BMW 3 Series Convertible (E46)
Car comparison
BMW 3 Series Convertible (E46) 330CivsBMW 3 Series Sedan (E36) 328i
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonBMW 3 Series Sedan (E36)
328i
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
BMW 3 Series Sedan (E36) 328i
- Lightest1,395 kg3,075 lb
- Best power-to-weight138 hp/t103 kW/t7.2 kg/hp
- Lowest combined fuel consumption8.5 L/100 km27.7 mpg US33.2 mpg UK
- Best estimated range765 km475 mi
- Largest trunk435 L
- Best overall score58/100
- Best economy score84/100
- Best practicality score72/100
BMW 3 Series Convertible (E46) 330Ci
- Quickest 0-100 km/h6.9 s
- Fastest top speed247 km/h153 mph
- Most powerful225 hp168 kW
- Highest torque290 Nm214 lb-ft
- Best performance score54/100
Specification comparison
| Model | BMW3 Series Convertible (E46)330Ci | BMW3 Series Sedan (E36)328i |
|---|---|---|
| Power | 225hp168kW | 193hp144kW |
| Torque | 290Nm214lb-ft | 280Nm207lb-ft |
| Curb weight | 1,645kg3,627lb | 1,395kg3,075lb |
| Gross weight | 2,045kg4,508lb | 1,780kg3,924lb |
| Top speed | 247 km/h 153 mph | 236 km/h 147 mph |
| To 99% top speed | 93.9s99% target: 245 km/h / 152 mph Calculated | 63.1s99% target: 234 km/h / 145 mph Calculated |
| 0-100 km/h | 6.9s | 7.3s |
| 0-200 km/h | 27.7s Calculated | 25.4s Calculated |
| 0-60 mph | 6.5s Calculated | 7.0s Calculated |
| Fuel consumption | 9.6L/100 km24.5mpg US29.4mpg UK | 8.5L/100 km27.7mpg US33.2mpg UK |
| Fuel consumption city | 13.4L/100 km17.6mpg US21.1mpg UK | - |
| Fuel consumption highway | 7.3L/100 km32.2mpg US38.7mpg UK | - |
| Quarter mile | 14.9s Calculated | 15.2s Calculated |
| Power-to-weight | 137hp/t102kW/t62hp/1000 lb Calculated | 138hp/t103kW/t63hp/1000 lb Calculated |
| Torque-to-weight | 176Nm/t118lb-ft/ton Calculated | 201Nm/t134lb-ft/ton Calculated |
| Estimated range | 656km408mi Calculated | 765km475mi Calculated |
| Displacement | 2,979cc182cu in | 2,793cc170cu in |
| Length | 4,488mm177in | 4,433mm175in |
| Width | 1,757mm69in | 1,698mm67in |
| Height | 1,372mm54in | 1,393mm55in |
| Wheelbase | 2,725mm107in | 2,700mm106in |
| Front track | 1,471mm58in | 1,408mm55in |
| Rear track | 1,483mm58in | 1,421mm56in |
| Trunk volume | 260L | 435L |
| Max trunk volume | 300L | - |
| Doors | 2 | 4 |
| Seats | 4 | 5 |
| Fuel tank | 63L | 65L |
| CO2 emissions | 229g/km | - |
Performance charts
Use the estimates as comparison hints and verify exact figures before making decisions.
Dyno simulation
Estimated stock-style power and torque curves by engine speed.
- BMW 3 Series Convertible (E46) 330Ci: Power / Torque
- BMW 3 Series Sedan (E36) 328i: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| BMW3 Series Convertible (E46)330Ci | 5,900 rpm | 3,500 rpm | 6,150 rpm |
| BMW3 Series Sedan (E36)328i | 5,500 rpm | 3,950 rpm | 5,750 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | BMW3 Series Convertible (E46)330Ci | BMW3 Series Sedan (E36)328i |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 6.5 s | 7.0 s |
0-100 km/h 0-62 mph | 6.9 s | 7.3 s |
0-200 km/h 0-124 mph | 27.7 s | 25.4 s |
| Top speed | 247 km/h 153 mph | 236 km/h 147 mph |
| Drag race simulation | ||
60 ft 18 m | 2.4 s | 2.8 s |
330 ft 101 m | 6.5 s | 6.9 s |
1/8 mile 201 m | 9.7 s | 10.1 s |
1000 ft 305 m | 12.5 s | 12.9 s |
1/4 mile 402 m | 14.9 s | 15.2 s |
Trap speed 1/4 mile 402 m | 155 km/h 96 mph | 160 km/h 99 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| BMW3 Series Convertible (E46)330Ci | 225 hp 168 kW |
| BMW3 Series Sedan (E36)328i | 193 hp 144 kW |
BMW 3 Series Convertible (E46) 330Ci has 32 hp more than BMW 3 Series Sedan (E36) 328i.
The biggest power difference is between BMW 3 Series Sedan (E36) 328i and BMW 3 Series Convertible (E46) 330Ci: 32 hp (24 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| BMW3 Series Convertible (E46)330Ci | 290 Nm 214 lb-ft |
| BMW3 Series Sedan (E36)328i | 280 Nm 207 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| BMW3 Series Convertible (E46)330Ci | 1,645 kg 3,627 lb |
| BMW3 Series Sedan (E36)328i | 1,395 kg 3,075 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| BMW3 Series Convertible (E46)330Ci | 247 km/h 153 mph |
| BMW3 Series Sedan (E36)328i | 236 km/h 147 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| BMW3 Series Convertible (E46)330Ci | 6.9 s |
| BMW3 Series Sedan (E36)328i | 7.3 s |
The biggest 0-100 km/h difference is between BMW 3 Series Convertible (E46) 330Ci and BMW 3 Series Sedan (E36) 328i: 0.4 s.
Fuel consumption comparison
Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK
| Vehicle | Value |
|---|---|
| BMW3 Series Convertible (E46)330Ci | 9.6 L/100 km 24.5 mpg US 29.4 mpg UK |
| BMW3 Series Sedan (E36)328i | 8.5 L/100 km 27.7 mpg US 33.2 mpg UK |
The biggest fuel consumption difference is between BMW 3 Series Sedan (E36) 328i and BMW 3 Series Convertible (E46) 330Ci: 1.1 L/100 km.
Power-to-weight comparison
Bar comparison chart for Power-to-weight. Higher is better · hp/t / kW/t
| Vehicle | Value |
|---|---|
| BMW3 Series Convertible (E46)330Ci | 137 hp/t 102 kW/t 7.3 kg/hp |
| BMW3 Series Sedan (E36)328i | 138 hp/t 103 kW/t 7.2 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| BMW3 Series Convertible (E46)330Ci | 656 km 408 mi |
| BMW3 Series Sedan (E36)328i | 765 km 475 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| BMW3 Series Convertible (E46)330Ci | 225 hp 168 kW | 6.9 s | 247 km/h 153 mph |
| BMW3 Series Sedan (E36)328i | 193 hp 144 kW | 7.3 s | 236 km/h 147 mph |
Most attractive quadrant
Scatter chart with performance score on the X axis and practicality score on the Y axis.
| Vehicle | Performance score | Practicality score | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BMW3 Series Convertible (E46)330Ci |
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| BMW3 Series Sedan (E36)328i |
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Performance vs fuel economy
Cars closer to the top-right corner combine stronger performance with better fuel economy scores.
| Vehicle | Performance score | Fuel economy score | ||||||
|---|---|---|---|---|---|---|---|---|
| BMW3 Series Convertible (E46)330Ci |
| 9.6 L/100 km 24.5 mpg US 29.4 mpg UK | ||||||
| BMW3 Series Sedan (E36)328i |
| 8.5 L/100 km 27.7 mpg US 33.2 mpg UK | ||||||
BMW 3 Series Convertible (E46) 330Ci is closest to the top-right balance target for performance and fuel economy.
Acceleration vs fuel consumption
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 |
|---|---|---|
| BMW3 Series Convertible (E46)330Ci | 9.6 L/100 km 24.5 mpg US 29.4 mpg UK | 6.9 s |
| BMW3 Series Sedan (E36)328i | 8.5 L/100 km 27.7 mpg US 33.2 mpg UK | 7.3 s |
Power-to-weight vs fuel consumption
The shaded area favors higher power-to-weight with lower combined fuel consumption.
| Vehicle | Power-to-weight, hp/t | Fuel consumption, L/100 km |
|---|---|---|
| BMW3 Series Convertible (E46)330Ci | 137 hp/t 102 kW/t 7.3 kg/hp | 9.6 L/100 km 24.5 mpg US 29.4 mpg UK |
| BMW3 Series Sedan (E36)328i | 138 hp/t 103 kW/t 7.2 kg/hp | 8.5 L/100 km 27.7 mpg US 33.2 mpg UK |
Detailed score breakdown
| Vehicle | BMW3 Series Convertible (E46)330Ci | BMW3 Series Sedan (E36)328i | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 225 hp 168 kW | 193 hp 144 kW | ||||||||||||||||
| Torque | 290 Nm 214 lb-ft | 280 Nm 207 lb-ft | ||||||||||||||||
| Acceleration | 6.9 s | 7.3 s | ||||||||||||||||
| Top speed | 247 km/h 153 mph | 236 km/h 147 mph | ||||||||||||||||
| Lightness | 1,645 kg 3,627 lb | 1,395 kg 3,075 lb | ||||||||||||||||
| Fuel consumption | 9.6 L/100 km 24.5 mpg US 29.4 mpg UK | 8.5 L/100 km 27.7 mpg US 33.2 mpg UK | ||||||||||||||||
| Practicality |
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| Range score | 656 km 408 mi | 765 km 475 mi | ||||||||||||||||
| CO2 score | 229 g/km | - | ||||||||||||||||
| Trunk score | 260 L 9.2 cu ft | 435 L 15.4 cu ft | ||||||||||||||||
| Power-to-weight score | 137 hp/t 102 kW/t 7.3 kg/hp | 138 hp/t 103 kW/t 7.2 kg/hp | ||||||||||||||||
| Overall | Fixed score | Fixed score |
Fuel cost and annual usage
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 3 Series Convertible (E46) 330Ci | BMW 3 Series Sedan (E36) 328i |
|---|---|---|
| Consumption | 9.6 L/100 km24.5 mpg US29.4 mpg UK | 8.5 L/100 km27.7 mpg US33.2 mpg UK |
| Cost / 100 km | 16.80 LC100 km | 14.88 LC100 km |
| Cost / 100 mi | 27.04 LC100 mi | 23.94 LC100 mi |
| Annual fuel used | 1,440 L380 US gal317 UK gal | 1,275 L337 US gal280 UK gal |
| Annual fuel cost | 2,520 LC/year | 2,231 LC/year |
Head-to-head comparisons
BMW 3 Series Convertible (E46) 330Ci
- Has 32 hp more
- Has 10 Nm more
- Is 0.4 s quicker from 0-100 km/h
- Has 11 km/h (7 mph) higher top speed
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Most powerful
- Highest torque
Cons
- Highest combined fuel consumption
- Heaviest
- Smallest trunk
BMW 3 Series Sedan (E36) 328i
- Is 250 kg lighter
- Uses 1.1 L/100 km less fuel
- Has 2 hp/t better power-to-weight
- Has 108 km (67 mi) more estimated range
- Has 175 L more trunk volume
Pros
- Lightest
- Lowest combined fuel consumption
- Best power-to-weight ratio
- Best estimated range
- Largest trunk
Cons
- Slowest 0-100 km/h
- Lowest power
- Lowest top speed
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