BMW 3 Series Sedan (G20)
Car comparison
BMW 3 Series Sedan (G20) 320ivsBMW 3 Series Compact (E46) 325ti
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonBMW 3 Series Compact (E46)
325ti
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
BMW 3 Series Sedan (G20) 320i
- Quickest 0-100 km/h7.7 s
- Fastest top speed232 km/h144 mph
- Highest torque250 Nm184 lb-ft
- Lowest combined fuel consumption6.4 L/100 km36.8 mpg US44.1 mpg UK
- Lowest city consumption7.7 L/100 km30.5 mpg US36.7 mpg UK
- Lowest highway consumption5.6 L/100 km42.0 mpg US50.4 mpg UK
- Best estimated range922 km573 mi
- Largest trunk480 L
- Best overall score57/100
- Best performance score49/100
- Best economy score90/100
- Best practicality score74/100
BMW 3 Series Compact (E46) 325ti
- Most powerful192 hp143 kW
- Lightest1,405 kg3,097 lb
- Best power-to-weight137 hp/t102 kW/t7.3 kg/hp
Specification comparison
| Model | BMW3 Series Sedan (G20)320i | BMW3 Series Compact (E46)325ti |
|---|---|---|
| Power | 170hp127kW | 192hp143kW |
| Torque | 250Nm184lb-ft | 245Nm181lb-ft |
| Curb weight | 1,450kg3,197lb | 1,405kg3,097lb |
| Gross weight | 2,050kg4,519lb | 1,905kg4,200lb |
| Top speed | 232 km/h 144 mph | 232 km/h 144 mph |
| To 99% top speed | 67.1s99% target: 230 km/h / 143 mph Calculated | 92.7s99% target: 230 km/h / 143 mph Calculated |
| 0-100 km/h | 7.7s | 8.2s |
| 0-200 km/h | 28.1s Calculated | 35.0s Calculated |
| 0-60 mph | 7.3s Calculated | 7.8s Calculated |
| Fuel consumption | 6.4L/100 km36.8mpg US44.1mpg UK | 9.5L/100 km24.8mpg US29.7mpg UK |
| Fuel consumption city | 7.7L/100 km30.5mpg US36.7mpg UK | 13.5L/100 km17.4mpg US20.9mpg UK |
| Fuel consumption highway | 5.6L/100 km42mpg US50.4mpg UK | 7.3L/100 km32.2mpg US38.7mpg UK |
| Quarter mile | 15.5s Calculated | 15.9s Calculated |
| Power-to-weight | 117hp/t87kW/t53hp/1000 lb Calculated | 137hp/t102kW/t62hp/1000 lb Calculated |
| Torque-to-weight | 172Nm/t115lb-ft/ton Calculated | 174Nm/t117lb-ft/ton Calculated |
| Estimated range | 922km573mi Calculated | 663km412mi Calculated |
| Displacement | 1,597cc97cu in | 2,494cc152cu in |
| Length | 4,709mm185in | 4,262mm168in |
| Width | 1,827mm72in | 1,751mm69in |
| Height | 1,435mm56in | 1,408mm55in |
| Wheelbase | 2,851mm112in | 2,725mm107in |
| Front track | 1,589mm63in | 1,474mm58in |
| Rear track | 1,604mm63in | 1,483mm58in |
| Trunk volume | 480L | 310L |
| Max trunk volume | - | 1,100L |
| Doors | 4 | 3 |
| Seats | 5 | 5 |
| Fuel tank | 59L | 63L |
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 Sedan (G20) 320i: Power / Torque
- BMW 3 Series Compact (E46) 325ti: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| BMW3 Series Sedan (G20)320i | 5,000-6,000 rpm | 2,000-4,700 rpm | 6,250 rpm |
| BMW3 Series Compact (E46)325ti | 6,000 rpm | 3,500 rpm | 6,250 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | BMW3 Series Sedan (G20)320i | BMW3 Series Compact (E46)325ti |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 7.3 s | 7.8 s |
0-100 km/h 0-62 mph | 7.7 s | 8.2 s |
0-200 km/h 0-124 mph | 28.1 s | 35.0 s |
| Top speed | 232 km/h 144 mph | 232 km/h 144 mph |
| Drag race simulation | ||
60 ft 18 m | 2.8 s | 2.7 s |
330 ft 101 m | 7.0 s | 7.0 s |
1/8 mile 201 m | 10.4 s | 10.5 s |
1000 ft 305 m | 13.2 s | 13.4 s |
1/4 mile 402 m | 15.5 s | 15.9 s |
Trap speed 1/4 mile 402 m | 156 km/h 97 mph | 147 km/h 91 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| BMW3 Series Sedan (G20)320i | 170 hp 127 kW |
| BMW3 Series Compact (E46)325ti | 192 hp 143 kW |
BMW 3 Series Compact (E46) 325ti has 22 hp more than BMW 3 Series Sedan (G20) 320i.
The biggest power difference is between BMW 3 Series Sedan (G20) 320i and BMW 3 Series Compact (E46) 325ti: 22 hp (16 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| BMW3 Series Sedan (G20)320i | 250 Nm 184 lb-ft |
| BMW3 Series Compact (E46)325ti | 245 Nm 181 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| BMW3 Series Sedan (G20)320i | 1,450 kg 3,197 lb |
| BMW3 Series Compact (E46)325ti | 1,405 kg 3,097 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| BMW3 Series Sedan (G20)320i | 232 km/h 144 mph |
| BMW3 Series Compact (E46)325ti | 232 km/h 144 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| BMW3 Series Sedan (G20)320i | 7.7 s |
| BMW3 Series Compact (E46)325ti | 8.2 s |
Although BMW 3 Series Compact (E46) 325ti has more power, BMW 3 Series Sedan (G20) 320i is quicker from 0-100 km/h.
The biggest 0-100 km/h difference is between BMW 3 Series Sedan (G20) 320i and BMW 3 Series Compact (E46) 325ti: 0.5 s.
Fuel consumption comparison
Bar comparison chart for Fuel consumption. Lower is better · L/100 km / mpg US / mpg UK
| Vehicle | Value |
|---|---|
| BMW3 Series Sedan (G20)320i | 6.4 L/100 km 36.8 mpg US 44.1 mpg UK |
| BMW3 Series Compact (E46)325ti | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK |
The biggest fuel consumption difference is between BMW 3 Series Sedan (G20) 320i and BMW 3 Series Compact (E46) 325ti: 3.1 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 Sedan (G20)320i | 117 hp/t 87 kW/t 8.5 kg/hp |
| BMW3 Series Compact (E46)325ti | 137 hp/t 102 kW/t 7.3 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| BMW3 Series Sedan (G20)320i | 922 km 573 mi |
| BMW3 Series Compact (E46)325ti | 663 km 412 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| BMW3 Series Sedan (G20)320i | 170 hp 127 kW | 7.7 s | 232 km/h 144 mph |
| BMW3 Series Compact (E46)325ti | 192 hp 143 kW | 8.2 s | 232 km/h 144 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 Sedan (G20)320i |
|
| ||||||||||||||
| BMW3 Series Compact (E46)325ti |
|
| ||||||||||||||
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 Sedan (G20)320i |
| 6.4 L/100 km 36.8 mpg US 44.1 mpg UK | ||||||
| BMW3 Series Compact (E46)325ti |
| 9.5 L/100 km 24.8 mpg US 29.7 mpg UK | ||||||
BMW 3 Series Sedan (G20) 320i 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 Sedan (G20)320i | 6.4 L/100 km 36.8 mpg US 44.1 mpg UK | 7.7 s |
| BMW3 Series Compact (E46)325ti | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK | 8.2 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 Sedan (G20)320i | 117 hp/t 87 kW/t 8.5 kg/hp | 6.4 L/100 km 36.8 mpg US 44.1 mpg UK |
| BMW3 Series Compact (E46)325ti | 137 hp/t 102 kW/t 7.3 kg/hp | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK |
Detailed score breakdown
| Vehicle | BMW3 Series Sedan (G20)320i | BMW3 Series Compact (E46)325ti | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 170 hp 127 kW | 192 hp 143 kW | ||||||||||||||||
| Torque | 250 Nm 184 lb-ft | 245 Nm 181 lb-ft | ||||||||||||||||
| Acceleration | 7.7 s | 8.2 s | ||||||||||||||||
| Top speed | 232 km/h 144 mph | 232 km/h 144 mph | ||||||||||||||||
| Lightness | 1,450 kg 3,197 lb | 1,405 kg 3,097 lb | ||||||||||||||||
| Fuel consumption | 6.4 L/100 km 36.8 mpg US 44.1 mpg UK | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK | ||||||||||||||||
| Practicality |
|
| ||||||||||||||||
| Range score | 922 km 573 mi | 663 km 412 mi | ||||||||||||||||
| Trunk score | 480 L 17.0 cu ft | 310 L 10.9 cu ft | ||||||||||||||||
| Power-to-weight score | 117 hp/t 87 kW/t 8.5 kg/hp | 137 hp/t 102 kW/t 7.3 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 Sedan (G20) 320i | BMW 3 Series Compact (E46) 325ti |
|---|---|---|
| Consumption | 6.4 L/100 km36.8 mpg US44.1 mpg UK | 9.5 L/100 km24.8 mpg US29.7 mpg UK |
| Cost / 100 km | 11.20 LC100 km | 16.63 LC100 km |
| Cost / 100 mi | 18.02 LC100 mi | 26.76 LC100 mi |
| Annual fuel used | 960 L254 US gal211 UK gal | 1,425 L376 US gal313 UK gal |
| Annual fuel cost | 1,680 LC/year | 2,494 LC/year |
Head-to-head comparisons
BMW 3 Series Sedan (G20) 320i
- Has 5 Nm more
- Is 0.5 s quicker from 0-100 km/h
- Uses 3.1 L/100 km less fuel
- Has 259 km (161 mi) more estimated range
- Has 170 L more trunk volume
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Highest torque
- Lowest combined fuel consumption
- Best estimated range
- Largest trunk
Cons
- Lowest power
- Heaviest
BMW 3 Series Compact (E46) 325ti
- Has 22 hp more
- Is 45 kg lighter
- Has 19 hp/t better power-to-weight
Pros
- Most powerful
- Lightest
- Best power-to-weight ratio
Cons
- Slowest 0-100 km/h
- Highest combined fuel consumption
- Smallest trunk
Choose cars to compare
Popular comparisons























