14 August. Friday 2026
Sommer Diesel 462 - 2013 Specifications and Reviews
The 2013 Sommer Diesel 462 is an unconventional allround motorcycle powered by a Hatz 1B40 diesel engine, appealing to riders seeking exceptional fuel efficiency and torquey low-end performance. Known for its unique diesel powerplant delivering 11 hp and strong 26.25 Nm torque, it prioritizes practicality and economy over speed, with a modest 99 km/h top speed.
General information | |
| Category | Allround |
| Year | 2013 |
| Model | Sommer Diesel 462 |
Engine and Transmission Specifications | |
| Greenhouse gases | 59.9 CO |
| Fuel consumption | 2.25 litres/100 km (44.4 km/l or 104.54 mpg) |
| Clutch | 5-plate in oil bath |
| Transmission type,final drive | Chain |
| Gearbox | 4-speed |
| Cooling system | Air |
| Fuel system | Injection |
| Valves per cylinder | 2 |
| Bore x stroke | 88.0 x 76.0 mm (3.5 x 3.0 inches) |
| Compression | 20.5:1 |
| Max RPM | 4000 |
| Top speed | 99.0 km/h (61.5 mph) |
| Torque | 26.25 Nm (2.7 kgf-m or 19.4 ft.lbs) @ 2000 |
| Power | 11.00 |
| Engine details | Hatz 1B40 engine |
| Engine type | Diesel |
| Capacity: | 462.00 ccm (28.19 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Stainless steel rims |
| Rear brakes diameter | 152 mm (6.0 inches) |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes diameter | 177 mm (7.0 inches) |
| Front brakes | Single disc. Optional drum brake |
| Rear tyre dimensions | 3.50-19 |
| Front tyre dimensions | 3.25-19 |
| Rear suspension travel | 120 mm (4.7 inches) |
| Rear suspension | Swing arm |
| Front suspension travel | 150 mm (5.9 inches) |
| Front suspension | Telescopi fork |
| Rake (fork angle) | 65.0° |
| Frame type | Steel tube |
| | |
Physical measures and capacities | |
| Fuel capacity | 13.50 litres (3.57 gallons) |
| Wheelbase | 1,400 mm (55.1 inches) |
| Seat height | 760 mm (29.9 inches) If adjustable, lowest setting. |
| Power/weight ratio | 0.0611 HP/kg |
| Dry weight | 180.0 kg (396.8 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Modified Royal Enfield bike. Diesel or Biodiesel. Sommer is a German brand. |
| Color options | Black, red, light blue, blue |
| Factory warranty | 2 year factory warranty |
| Electrical | Iskra 1 kW starter. Alternator 200W. |
| Starter | Electric |
Performance Profile & Rider Fit
11 hp
Peak Power
61.5 mph
Top Speed
Best For
Track2%
City30%
Cornering20%
Daily Riding35%
Touring20%
Passenger5%
Rider Profile
| Best For | This machine suits a patient, mechanically curious rider who values novelty and low running costs over performance, and is comfortable riding something with a top speed under 100 km/h. |
| Purpose | Built as a slow, ultra-efficient diesel-powered utility and curiosity bike rather than a performance or leisure machine, ideal for short-range practical use, demonstration, or fuel-frugal commuting. |
| Rider Fit | The single-seat layout, low 760mm seat height, and light dry weight of 165kg make it accessible to riders of varying size and experience, though the low power ceiling limits any physical demands to slow-speed handling. |
| Character | Quirky, thrifty, and mechanically distinctive, this diesel-engined oddity trades speed and excitement for remarkable fuel economy and low emissions, appealing to riders who enjoy unconventional engineering. |
| Not Ideal For | This is not the bike for anyone seeking spirited acceleration, sustained highway touring, passenger comfort, or aggressive cornering performance. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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