s |
| BMW8 Series Convertible (G14)M850i530 hp | 10.0 L/100 km 23.5 mpg US 28.2 mpg UK | 3.9 s |
The shaded area favors higher power-to-weight with lower combined fuel consumption.
| Vehicle | Power-to-weight, hp/t | Fuel consumption, L/100 km |
|---|---|---|
| BMW8 Series Convertible (G14)M850i (Stage 3)795 hp | 395 hp/t 294 kW/t 2.5 kg/hp | 10.0 L/100 km 23.5 mpg US 28.2 mpg UK |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 342 hp/t 255 kW/t 2.9 kg/hp | 10.0 L/100 km 23.5 mpg US 28.2 mpg UK |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 310 hp/t 231 kW/t 3.2 kg/hp | 10.0 L/100 km 23.5 mpg US 28.2 mpg UK |
| BMW8 Series Convertible (G14)M850i530 hp | 263 hp/t 196 kW/t 3.8 kg/hp | 10.0 L/100 km 23.5 mpg US 28.2 mpg UK |
| Vehicle | BMW8 Series Convertible (G14)M850i (Stage 3)795 hp | BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | BMW8 Series Convertible (G14)M850i530 hp | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 795 hp 593 kW | 689 hp 514 kW | 625 hp 466 kW | 530 hp 395 kW | ||||||||||||||||||||||||||||||||
| Torque | 1,163 Nm 857 lb-ft | 1,013 Nm 747 lb-ft | 915 Nm 675 lb-ft | 750 Nm 553 lb-ft | ||||||||||||||||||||||||||||||||
| Acceleration | 3.0 s | 3.3 s | 3.5 s | 3.9 s | ||||||||||||||||||||||||||||||||
| Top speed | 292 km/h 181 mph | Unrestricted 290 km/h180 mph Restricted 280 km/h174 mph | 273 km/h 170 mph | Unrestricted 260 km/h162 mph Restricted 250 km/h155 mph | ||||||||||||||||||||||||||||||||
| Lightness | 2,015 kg 4,442 lb | 2,015 kg 4,442 lb | 2,015 kg 4,442 lb | 2,015 kg 4,442 lb | ||||||||||||||||||||||||||||||||
| Fuel consumption | 10.0 L/100 km 23.5 mpg US 28.2 mpg UK | 10.0 L/100 km 23.5 mpg US 28.2 mpg UK | 10.0 L/100 km 23.5 mpg US 28.2 mpg UK | 10.0 L/100 km 23.5 mpg US 28.2 mpg UK | ||||||||||||||||||||||||||||||||
| Practicality |
|
|
|
| ||||||||||||||||||||||||||||||||
| Range score | 680 km 423 mi | 680 km 423 mi | 680 km 423 mi | 680 km 423 mi | ||||||||||||||||||||||||||||||||
| CO2 score | 229 g/km | 229 g/km | 229 g/km | 229 g/km | ||||||||||||||||||||||||||||||||
| Trunk score | 350 L 12.4 cu ft | 350 L 12.4 cu ft | 350 L 12.4 cu ft | 350 L 12.4 cu ft | ||||||||||||||||||||||||||||||||
| Power-to-weight score | 395 hp/t 294 kW/t 2.5 kg/hp | 342 hp/t 255 kW/t 2.9 kg/hp | 310 hp/t 231 kW/t 3.2 kg/hp | 263 hp/t 196 kW/t 3.8 kg/hp | ||||||||||||||||||||||||||||||||
| Overall | Fixed score | Fixed score | Fixed score | Fixed score |
Estimate running costs from combined consumption, your annual distance, and the fuel price in your local currency.
Enter the fuel price in your local currency, for example €/L, $/gal, £/L or any other local currency.
LC = Local Currency
| Vehicle | BMW 8 Series Convertible (G14) M850i (Stage 3) 795 hp | BMW 8 Series Convertible (G14) M850i (Stage 2) 689 hp | BMW 8 Series Convertible (G14) M850i (Stage 1) 625 hp | BMW 8 Series Convertible (G14) M850i 530 hp |
|---|---|---|---|---|
| Consumption | 10 L/100 km23.5 mpg US28.2 mpg UK | 10 L/100 km23.5 mpg US28.2 mpg UK | 10 L/100 km23.5 mpg US28.2 mpg UK | 10 L/100 km23.5 mpg US28.2 mpg UK |
| Cost / 100 km | 17.50 LC100 km | 17.50 LC100 km | 17.50 LC100 km | 17.50 LC100 km |
| Cost / 100 mi | 28.16 LC100 mi | 28.16 LC100 mi | 28.16 LC100 mi | 28.16 LC100 mi |
| Annual fuel used | 1,500 L396 US gal330 UK gal | 1,500 L396 US gal330 UK gal | 1,500 L396 US gal330 UK gal | 1,500 L396 US gal330 UK gal |
| Annual fuel cost | 2,625 LC/year | 2,625 LC/year | 2,625 LC/year | 2,625 LC/year |
Pros
Cons
No measurable advantages in the available data.























