
BMW 8 Series Convertible (G14)
Car comparison
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
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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 | 2,050kg4,519lb | 2,050kg4,519lb | 2,050kg4,519lb | 2,050kg4,519lb |
| 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 | 38.6s99% target: 289 km/h / 180 mph-12.9 s Calculated | 45.2s99% target: 287 km/h / 178 mph-6.2 s Calculated | 46.3s99% target: 270 km/h / 168 mph-5.1 s Calculated | 51.4s99% target: 257 km/h / 160 mph Calculated |
| 0-100 km/h | 3.1s-0.9 s | 3.4s-0.6 s | 3.6s-0.4 s | 4.0s |
| 0-200 km/h | 9.0s-5.0 s Calculated | 10.2s-3.8 s Calculated | 11.7s-2.4 s Calculated | 14.0s Calculated |
| 0-60 mph | 3.0s-0.8 s Calculated | 3.2s-0.6 s Calculated | 3.4s-0.4 s Calculated | 3.8s Calculated |
| Fuel consumption | 10.1L/100 km23.3mpg US28.0mpg UK | 10.1L/100 km23.3mpg US28.0mpg UK | 10.1L/100 km23.3mpg US28.0mpg UK | 10.1L/100 km23.3mpg US28.0mpg UK |
| Fuel consumption city | 14.2L/100 km16.6mpg US19.9mpg UK | 14.2L/100 km16.6mpg US19.9mpg UK | 14.2L/100 km16.6mpg US19.9mpg UK | 14.2L/100 km16.6mpg US19.9mpg UK |
| Fuel consumption highway | 7.7L/100 km30.5mpg US36.7mpg UK | 7.7L/100 km30.5mpg US36.7mpg UK | 7.7L/100 km30.5mpg US36.7mpg UK | 7.7L/100 km30.5mpg US36.7mpg UK |
| Quarter mile | 10.7s-1.4 s Calculated | 11.2s-0.9 s Calculated | 11.5s-0.6 s Calculated | 12.1s Calculated |
| Power-to-weight | 388hp/t289kW/t176hp/1000 lb Calculated | 336hp/t251kW/t152hp/1000 lb Calculated | 305hp/t227kW/t138hp/1000 lb Calculated | 259hp/t193kW/t117hp/1000 lb Calculated |
| Torque-to-weight | 567Nm/t379lb-ft/ton Calculated | 494Nm/t330lb-ft/ton Calculated | 446Nm/t299lb-ft/ton Calculated | 366Nm/t245lb-ft/ton Calculated |
| Estimated range | 673km418mi Calculated | 673km418mi Calculated | 673km418mi Calculated | 673km418mi 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 |
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 | 3.0 s | 3.2 s | 3.4 s | 3.8 s |
0-100 km/h 0-62 mph | 3.1 s | 3.4 s | 3.6 s | 4.0 s |
0-200 km/h 0-124 mph | 9.0 s | 10.2 s | 11.7 s | 14.0 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 | 1.9 s | 1.9 s | 1.9 s | 2.0 s |
330 ft 101 m | 4.7 s | 4.9 s | 5.0 s | 5.2 s |
1/8 mile 201 m | 7.0 s | 7.3 s | 7.5 s | 7.9 s |
1000 ft 305 m | 9.0 s | 9.4 s | 9.7 s | 10.2 s |
1/4 mile 402 m | 10.7 s | 11.2 s | 11.5 s | 12.1 s |
Trap speed 1/4 mile 402 m | 217 km/h 135 mph | 208 km/h 129 mph | 199 km/h 124 mph | 188 km/h 117 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 | 2,050 kg 4,519 lb |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 2,050 kg 4,519 lb |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 2,050 kg 4,519 lb |
| BMW8 Series Convertible (G14)M850i530 hp | 2,050 kg 4,519 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 | 3.1 s |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 3.4 s |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 3.6 s |
| BMW8 Series Convertible (G14)M850i530 hp | 4.0 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 | 10.1 L/100 km 23.3 mpg US 28.0 mpg UK |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 10.1 L/100 km 23.3 mpg US 28.0 mpg UK |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 10.1 L/100 km 23.3 mpg US 28.0 mpg UK |
| BMW8 Series Convertible (G14)M850i530 hp | 10.1 L/100 km 23.3 mpg US 28.0 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 | 388 hp/t 289 kW/t 2.6 kg/hp |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 336 hp/t 251 kW/t 3.0 kg/hp |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 305 hp/t 227 kW/t 3.3 kg/hp |
| BMW8 Series Convertible (G14)M850i530 hp | 259 hp/t 193 kW/t 3.9 kg/hp |
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| BMW8 Series Convertible (G14)M850i (Stage 3)795 hp | 673 km 418 mi |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 673 km 418 mi |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 673 km 418 mi |
| BMW8 Series Convertible (G14)M850i530 hp | 673 km 418 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 | 3.1 s | 292 km/h 181 mph |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 689 hp 514 kW | 3.4 s | Unrestricted 290 km/h180 mph Restricted 280 km/h174 mph |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 625 hp 466 kW | 3.6 s | 273 km/h 170 mph |
| BMW8 Series Convertible (G14)M850i530 hp | 530 hp 395 kW | 4.0 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 |
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| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp |
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| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp |
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| BMW8 Series Convertible (G14)M850i530 hp |
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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 |
| 10.1 L/100 km 23.3 mpg US 28.0 mpg UK | ||||||
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp |
| 10.1 L/100 km 23.3 mpg US 28.0 mpg UK | ||||||
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp |
| 10.1 L/100 km 23.3 mpg US 28.0 mpg UK | ||||||
| BMW8 Series Convertible (G14)M850i530 hp |
| 10.1 L/100 km 23.3 mpg US 28.0 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 | 10.1 L/100 km 23.3 mpg US 28.0 mpg UK | 3.1 s |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 10.1 L/100 km 23.3 mpg US 28.0 mpg UK | 3.4 s |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 10.1 L/100 km 23.3 mpg US 28.0 mpg UK | 3.6 s |
| BMW8 Series Convertible (G14)M850i530 hp | 10.1 L/100 km 23.3 mpg US 28.0 mpg UK | 4.0 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 | 388 hp/t 289 kW/t 2.6 kg/hp | 10.1 L/100 km 23.3 mpg US 28.0 mpg UK |
| BMW8 Series Convertible (G14)M850i (Stage 2)689 hp | 336 hp/t 251 kW/t 3.0 kg/hp | 10.1 L/100 km 23.3 mpg US 28.0 mpg UK |
| BMW8 Series Convertible (G14)M850i (Stage 1)625 hp | 305 hp/t 227 kW/t 3.3 kg/hp | 10.1 L/100 km 23.3 mpg US 28.0 mpg UK |
| BMW8 Series Convertible (G14)M850i530 hp | 259 hp/t 193 kW/t 3.9 kg/hp | 10.1 L/100 km 23.3 mpg US 28.0 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 | ||||||||||||||||||||||||||||||||
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| 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 | 3.1 s | 3.4 s | 3.6 s | 4.0 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 | 2,050 kg 4,519 lb | 2,050 kg 4,519 lb | 2,050 kg 4,519 lb | 2,050 kg 4,519 lb | ||||||||||||||||||||||||||||||||
| Fuel consumption | 10.1 L/100 km 23.3 mpg US 28.0 mpg UK | 10.1 L/100 km 23.3 mpg US 28.0 mpg UK | 10.1 L/100 km 23.3 mpg US 28.0 mpg UK | 10.1 L/100 km 23.3 mpg US 28.0 mpg UK | ||||||||||||||||||||||||||||||||
| Practicality |
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| Range score | 673 km 418 mi | 673 km 418 mi | 673 km 418 mi | 673 km 418 mi | ||||||||||||||||||||||||||||||||
| 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 | 388 hp/t 289 kW/t 2.6 kg/hp | 336 hp/t 251 kW/t 3.0 kg/hp | 305 hp/t 227 kW/t 3.3 kg/hp | 259 hp/t 193 kW/t 3.9 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 | 10.1 L/100 km23.3 mpg US28 mpg UK | 10.1 L/100 km23.3 mpg US28 mpg UK | 10.1 L/100 km23.3 mpg US28 mpg UK | 10.1 L/100 km23.3 mpg US28 mpg UK |
| Cost / 100 km | 17.68 LC100 km | 17.68 LC100 km | 17.68 LC100 km | 17.68 LC100 km |
| Cost / 100 mi | 28.45 LC100 mi | 28.45 LC100 mi | 28.45 LC100 mi | 28.45 LC100 mi |
| Annual fuel used | 1,515 L400 US gal333 UK gal | 1,515 L400 US gal333 UK gal | 1,515 L400 US gal333 UK gal | 1,515 L400 US gal333 UK gal |
| Annual fuel cost | 2,651 LC/year | 2,651 LC/year | 2,651 LC/year | 2,651 LC/year |
Pros
No measurable advantages in the available data.























