BMW 3 Series Compact (E46)
Car comparison
BMW 3 Series Compact (E46) 325tivsBMW 3 Series Touring (G21) 318i
Compare specs, acceleration, fuel consumption, dimensions, practicality, and estimated running costs side by side.
New comparisonBMW 3 Series Touring (G21)
318i
Comparison overview
Use the estimates as comparison hints and verify exact figures before making decisions.
Best choices
BMW 3 Series Touring (G21) 318i
- Highest torque250 Nm184 lb-ft
- Lowest combined fuel consumption6.2 L/100 km37.9 mpg US45.6 mpg UK
- Lowest city consumption7.3 L/100 km32.2 mpg US38.7 mpg UK
- Lowest highway consumption5.5 L/100 km42.8 mpg US51.4 mpg UK
- Best estimated range952 km591 mi
- Largest trunk500 L
- Best overall score57/100
- Best economy score90/100
- Best practicality score84/100
BMW 3 Series Compact (E46) 325ti
- Quickest 0-100 km/h8.2 s
- Fastest top speed232 km/h144 mph
- Most powerful192 hp143 kW
- Lightest1,405 kg3,097 lb
- Best power-to-weight137 hp/t102 kW/t7.3 kg/hp
- Best performance score48/100
Specification comparison
| Model | BMW3 Series Compact (E46)325ti | BMW3 Series Touring (G21)318i |
|---|---|---|
| Power | 192hp143kW | 156hp116kW |
| Torque | 245Nm181lb-ft | 250Nm184lb-ft |
| Curb weight | 1,405kg3,097lb | 1,570kg3,461lb |
| Gross weight | 1,905kg4,200lb | 2,135kg4,707lb |
| Top speed | 232 km/h 144 mph | 220 km/h 137 mph |
| To 99% top speed | 92.1s99% target: 230 km/h / 143 mph Calculated | 78.7s99% target: 218 km/h / 135 mph Calculated |
| 0-100 km/h | 8.2s | 8.7s |
| 0-200 km/h | 34.9s Calculated | 38.7s Calculated |
| 0-60 mph | 7.8s Calculated | 8.3s Calculated |
| Fuel consumption | 9.5L/100 km24.8mpg US29.7mpg UK | 6.2L/100 km37.9mpg US45.6mpg UK |
| Fuel consumption city | 13.5L/100 km17.4mpg US20.9mpg UK | 7.3L/100 km32.2mpg US38.7mpg UK |
| Fuel consumption highway | 7.3L/100 km32.2mpg US38.7mpg UK | 5.5L/100 km42.8mpg US51.4mpg UK |
| Quarter mile | 15.9s Calculated | 16.3s Calculated |
| Power-to-weight | 137hp/t102kW/t62hp/1000 lb Calculated | 99hp/t74kW/t45hp/1000 lb Calculated |
| Torque-to-weight | 174Nm/t117lb-ft/ton Calculated | 159Nm/t107lb-ft/ton Calculated |
| Estimated range | 663km412mi Calculated | 952km591mi Calculated |
| Displacement | 2,494cc152cu in | 1,998cc122cu in |
| Length | 4,262mm168in | 4,709mm185in |
| Width | 1,751mm69in | 1,827mm72in |
| Height | 1,408mm55in | 1,440mm57in |
| Wheelbase | 2,725mm107in | 2,851mm112in |
| Front track | 1,474mm58in | 1,573mm62in |
| Rear track | 1,483mm58in | 1,588mm63in |
| Ground clearance | - | 141mm6in |
| Trunk volume | 310L | 500L |
| Max trunk volume | 1,100L | 1,510L |
| Doors | 3 | 5 |
| Seats | 5 | 5 |
| Fuel tank | 63L | 59L |
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 Compact (E46) 325ti: Power / Torque
- BMW 3 Series Touring (G21) 318i: Power / Torque
| Vehicle | Peak power RPM | Peak torque RPM | Max engine speed |
|---|---|---|---|
| BMW3 Series Compact (E46)325ti | 6,000 rpm | 3,500 rpm | 6,250 rpm |
| BMW3 Series Touring (G21)318i | 4,500-6,500 rpm | 1,300-4,300 rpm | 6,750 rpm |
Acceleration curve
Estimated speed over time for selected vehicles.
| Metric | BMW3 Series Compact (E46)325ti | BMW3 Series Touring (G21)318i |
|---|---|---|
| Acceleration checkpoints | ||
0-60 mph 0-97 km/h | 7.8 s | 8.3 s |
0-100 km/h 0-62 mph | 8.2 s | 8.7 s |
0-200 km/h 0-124 mph | 34.9 s | 38.7 s |
| Top speed | 232 km/h 144 mph | 220 km/h 137 mph |
| Drag race simulation | ||
60 ft 18 m | 2.7 s | 2.8 s |
330 ft 101 m | 7.0 s | 7.3 s |
1/8 mile 201 m | 10.5 s | 10.8 s |
1000 ft 305 m | 13.4 s | 13.8 s |
1/4 mile 402 m | 15.9 s | 16.3 s |
Trap speed 1/4 mile 402 m | 147 km/h 91 mph | 145 km/h 90 mph |
Power comparison
Bar comparison chart for Power. Higher is better · hp / kW
| Vehicle | Value |
|---|---|
| BMW3 Series Compact (E46)325ti | 192 hp 143 kW |
| BMW3 Series Touring (G21)318i | 156 hp 116 kW |
BMW 3 Series Compact (E46) 325ti has 36 hp more than BMW 3 Series Touring (G21) 318i.
The biggest power difference is between BMW 3 Series Touring (G21) 318i and BMW 3 Series Compact (E46) 325ti: 36 hp (27 kW).
Torque comparison
Bar comparison chart for Torque. Higher is better · Nm / lb-ft
| Vehicle | Value |
|---|---|
| BMW3 Series Compact (E46)325ti | 245 Nm 181 lb-ft |
| BMW3 Series Touring (G21)318i | 250 Nm 184 lb-ft |
Curb weight comparison
Bar comparison chart for Curb weight. Lower is better · kg / lb
| Vehicle | Value |
|---|---|
| BMW3 Series Compact (E46)325ti | 1,405 kg 3,097 lb |
| BMW3 Series Touring (G21)318i | 1,570 kg 3,461 lb |
Top speed without limiter comparison
Bar comparison chart for Top speed without limiter. Higher is better · km/h / mph
| Vehicle | Value |
|---|---|
| BMW3 Series Compact (E46)325ti | 232 km/h 144 mph |
| BMW3 Series Touring (G21)318i | 220 km/h 137 mph |
0-100 km/h comparison
Bar comparison chart for 0-100 km/h. Lower is better · seconds
| Vehicle | Value |
|---|---|
| BMW3 Series Compact (E46)325ti | 8.2 s |
| BMW3 Series Touring (G21)318i | 8.7 s |
The biggest 0-100 km/h difference is between BMW 3 Series Compact (E46) 325ti and BMW 3 Series Touring (G21) 318i: 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 Compact (E46)325ti | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK |
| BMW3 Series Touring (G21)318i | 6.2 L/100 km 37.9 mpg US 45.6 mpg UK |
The biggest fuel consumption difference is between BMW 3 Series Touring (G21) 318i and BMW 3 Series Compact (E46) 325ti: 3.3 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 Compact (E46)325ti | 137 hp/t 102 kW/t 7.3 kg/hp |
| BMW3 Series Touring (G21)318i | 99 hp/t 74 kW/t 10.1 kg/hp |
Estimated range comparison
Bar comparison chart for Estimated range. Higher is better · km / mi
| Vehicle | Value |
|---|---|
| BMW3 Series Compact (E46)325ti | 663 km 412 mi |
| BMW3 Series Touring (G21)318i | 952 km 591 mi |
Performance spider chart
Radar chart comparing normalized performance and fuel-consumption scores.
| Vehicle | Power | Acceleration | Top speed |
|---|---|---|---|
| BMW3 Series Compact (E46)325ti | 192 hp 143 kW | 8.2 s | 232 km/h 144 mph |
| BMW3 Series Touring (G21)318i | 156 hp 116 kW | 8.7 s | 220 km/h 137 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 Compact (E46)325ti |
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| BMW3 Series Touring (G21)318i |
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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 Compact (E46)325ti |
| 9.5 L/100 km 24.8 mpg US 29.7 mpg UK | ||||||
| BMW3 Series Touring (G21)318i |
| 6.2 L/100 km 37.9 mpg US 45.6 mpg UK | ||||||
BMW 3 Series Compact (E46) 325ti 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 Compact (E46)325ti | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK | 8.2 s |
| BMW3 Series Touring (G21)318i | 6.2 L/100 km 37.9 mpg US 45.6 mpg UK | 8.7 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 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 |
| BMW3 Series Touring (G21)318i | 99 hp/t 74 kW/t 10.1 kg/hp | 6.2 L/100 km 37.9 mpg US 45.6 mpg UK |
Detailed score breakdown
| Vehicle | BMW3 Series Compact (E46)325ti | BMW3 Series Touring (G21)318i | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Power | 192 hp 143 kW | 156 hp 116 kW | ||||||||||||||||
| Torque | 245 Nm 181 lb-ft | 250 Nm 184 lb-ft | ||||||||||||||||
| Acceleration | 8.2 s | 8.7 s | ||||||||||||||||
| Top speed | 232 km/h 144 mph | 220 km/h 137 mph | ||||||||||||||||
| Lightness | 1,405 kg 3,097 lb | 1,570 kg 3,461 lb | ||||||||||||||||
| Fuel consumption | 9.5 L/100 km 24.8 mpg US 29.7 mpg UK | 6.2 L/100 km 37.9 mpg US 45.6 mpg UK | ||||||||||||||||
| Practicality |
|
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| Range score | 663 km 412 mi | 952 km 591 mi | ||||||||||||||||
| Trunk score | 310 L 10.9 cu ft | 500 L 17.7 cu ft | ||||||||||||||||
| Power-to-weight score | 137 hp/t 102 kW/t 7.3 kg/hp | 99 hp/t 74 kW/t 10.1 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 Compact (E46) 325ti | BMW 3 Series Touring (G21) 318i |
|---|---|---|
| Consumption | 9.5 L/100 km24.8 mpg US29.7 mpg UK | 6.2 L/100 km37.9 mpg US45.6 mpg UK |
| Cost / 100 km | 16.63 LC100 km | 10.85 LC100 km |
| Cost / 100 mi | 26.76 LC100 mi | 17.46 LC100 mi |
| Annual fuel used | 1,425 L376 US gal313 UK gal | 930 L246 US gal205 UK gal |
| Annual fuel cost | 2,494 LC/year | 1,628 LC/year |
Head-to-head comparisons
BMW 3 Series Compact (E46) 325ti
- Has 36 hp more
- Is 165 kg lighter
- Is 0.5 s quicker from 0-100 km/h
- Has 12 km/h (7 mph) higher top speed
- Has 37 hp/t better power-to-weight
Pros
- Quickest 0-100 km/h in this comparison
- Highest top speed
- Most powerful
- Lightest
- Best power-to-weight ratio
Cons
- Highest combined fuel consumption
- Smallest trunk
BMW 3 Series Touring (G21) 318i
- Has 5 Nm more
- Uses 3.3 L/100 km less fuel
- Has 288 km (179 mi) more estimated range
- Has 190 L more trunk volume
Pros
- Highest torque
- Lowest combined fuel consumption
- Best estimated range
- Largest trunk
Cons
- Slowest 0-100 km/h
- Lowest power
- Heaviest
- Lowest top speed
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